[INFO] fetching crate shoulda_core 0.1.12...
[INFO] testing shoulda_core-0.1.12 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate shoulda_core 0.1.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate shoulda_core 0.1.12 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.1
[INFO] [stderr]   Downloaded const_env_impl v0.1.2
[INFO] [stderr]   Downloaded const_env v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 378b4fe006f218bd33f9bb8c48606a40143f81b352473f94a794a1a3be868cfa
[INFO] running `Command { std: "docker" "start" "-a" "378b4fe006f218bd33f9bb8c48606a40143f81b352473f94a794a1a3be868cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378b4fe006f218bd33f9bb8c48606a40143f81b352473f94a794a1a3be868cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378b4fe006f218bd33f9bb8c48606a40143f81b352473f94a794a1a3be868cfa", kill_on_drop: false }`
[INFO] [stdout] 378b4fe006f218bd33f9bb8c48606a40143f81b352473f94a794a1a3be868cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7d577ade5c22cd63451d138c83f13c4323038cabbb51bf3103cdfbfbfcf22c
[INFO] running `Command { std: "docker" "start" "-a" "dc7d577ade5c22cd63451d138c83f13c4323038cabbb51bf3103cdfbfbfcf22c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[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 23.86s
[INFO] running `Command { std: "docker" "inspect" "dc7d577ade5c22cd63451d138c83f13c4323038cabbb51bf3103cdfbfbfcf22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7d577ade5c22cd63451d138c83f13c4323038cabbb51bf3103cdfbfbfcf22c", kill_on_drop: false }`
[INFO] [stdout] dc7d577ade5c22cd63451d138c83f13c4323038cabbb51bf3103cdfbfbfcf22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abb0c4be2f9a50c43856c74f84ae77c2e35edcaed7d775e3733422823320a025
[INFO] running `Command { std: "docker" "start" "-a" "abb0c4be2f9a50c43856c74f84ae77c2e35edcaed7d775e3733422823320a025", kill_on_drop: false }`
[INFO] [stderr]    Compiling shoulda_core v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "abb0c4be2f9a50c43856c74f84ae77c2e35edcaed7d775e3733422823320a025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb0c4be2f9a50c43856c74f84ae77c2e35edcaed7d775e3733422823320a025", kill_on_drop: false }`
[INFO] [stdout] abb0c4be2f9a50c43856c74f84ae77c2e35edcaed7d775e3733422823320a025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2791e3181c37d0e9ba9cb01d78ed5bf6ea29db2dbd5b7a7025af5d49060562a7
[INFO] running `Command { std: "docker" "start" "-a" "2791e3181c37d0e9ba9cb01d78ed5bf6ea29db2dbd5b7a7025af5d49060562a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shoulda_core-19494d886b4b5105)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test specifics::iter::tests::should_contain_sequence ... ok
[INFO] [stdout] test specifics::iter::tests::should_contain ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contain ... ok
[INFO] [stdout] test specifics::iter::tests::should_contains ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contains ... ok
[INFO] [stdout] test specifics::iter::tests::should_not_contain_sequence ... 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::panic_catching ... ok
[INFO] [stdout] test tests::or_operation ... ok
[INFO] [stdout] test tests::should_panic_on_fail ... ok
[INFO] [stdout] test tests::vec_cow_i32 ... ok
[INFO] [stdout] test tests::vec_cow_str ... ok
[INFO] [stdout] test tests::tuples ... ok
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "2791e3181c37d0e9ba9cb01d78ed5bf6ea29db2dbd5b7a7025af5d49060562a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2791e3181c37d0e9ba9cb01d78ed5bf6ea29db2dbd5b7a7025af5d49060562a7", kill_on_drop: false }`
[INFO] [stdout] 2791e3181c37d0e9ba9cb01d78ed5bf6ea29db2dbd5b7a7025af5d49060562a7