[INFO] fetching crate error-code 2.3.0...
[INFO] testing error-code-2.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate error-code 2.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate error-code 2.3.0 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 error-code 2.3.0
[INFO] finished tweaking crates.io crate error-code 2.3.0
[INFO] tweaked toml for crates.io crate error-code 2.3.0 written to /workspace/builds/worker-2/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d787d82194c2b615d7d6f8bc194049f1553acaf741bc0f4671ee3d6afc201145
[INFO] running `Command { std: "docker" "start" "-a" "d787d82194c2b615d7d6f8bc194049f1553acaf741bc0f4671ee3d6afc201145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d787d82194c2b615d7d6f8bc194049f1553acaf741bc0f4671ee3d6afc201145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d787d82194c2b615d7d6f8bc194049f1553acaf741bc0f4671ee3d6afc201145", kill_on_drop: false }`
[INFO] [stdout] d787d82194c2b615d7d6f8bc194049f1553acaf741bc0f4671ee3d6afc201145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f14e90049ec93dd4787c8c867b8d33c5f3ffb7628aa69744dd2a04efd0e9ef32
[INFO] running `Command { std: "docker" "start" "-a" "f14e90049ec93dd4787c8c867b8d33c5f3ffb7628aa69744dd2a04efd0e9ef32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling str-buf v1.0.5
[INFO] [stderr]    Compiling error-code v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "f14e90049ec93dd4787c8c867b8d33c5f3ffb7628aa69744dd2a04efd0e9ef32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14e90049ec93dd4787c8c867b8d33c5f3ffb7628aa69744dd2a04efd0e9ef32", kill_on_drop: false }`
[INFO] [stdout] f14e90049ec93dd4787c8c867b8d33c5f3ffb7628aa69744dd2a04efd0e9ef32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1efe76c6b9575b625aadbf884a9352ac64f5a13bafd8bceb38769d0922c7c824
[INFO] running `Command { std: "docker" "start" "-a" "1efe76c6b9575b625aadbf884a9352ac64f5a13bafd8bceb38769d0922c7c824", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-code v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1efe76c6b9575b625aadbf884a9352ac64f5a13bafd8bceb38769d0922c7c824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efe76c6b9575b625aadbf884a9352ac64f5a13bafd8bceb38769d0922c7c824", kill_on_drop: false }`
[INFO] [stdout] 1efe76c6b9575b625aadbf884a9352ac64f5a13bafd8bceb38769d0922c7c824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e0051e2dd3291977290601d837842ad91fe5ef85b9a6d87fd2812cba811367a9
[INFO] running `Command { std: "docker" "start" "-a" "e0051e2dd3291977290601d837842ad91fe5ef85b9a6d87fd2812cba811367a9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/error_code-cec0e16e1ca4ce5a)
[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]      Running tests/error_code.rs (/opt/rustwide/target/debug/deps/error_code-f0dd1e146783d450)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error-code
[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] running `Command { std: "docker" "inspect" "e0051e2dd3291977290601d837842ad91fe5ef85b9a6d87fd2812cba811367a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0051e2dd3291977290601d837842ad91fe5ef85b9a6d87fd2812cba811367a9", kill_on_drop: false }`
[INFO] [stdout] e0051e2dd3291977290601d837842ad91fe5ef85b9a6d87fd2812cba811367a9