[INFO] fetching crate shoulda_core 0.1.12...
[INFO] testing shoulda_core-0.1.12 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate shoulda_core 0.1.12 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate shoulda_core 0.1.12 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63950539b9e781f07f72036a14ef7456a08e6a0edfbc95f542f7d760c47adc2d
[INFO] running `Command { std: "docker" "start" "-a" "63950539b9e781f07f72036a14ef7456a08e6a0edfbc95f542f7d760c47adc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63950539b9e781f07f72036a14ef7456a08e6a0edfbc95f542f7d760c47adc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63950539b9e781f07f72036a14ef7456a08e6a0edfbc95f542f7d760c47adc2d", kill_on_drop: false }`
[INFO] [stdout] 63950539b9e781f07f72036a14ef7456a08e6a0edfbc95f542f7d760c47adc2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8014ea1d566c605d08fb8245bde50502e751640c975837f05ccc98ae24ff712b
[INFO] running `Command { std: "docker" "start" "-a" "8014ea1d566c605d08fb8245bde50502e751640c975837f05ccc98ae24ff712b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling const_env_impl v0.1.2
[INFO] [stderr]    Compiling const_env v0.1.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling shoulda_core v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.37s
[INFO] running `Command { std: "docker" "inspect" "8014ea1d566c605d08fb8245bde50502e751640c975837f05ccc98ae24ff712b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8014ea1d566c605d08fb8245bde50502e751640c975837f05ccc98ae24ff712b", kill_on_drop: false }`
[INFO] [stdout] 8014ea1d566c605d08fb8245bde50502e751640c975837f05ccc98ae24ff712b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0218a873202d60ffa65f6f1a7da95ec49294edc05315364ffed38745963a8b3a
[INFO] running `Command { std: "docker" "start" "-a" "0218a873202d60ffa65f6f1a7da95ec49294edc05315364ffed38745963a8b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling shoulda_core v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "0218a873202d60ffa65f6f1a7da95ec49294edc05315364ffed38745963a8b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0218a873202d60ffa65f6f1a7da95ec49294edc05315364ffed38745963a8b3a", kill_on_drop: false }`
[INFO] [stdout] 0218a873202d60ffa65f6f1a7da95ec49294edc05315364ffed38745963a8b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69432c104625fa0f554b5939aa010d448378a13578c271fa8e87b1c5ee6ff06d
[INFO] running `Command { std: "docker" "start" "-a" "69432c104625fa0f554b5939aa010d448378a13578c271fa8e87b1c5ee6ff06d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shoulda_core-41ff111c59893826)
[INFO] [stdout] 
[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_contains ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contain ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contain_sequence ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contains ... ok
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] test tests::float_diff_changes ... ok
[INFO] [stdout] test tests::of_type ... ok
[INFO] [stdout] test tests::operation_order_dependent ... ok
[INFO] [stdout] test tests::or_operation ... ok
[INFO] [stdout] test tests::panic_catching ... ok
[INFO] [stdout] test tests::should_panic_on_fail ... ok
[INFO] [stdout] test tests::tuples ... ok
[INFO] [stdout] test tests::vec_cow_i32 ... ok
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shoulda_core
[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" "69432c104625fa0f554b5939aa010d448378a13578c271fa8e87b1c5ee6ff06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69432c104625fa0f554b5939aa010d448378a13578c271fa8e87b1c5ee6ff06d", kill_on_drop: false }`
[INFO] [stdout] 69432c104625fa0f554b5939aa010d448378a13578c271fa8e87b1c5ee6ff06d