[INFO] fetching crate shoulda_core 0.1.12...
[INFO] testing shoulda_core-0.1.12 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shoulda_core 0.1.12 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shoulda_core 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_core 0.1.12
[INFO] finished tweaking crates.io crate shoulda_core 0.1.12
[INFO] tweaked toml for crates.io crate shoulda_core 0.1.12 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9d8ffd6f8eb0f336cfb4d04890aa9dc3cb518d1cb45aa0c72a87bf4b2c67f314
[INFO] running `Command { std: "docker" "start" "-a" "9d8ffd6f8eb0f336cfb4d04890aa9dc3cb518d1cb45aa0c72a87bf4b2c67f314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8ffd6f8eb0f336cfb4d04890aa9dc3cb518d1cb45aa0c72a87bf4b2c67f314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8ffd6f8eb0f336cfb4d04890aa9dc3cb518d1cb45aa0c72a87bf4b2c67f314", kill_on_drop: false }`
[INFO] [stdout] 9d8ffd6f8eb0f336cfb4d04890aa9dc3cb518d1cb45aa0c72a87bf4b2c67f314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2b9578cf19bed2fb66cc886ed2a520a6bf8e872a7bf9476f2c5d84907cf0e6ee
[INFO] running `Command { std: "docker" "start" "-a" "2b9578cf19bed2fb66cc886ed2a520a6bf8e872a7bf9476f2c5d84907cf0e6ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling const_env_impl v0.1.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling const_env v0.1.2
[INFO] [stderr]    Compiling shoulda_core v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.24s
[INFO] running `Command { std: "docker" "inspect" "2b9578cf19bed2fb66cc886ed2a520a6bf8e872a7bf9476f2c5d84907cf0e6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9578cf19bed2fb66cc886ed2a520a6bf8e872a7bf9476f2c5d84907cf0e6ee", kill_on_drop: false }`
[INFO] [stdout] 2b9578cf19bed2fb66cc886ed2a520a6bf8e872a7bf9476f2c5d84907cf0e6ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a1978f859812641e2cacbb3e9ba1fb3dd792ff2ca4d3d3e0a73e0f4908c3f6f5
[INFO] running `Command { std: "docker" "start" "-a" "a1978f859812641e2cacbb3e9ba1fb3dd792ff2ca4d3d3e0a73e0f4908c3f6f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling shoulda_core v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "a1978f859812641e2cacbb3e9ba1fb3dd792ff2ca4d3d3e0a73e0f4908c3f6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1978f859812641e2cacbb3e9ba1fb3dd792ff2ca4d3d3e0a73e0f4908c3f6f5", kill_on_drop: false }`
[INFO] [stdout] a1978f859812641e2cacbb3e9ba1fb3dd792ff2ca4d3d3e0a73e0f4908c3f6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dd632132e5c09745810e768806254ab33361853fbe716a7d4de07b6c648f886b
[INFO] running `Command { std: "docker" "start" "-a" "dd632132e5c09745810e768806254ab33361853fbe716a7d4de07b6c648f886b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shoulda_core-abaebd8b4d142cf5)
[INFO] [stdout] running 16 tests
[INFO] [stdout] test specifics::iter::tests::should_contain ... ok
[INFO] [stdout] test specifics::iter::tests::should_contain_sequence ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contain ... ok
[INFO] [stdout] test specifics::iter::tests::should_contains ... ok
[INFO] [stdout] test tests::tuples ... ok
[INFO] [stdout] test tests::vec_cow_i32 ... ok
[INFO] [stdout] test tests::float_diff_changes ... ok
[INFO] [stdout] test tests::panic_catching ... ok
[INFO] [stdout] test tests::should_panic_on_fail ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contains ... ok
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] test tests::of_type ... ok
[INFO] [stdout] test tests::or_operation ... ok
[INFO] [stdout] test tests::operation_order_dependent ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contain_sequence ... ok
[INFO] [stderr]    Doc-tests shoulda_core
[INFO] [stdout] test tests::vec_cow_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[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" "dd632132e5c09745810e768806254ab33361853fbe716a7d4de07b6c648f886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd632132e5c09745810e768806254ab33361853fbe716a7d4de07b6c648f886b", kill_on_drop: false }`
[INFO] [stdout] dd632132e5c09745810e768806254ab33361853fbe716a7d4de07b6c648f886b