[INFO] fetching crate shoulda 0.1.12...
[INFO] testing shoulda-0.1.12 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shoulda 0.1.12 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate shoulda 0.1.12 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 shoulda 0.1.12
[INFO] finished tweaking crates.io crate shoulda 0.1.12
[INFO] tweaked toml for crates.io crate shoulda 0.1.12 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b21ca8a87f5bf0938faa0186b033084ed21e8eb29eef947d3ea49ac7e79dc06f
[INFO] running `Command { std: "docker" "start" "-a" "b21ca8a87f5bf0938faa0186b033084ed21e8eb29eef947d3ea49ac7e79dc06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b21ca8a87f5bf0938faa0186b033084ed21e8eb29eef947d3ea49ac7e79dc06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21ca8a87f5bf0938faa0186b033084ed21e8eb29eef947d3ea49ac7e79dc06f", kill_on_drop: false }`
[INFO] [stdout] b21ca8a87f5bf0938faa0186b033084ed21e8eb29eef947d3ea49ac7e79dc06f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ad95afe653b65e52c6d344161ef6966aad6cad64d2dacb83a556d691b3987ebd
[INFO] running `Command { std: "docker" "start" "-a" "ad95afe653b65e52c6d344161ef6966aad6cad64d2dacb83a556d691b3987ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling rustfmt v0.10.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling const_env_impl v0.1.2
[INFO] [stderr]    Compiling strings v0.1.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling const_env v0.1.2
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling shoulda_core v0.1.12
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling shoulda_macro v0.1.12
[INFO] [stderr]    Compiling shoulda v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.99s
[INFO] running `Command { std: "docker" "inspect" "ad95afe653b65e52c6d344161ef6966aad6cad64d2dacb83a556d691b3987ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad95afe653b65e52c6d344161ef6966aad6cad64d2dacb83a556d691b3987ebd", kill_on_drop: false }`
[INFO] [stdout] ad95afe653b65e52c6d344161ef6966aad6cad64d2dacb83a556d691b3987ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 07d21d81a5d1019a98ac7b698b7f31b04a99d2393d9201cfdeae0d77afede73d
[INFO] running `Command { std: "docker" "start" "-a" "07d21d81a5d1019a98ac7b698b7f31b04a99d2393d9201cfdeae0d77afede73d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shoulda v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "07d21d81a5d1019a98ac7b698b7f31b04a99d2393d9201cfdeae0d77afede73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d21d81a5d1019a98ac7b698b7f31b04a99d2393d9201cfdeae0d77afede73d", kill_on_drop: false }`
[INFO] [stdout] 07d21d81a5d1019a98ac7b698b7f31b04a99d2393d9201cfdeae0d77afede73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6e73bcd1ec6ab50e0ea63f98d3853df28b2bb0953a0315d6586964cd561b5292
[INFO] running `Command { std: "docker" "start" "-a" "6e73bcd1ec6ab50e0ea63f98d3853df28b2bb0953a0315d6586964cd561b5292", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shoulda-31590207498e7781)
[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 shoulda
[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" "6e73bcd1ec6ab50e0ea63f98d3853df28b2bb0953a0315d6586964cd561b5292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e73bcd1ec6ab50e0ea63f98d3853df28b2bb0953a0315d6586964cd561b5292", kill_on_drop: false }`
[INFO] [stdout] 6e73bcd1ec6ab50e0ea63f98d3853df28b2bb0953a0315d6586964cd561b5292