[INFO] fetching crate monoid 0.0.5...
[INFO] testing monoid-0.0.5 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate monoid 0.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate monoid 0.0.5 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monoid 0.0.5
[INFO] finished tweaking crates.io crate monoid 0.0.5
[INFO] tweaked toml for crates.io crate monoid 0.0.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acf86d7ffa26bb5cdd9cd9ccc0eaf4c006bc8a69b2617ced536f031092719b6b
[INFO] running `Command { std: "docker" "start" "-a" "acf86d7ffa26bb5cdd9cd9ccc0eaf4c006bc8a69b2617ced536f031092719b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf86d7ffa26bb5cdd9cd9ccc0eaf4c006bc8a69b2617ced536f031092719b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf86d7ffa26bb5cdd9cd9ccc0eaf4c006bc8a69b2617ced536f031092719b6b", kill_on_drop: false }`
[INFO] [stdout] acf86d7ffa26bb5cdd9cd9ccc0eaf4c006bc8a69b2617ced536f031092719b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf2b3f880556be9a8ba36b00bf17d28904eccb8b3dfecd2abcc47e1d41dd3e6
[INFO] running `Command { std: "docker" "start" "-a" "0bf2b3f880556be9a8ba36b00bf17d28904eccb8b3dfecd2abcc47e1d41dd3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling monoid v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "0bf2b3f880556be9a8ba36b00bf17d28904eccb8b3dfecd2abcc47e1d41dd3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf2b3f880556be9a8ba36b00bf17d28904eccb8b3dfecd2abcc47e1d41dd3e6", kill_on_drop: false }`
[INFO] [stdout] 0bf2b3f880556be9a8ba36b00bf17d28904eccb8b3dfecd2abcc47e1d41dd3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4efba3718c2ee6fed783d3ee2600b66d297342983695e337100b2768ffd587b0
[INFO] running `Command { std: "docker" "start" "-a" "4efba3718c2ee6fed783d3ee2600b66d297342983695e337100b2768ffd587b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling monoid v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "4efba3718c2ee6fed783d3ee2600b66d297342983695e337100b2768ffd587b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efba3718c2ee6fed783d3ee2600b66d297342983695e337100b2768ffd587b0", kill_on_drop: false }`
[INFO] [stdout] 4efba3718c2ee6fed783d3ee2600b66d297342983695e337100b2768ffd587b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24640c2ae5be92c4b2a7f1c2e83c2fc6355febacd0356f309815173ee4530309
[INFO] running `Command { std: "docker" "start" "-a" "24640c2ae5be92c4b2a7f1c2e83c2fc6355febacd0356f309815173ee4530309", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monoid-75fb9619c321b2fe)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::both ... ok
[INFO] [stdout] test tests::cowstring_append ... ok
[INFO] [stdout] test tests::left ... ok
[INFO] [stderr]    Doc-tests monoid
[INFO] [stdout] test tests::none ... ok
[INFO] [stdout] test tests::string_append ... ok
[INFO] [stdout] test tests::right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "24640c2ae5be92c4b2a7f1c2e83c2fc6355febacd0356f309815173ee4530309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24640c2ae5be92c4b2a7f1c2e83c2fc6355febacd0356f309815173ee4530309", kill_on_drop: false }`
[INFO] [stdout] 24640c2ae5be92c4b2a7f1c2e83c2fc6355febacd0356f309815173ee4530309