[INFO] fetching crate openapi_utils 0.2.1...
[INFO] testing openapi_utils-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate openapi_utils 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate openapi_utils 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openapi_utils 0.2.1
[INFO] finished tweaking crates.io crate openapi_utils 0.2.1
[INFO] tweaked toml for crates.io crate openapi_utils 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openapiv3 v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61996bfec200bb00325e26bae942d0b72f88dc333d99d81ed71efb5db6d93097
[INFO] running `Command { std: "docker" "start" "-a" "61996bfec200bb00325e26bae942d0b72f88dc333d99d81ed71efb5db6d93097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61996bfec200bb00325e26bae942d0b72f88dc333d99d81ed71efb5db6d93097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61996bfec200bb00325e26bae942d0b72f88dc333d99d81ed71efb5db6d93097", kill_on_drop: false }`
[INFO] [stdout] 61996bfec200bb00325e26bae942d0b72f88dc333d99d81ed71efb5db6d93097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88deb4eb20db31947ca04be70b283d3d51a8e2fd1d5b124cb6268121ed25586a
[INFO] running `Command { std: "docker" "start" "-a" "88deb4eb20db31947ca04be70b283d3d51a8e2fd1d5b124cb6268121ed25586a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling openapiv3 v0.3.2
[INFO] [stderr]    Compiling openapi_utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "88deb4eb20db31947ca04be70b283d3d51a8e2fd1d5b124cb6268121ed25586a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88deb4eb20db31947ca04be70b283d3d51a8e2fd1d5b124cb6268121ed25586a", kill_on_drop: false }`
[INFO] [stdout] 88deb4eb20db31947ca04be70b283d3d51a8e2fd1d5b124cb6268121ed25586a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 915d64dbe42258b837876e6d9d787dab5e5613d94160dc390e45a50899045c8f
[INFO] running `Command { std: "docker" "start" "-a" "915d64dbe42258b837876e6d9d787dab5e5613d94160dc390e45a50899045c8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling openapi_utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "915d64dbe42258b837876e6d9d787dab5e5613d94160dc390e45a50899045c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915d64dbe42258b837876e6d9d787dab5e5613d94160dc390e45a50899045c8f", kill_on_drop: false }`
[INFO] [stdout] 915d64dbe42258b837876e6d9d787dab5e5613d94160dc390e45a50899045c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b0905b517d0e26f8ba4ea5bb15b2da621ef13540bef862a351870414eba387b
[INFO] running `Command { std: "docker" "start" "-a" "2b0905b517d0e26f8ba4ea5bb15b2da621ef13540bef862a351870414eba387b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/openapi_utils-e75f35e4e59b8695)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests openapi_utils
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/reference.rs - reference::ReferenceOr<T>::to_item_ref (line 62) ... FAILED
[INFO] [stdout] test src/dereferer.rs - dereferer::SpecExt::deref_all (line 25) ... FAILED
[INFO] [stdout] test src/reference.rs - reference::ReferenceOr<T>::to_item (line 47) ... FAILED
[INFO] [stdout] test src/reference.rs - reference::ReferenceOr<T>::to_item_mut (line 77) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/reference.rs - reference::ReferenceOr<T>::to_item_ref (line 62) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ReferenceOr`
[INFO] [stdout]  --> src/reference.rs:63:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let item = ReferenceOr::Item(3);
[INFO] [stdout]   |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 | use openapiv3::ReferenceOr;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_item_ref` in this scope
[INFO] [stdout]  --> src/reference.rs:64:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(to_item_ref(&item), &3);
[INFO] [stdout]   |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/dereferer.rs - dereferer::SpecExt::deref_all (line 25) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_yaml`
[INFO] [stdout]  --> src/dereferer.rs:27:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let deser = serde_yaml::from_str(&data).expect("Could not deserialize file as OpenAPI v3.0");
[INFO] [stdout]   |               ^^^^^^^^^^ use of undeclared crate or module `serde_yaml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `spec`
[INFO] [stdout]  --> src/dereferer.rs:28:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let spec = spec::read(&deser).deref_all();
[INFO] [stdout]   |              ^^^^ use of undeclared crate or module `spec`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `filename` in this scope
[INFO] [stdout]  --> src/dereferer.rs:26:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | let data = std::fs::read_to_string(filename).expect("OpenAPI file could not be read.");
[INFO] [stdout]   |                                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/reference.rs - reference::ReferenceOr<T>::to_item (line 47) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ReferenceOr`
[INFO] [stdout]  --> src/reference.rs:48:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let item = ReferenceOr::Item(3);
[INFO] [stdout]   |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 | use openapiv3::ReferenceOr;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_item` in this scope
[INFO] [stdout]  --> src/reference.rs:49:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(to_item(item), 3);
[INFO] [stdout]   |            ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/reference.rs - reference::ReferenceOr<T>::to_item_mut (line 77) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ReferenceOr`
[INFO] [stdout]  --> src/reference.rs:78:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut item = ReferenceOr::Item(3);
[INFO] [stdout]   |                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 | use openapiv3::ReferenceOr;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_item_mut` in this scope
[INFO] [stdout]  --> src/reference.rs:79:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(to_item_mut(&mut item), &3);
[INFO] [stdout]   |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/dereferer.rs - dereferer::SpecExt::deref_all (line 25)
[INFO] [stdout]     src/reference.rs - reference::ReferenceOr<T>::to_item (line 47)
[INFO] [stdout]     src/reference.rs - reference::ReferenceOr<T>::to_item_mut (line 77)
[INFO] [stdout]     src/reference.rs - reference::ReferenceOr<T>::to_item_ref (line 62)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "2b0905b517d0e26f8ba4ea5bb15b2da621ef13540bef862a351870414eba387b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0905b517d0e26f8ba4ea5bb15b2da621ef13540bef862a351870414eba387b", kill_on_drop: false }`
[INFO] [stdout] 2b0905b517d0e26f8ba4ea5bb15b2da621ef13540bef862a351870414eba387b