[INFO] fetching crate corroder 0.1.0...
[INFO] testing corroder-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate corroder 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate corroder 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate corroder 0.1.0
[INFO] finished tweaking crates.io crate corroder 0.1.0
[INFO] tweaked toml for crates.io crate corroder 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a1ef4a963fb60c02e97f23c314eb87d69f8206eabacce114c3d7220dfd66708
[INFO] running `Command { std: "docker" "start" "-a" "4a1ef4a963fb60c02e97f23c314eb87d69f8206eabacce114c3d7220dfd66708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a1ef4a963fb60c02e97f23c314eb87d69f8206eabacce114c3d7220dfd66708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1ef4a963fb60c02e97f23c314eb87d69f8206eabacce114c3d7220dfd66708", kill_on_drop: false }`
[INFO] [stdout] 4a1ef4a963fb60c02e97f23c314eb87d69f8206eabacce114c3d7220dfd66708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e37784287ec5352fe14000479521eb8dce053d65392e440b4149fecef5536f3b
[INFO] running `Command { std: "docker" "start" "-a" "e37784287ec5352fe14000479521eb8dce053d65392e440b4149fecef5536f3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_ne v0.2.5
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling assert_approx_eq v0.2.2
[INFO] [stderr]    Compiling corroder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "e37784287ec5352fe14000479521eb8dce053d65392e440b4149fecef5536f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37784287ec5352fe14000479521eb8dce053d65392e440b4149fecef5536f3b", kill_on_drop: false }`
[INFO] [stdout] e37784287ec5352fe14000479521eb8dce053d65392e440b4149fecef5536f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be25e043ea943189b5cde95df598c2fb710ef34bdf11336136eb10a36757f731
[INFO] running `Command { std: "docker" "start" "-a" "be25e043ea943189b5cde95df598c2fb710ef34bdf11336136eb10a36757f731", kill_on_drop: false }`
[INFO] [stderr]    Compiling corroder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "be25e043ea943189b5cde95df598c2fb710ef34bdf11336136eb10a36757f731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be25e043ea943189b5cde95df598c2fb710ef34bdf11336136eb10a36757f731", kill_on_drop: false }`
[INFO] [stdout] be25e043ea943189b5cde95df598c2fb710ef34bdf11336136eb10a36757f731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19fcd48fe0944b32e93e49b02ba5450d75e97df2ca04af2718dc4dc2c376f02e
[INFO] running `Command { std: "docker" "start" "-a" "19fcd48fe0944b32e93e49b02ba5450d75e97df2ca04af2718dc4dc2c376f02e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/corroder-7fa212500a9784b2)
[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 corroder
[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" "19fcd48fe0944b32e93e49b02ba5450d75e97df2ca04af2718dc4dc2c376f02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fcd48fe0944b32e93e49b02ba5450d75e97df2ca04af2718dc4dc2c376f02e", kill_on_drop: false }`
[INFO] [stdout] 19fcd48fe0944b32e93e49b02ba5450d75e97df2ca04af2718dc4dc2c376f02e