[INFO] fetching crate cowvec 0.1.2...
[INFO] testing cowvec-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate cowvec 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cowvec 0.1.2 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 cowvec 0.1.2
[INFO] finished tweaking crates.io crate cowvec 0.1.2
[INFO] tweaked toml for crates.io crate cowvec 0.1.2 written to /workspace/builds/worker-11/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2faafe330e607523a893e48c12dc0fafd0adc87bf95ca335ab6f441a4b0ae45a
[INFO] running `Command { std: "docker" "start" "-a" "2faafe330e607523a893e48c12dc0fafd0adc87bf95ca335ab6f441a4b0ae45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2faafe330e607523a893e48c12dc0fafd0adc87bf95ca335ab6f441a4b0ae45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2faafe330e607523a893e48c12dc0fafd0adc87bf95ca335ab6f441a4b0ae45a", kill_on_drop: false }`
[INFO] [stdout] 2faafe330e607523a893e48c12dc0fafd0adc87bf95ca335ab6f441a4b0ae45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 6982fa4d89413cdff32d071ec3500c6deeff238a1aec5769371acbafd2d4f47c
[INFO] running `Command { std: "docker" "start" "-a" "6982fa4d89413cdff32d071ec3500c6deeff238a1aec5769371acbafd2d4f47c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cowvec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6982fa4d89413cdff32d071ec3500c6deeff238a1aec5769371acbafd2d4f47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6982fa4d89413cdff32d071ec3500c6deeff238a1aec5769371acbafd2d4f47c", kill_on_drop: false }`
[INFO] [stdout] 6982fa4d89413cdff32d071ec3500c6deeff238a1aec5769371acbafd2d4f47c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f236b62f0f60c1f910a6c300ecd06e8a8eab26d6e0d8daa3f962864c2debdfe8
[INFO] running `Command { std: "docker" "start" "-a" "f236b62f0f60c1f910a6c300ecd06e8a8eab26d6e0d8daa3f962864c2debdfe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cowvec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "f236b62f0f60c1f910a6c300ecd06e8a8eab26d6e0d8daa3f962864c2debdfe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f236b62f0f60c1f910a6c300ecd06e8a8eab26d6e0d8daa3f962864c2debdfe8", kill_on_drop: false }`
[INFO] [stdout] f236b62f0f60c1f910a6c300ecd06e8a8eab26d6e0d8daa3f962864c2debdfe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] dbc4522ee173714cc1d3adfaa14cc1d382233950e910b96195def5965704fdc8
[INFO] running `Command { std: "docker" "start" "-a" "dbc4522ee173714cc1d3adfaa14cc1d382233950e910b96195def5965704fdc8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cowvec-a1936d928a2793e3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::borrowed ... ok
[INFO] [stdout] test tests::borrowed_str ... ok
[INFO] [stdout] test tests::owned ... ok
[INFO] [stdout] test tests::owned_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cowvec
[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" "dbc4522ee173714cc1d3adfaa14cc1d382233950e910b96195def5965704fdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc4522ee173714cc1d3adfaa14cc1d382233950e910b96195def5965704fdc8", kill_on_drop: false }`
[INFO] [stdout] dbc4522ee173714cc1d3adfaa14cc1d382233950e910b96195def5965704fdc8