TestHostAliasesBasic: === RUN TestHostAliasesBasic DEBUG fronted: fronted_test.go:573 Waiting for origin server at 127.0.0.1:37707... DEBUG fronted: fronted_test.go:577 Started cloudsack.biz CDN 2025/01/24 18:00:08 http: TLS handshake error from 127.0.0.1:49808: EOF DEBUG fronted: fronted.go:98 Creating new fronted ERROR fronted: fronted.go:626 Failed to create gzip reader gzip: invalid header [error=Failed to create gzip reader %v error_location=github.com/getlantern/fronted.processYaml (fronted.go:626) error_text=Failed to create gzip reader gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.processYaml (fronted.go:626) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:218) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.TestHostAliasesBasic (fronted_test.go:245) ERROR fronted: fronted.go:626 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:626 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:626 Caused by: gzip: invalid header ERROR fronted: fronted.go:220 Failed to process fronted config: failed to create gzip reader: gzip: invalid header [error=Failed to process fronted config: %v error_location=github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) error_text=Failed to process fronted config: failed to create gzip reader: gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.TestHostAliasesBasic (fronted_test.go:245) ERROR fronted: fronted.go:220 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:220 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:220 Caused by: failed to create gzip reader: gzip: invalid header ERROR fronted: fronted.go:220 Caused by: gzip: invalid header DEBUG fronted: fronted.go:173 No config URL provided -- not updating fronting configuration DEBUG fronted: fronted.go:231 Updating fronted configuration DEBUG fronted: fronted.go:546 Loading candidates for 1 providers DEBUG fronted: fronted.go:578 Finished loading candidates DEBUG fronted: fronted.go:261 findWorkingFronts::Trying all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37707 in 13.177594ms DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: POST /ping HTTP/1.1 Host: ttt.cloudsack.biz Accept-Encoding: gzip Connection: close Content-Length: 1 Content-Type: application/json User-Agent: Go-http-client/1.1 a DEBUG fronted: fronted_test.go:549 accepting request host=ttt.cloudsack.biz ff= DEBUG fronted: fronted.go:354 Successfully vetted one masquerade 127.0.0.1:37707 DEBUG fronted: fronted.go:263 findWorkingFronts::Tried all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37707 in 12.108783ms DEBUG fronted: connected_roundtripper.go:48 Translated origin abc.forbidden.com -> abc.cloudsack.biz for provider cloudsack... [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: GET /foo/bar HTTP/1.1 Host: abc.cloudsack.biz Accept-Encoding: gzip Connection: close User-Agent: Go-http-client/1.1 X-Bar-Foo: XYZ X-Foo-Bar: Quux X-Foo-Bar: Baz X-Quux: DEBUG fronted: fronted_test.go:549 accepting request host=abc.cloudsack.biz ff= DEBUG fronted: connected_roundtripper.go:76 Request completed successfully [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted.go:406 Returning connection for front

TestPassthrough: === RUN TestPassthrough DEBUG fronted: fronted_test.go:573 Waiting for origin server at 127.0.0.1:37561... DEBUG fronted: fronted_test.go:577 Started cloudsack.biz CDN 2025/01/24 18:00:08 http: TLS handshake error from 127.0.0.1:53014: EOF DEBUG fronted: fronted.go:98 Creating new fronted ERROR fronted: fronted.go:626 Failed to create gzip reader gzip: invalid header [error=Failed to create gzip reader %v error_location=github.com/getlantern/fronted.processYaml (fronted.go:626) error_text=Failed to create gzip reader gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.processYaml (fronted.go:626) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:218) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.TestPassthrough (fronted_test.go:480) ERROR fronted: fronted.go:626 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:626 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:626 Caused by: gzip: invalid header ERROR fronted: fronted.go:220 Failed to process fronted config: failed to create gzip reader: gzip: invalid header [error=Failed to process fronted config: %v error_location=github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) error_text=Failed to process fronted config: failed to create gzip reader: gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.TestPassthrough (fronted_test.go:480) ERROR fronted: fronted.go:220 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:220 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:220 Caused by: failed to create gzip reader: gzip: invalid header ERROR fronted: fronted.go:220 Caused by: gzip: invalid header DEBUG fronted: fronted.go:173 No config URL provided -- not updating fronting configuration DEBUG fronted: fronted.go:231 Updating fronted configuration DEBUG fronted: fronted.go:546 Loading candidates for 1 providers DEBUG fronted: fronted.go:578 Finished loading candidates DEBUG fronted: fronted.go:261 findWorkingFronts::Trying all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37561 in 12.144794ms DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: POST /ping HTTP/1.1 Host: ttt.cloudsack.biz Accept-Encoding: gzip Connection: close Content-Length: 1 Content-Type: application/json User-Agent: Go-http-client/1.1 a DEBUG fronted: fronted_test.go:549 accepting request host=ttt.cloudsack.biz ff= DEBUG fronted: fronted.go:354 Successfully vetted one masquerade 127.0.0.1:37561 DEBUG fronted: fronted.go:263 findWorkingFronts::Tried all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37561 in 12.085743ms DEBUG fronted: connected_roundtripper.go:48 Translated origin fff.ok.cloudsack.biz -> fff.ok.cloudsack.biz for provider cloudsack... [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: GET /foo HTTP/1.1 Host: fff.ok.cloudsack.biz Accept-Encoding: gzip Connection: close User-Agent: Go-http-client/1.1 X-Bar-Foo: XYZ X-Foo-Bar: Quux X-Foo-Bar: Baz X-Quux: DEBUG fronted: fronted_test.go:549 accepting request host=fff.ok.cloudsack.biz ff= DEBUG fronted: connected_roundtripper.go:76 Request completed successfully [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:3

TestHostAliasesBasic: === RUN TestHostAliasesBasic DEBUG fronted: fronted_test.go:573 Waiting for origin server at 127.0.0.1:37707... DEBUG fronted: fronted_test.go:577 Started cloudsack.biz CDN 2025/01/24 18:00:08 http: TLS handshake error from 127.0.0.1:49808: EOF DEBUG fronted: fronted.go:98 Creating new fronted ERROR fronted: fronted.go:626 Failed to create gzip reader gzip: invalid header [error=Failed to create gzip reader %v error_location=github.com/getlantern/fronted.processYaml (fronted.go:626) error_text=Failed to create gzip reader gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.processYaml (fronted.go:626) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:218) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.TestHostAliasesBasic (fronted_test.go:245) ERROR fronted: fronted.go:626 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:626 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:626 Caused by: gzip: invalid header ERROR fronted: fronted.go:220 Failed to process fronted config: failed to create gzip reader: gzip: invalid header [error=Failed to process fronted config: %v error_location=github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) error_text=Failed to process fronted config: failed to create gzip reader: gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.TestHostAliasesBasic (fronted_test.go:245) ERROR fronted: fronted.go:220 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:220 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:220 Caused by: failed to create gzip reader: gzip: invalid header ERROR fronted: fronted.go:220 Caused by: gzip: invalid header DEBUG fronted: fronted.go:173 No config URL provided -- not updating fronting configuration DEBUG fronted: fronted.go:231 Updating fronted configuration DEBUG fronted: fronted.go:546 Loading candidates for 1 providers DEBUG fronted: fronted.go:578 Finished loading candidates DEBUG fronted: fronted.go:261 findWorkingFronts::Trying all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37707 in 13.177594ms DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: POST /ping HTTP/1.1 Host: ttt.cloudsack.biz Accept-Encoding: gzip Connection: close Content-Length: 1 Content-Type: application/json User-Agent: Go-http-client/1.1 a DEBUG fronted: fronted_test.go:549 accepting request host=ttt.cloudsack.biz ff= DEBUG fronted: fronted.go:354 Successfully vetted one masquerade 127.0.0.1:37707 DEBUG fronted: fronted.go:263 findWorkingFronts::Tried all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37707 in 12.108783ms DEBUG fronted: connected_roundtripper.go:48 Translated origin abc.forbidden.com -> abc.cloudsack.biz for provider cloudsack... [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: GET /foo/bar HTTP/1.1 Host: abc.cloudsack.biz Accept-Encoding: gzip Connection: close User-Agent: Go-http-client/1.1 X-Bar-Foo: XYZ X-Foo-Bar: Quux X-Foo-Bar: Baz X-Quux: DEBUG fronted: fronted_test.go:549 accepting request host=abc.cloudsack.biz ff= DEBUG fronted: connected_roundtripper.go:76 Request completed successfully [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted.go:406 Returning connection for front

TestPassthrough: === RUN TestPassthrough DEBUG fronted: fronted_test.go:573 Waiting for origin server at 127.0.0.1:37561... DEBUG fronted: fronted_test.go:577 Started cloudsack.biz CDN 2025/01/24 18:00:08 http: TLS handshake error from 127.0.0.1:53014: EOF DEBUG fronted: fronted.go:98 Creating new fronted ERROR fronted: fronted.go:626 Failed to create gzip reader gzip: invalid header [error=Failed to create gzip reader %v error_location=github.com/getlantern/fronted.processYaml (fronted.go:626) error_text=Failed to create gzip reader gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.processYaml (fronted.go:626) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:218) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:626 at github.com/getlantern/fronted.TestPassthrough (fronted_test.go:480) ERROR fronted: fronted.go:626 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:626 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:626 Caused by: gzip: invalid header ERROR fronted: fronted.go:220 Failed to process fronted config: failed to create gzip reader: gzip: invalid header [error=Failed to process fronted config: %v error_location=github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) error_text=Failed to process fronted config: failed to create gzip reader: gzip: invalid header error_type=errors.Error] ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).onNewFrontsConfig (fronted.go:220) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.(*fronted).readFrontsFromEmbeddedConfig (fronted.go:214) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.NewFronted (fronted.go:123) ERROR fronted: fronted.go:220 at github.com/getlantern/fronted.TestPassthrough (fronted_test.go:480) ERROR fronted: fronted.go:220 at testing.tRunner (testing.go:1689) ERROR fronted: fronted.go:220 at runtime.goexit (asm_amd64.s:1695) ERROR fronted: fronted.go:220 Caused by: failed to create gzip reader: gzip: invalid header ERROR fronted: fronted.go:220 Caused by: gzip: invalid header DEBUG fronted: fronted.go:173 No config URL provided -- not updating fronting configuration DEBUG fronted: fronted.go:231 Updating fronted configuration DEBUG fronted: fronted.go:546 Loading candidates for 1 providers DEBUG fronted: fronted.go:578 Finished loading candidates DEBUG fronted: fronted.go:261 findWorkingFronts::Trying all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37561 in 12.144794ms DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: POST /ping HTTP/1.1 Host: ttt.cloudsack.biz Accept-Encoding: gzip Connection: close Content-Length: 1 Content-Type: application/json User-Agent: Go-http-client/1.1 a DEBUG fronted: fronted_test.go:549 accepting request host=ttt.cloudsack.biz ff= DEBUG fronted: fronted.go:354 Successfully vetted one masquerade 127.0.0.1:37561 DEBUG fronted: fronted.go:263 findWorkingFronts::Tried all fronts DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:37561 in 12.085743ms DEBUG fronted: connected_roundtripper.go:48 Translated origin fff.ok.cloudsack.biz -> fff.ok.cloudsack.biz for provider cloudsack... [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted_test.go:542 (cloudsack.biz) CDN Request: GET /foo HTTP/1.1 Host: fff.ok.cloudsack.biz Accept-Encoding: gzip Connection: close User-Agent: Go-http-client/1.1 X-Bar-Foo: XYZ X-Foo-Bar: Quux X-Foo-Bar: Baz X-Quux: DEBUG fronted: fronted_test.go:549 accepting request host=fff.ok.cloudsack.biz ff= DEBUG fronted: connected_roundtripper.go:76 Request completed successfully [op=fronted_request root_op=fronted_request] DEBUG fronted: fronted.go:406 Returning connection for front 127.0.0.1:3

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636