[INFO] fetching crate monoid 0.0.5...
[INFO] testing monoid-0.0.5 against 1.59.0 for beta-1.60-1
[INFO] extracting crate monoid 0.0.5 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate monoid 0.0.5 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20db15b01de83b206adf48fc74fd8bcba2fdb8bfbb14ec2d8286911708562e69
[INFO] running `Command { std: "docker" "start" "-a" "20db15b01de83b206adf48fc74fd8bcba2fdb8bfbb14ec2d8286911708562e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20db15b01de83b206adf48fc74fd8bcba2fdb8bfbb14ec2d8286911708562e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20db15b01de83b206adf48fc74fd8bcba2fdb8bfbb14ec2d8286911708562e69", kill_on_drop: false }`
[INFO] [stdout] 20db15b01de83b206adf48fc74fd8bcba2fdb8bfbb14ec2d8286911708562e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8191f0c31a630b0f7248921f67d91d1c762f4c028fcc74dc045b4cc2bfdce347
[INFO] running `Command { std: "docker" "start" "-a" "8191f0c31a630b0f7248921f67d91d1c762f4c028fcc74dc045b4cc2bfdce347", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "8191f0c31a630b0f7248921f67d91d1c762f4c028fcc74dc045b4cc2bfdce347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8191f0c31a630b0f7248921f67d91d1c762f4c028fcc74dc045b4cc2bfdce347", kill_on_drop: false }`
[INFO] [stdout] 8191f0c31a630b0f7248921f67d91d1c762f4c028fcc74dc045b4cc2bfdce347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 817762911f0dd77ac2e07d50f256b12778467e0df4fe97612b51d5efabcda234
[INFO] running `Command { std: "docker" "start" "-a" "817762911f0dd77ac2e07d50f256b12778467e0df4fe97612b51d5efabcda234", kill_on_drop: false }`
[INFO] [stderr]    Compiling monoid v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "817762911f0dd77ac2e07d50f256b12778467e0df4fe97612b51d5efabcda234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817762911f0dd77ac2e07d50f256b12778467e0df4fe97612b51d5efabcda234", kill_on_drop: false }`
[INFO] [stdout] 817762911f0dd77ac2e07d50f256b12778467e0df4fe97612b51d5efabcda234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 525ae9068557d3d18c738c3057d847af74f974f78d0adae0141575a99f7ae76a
[INFO] running `Command { std: "docker" "start" "-a" "525ae9068557d3d18c738c3057d847af74f974f78d0adae0141575a99f7ae76a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monoid-4a1e47dadcceeb6f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::both ... ok
[INFO] [stdout] test tests::cowstring_append ... ok
[INFO] [stdout] test tests::none ... ok
[INFO] [stdout] test tests::left ... ok
[INFO] [stdout] test tests::right ... ok
[INFO] [stdout] test tests::string_append ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monoid
[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" "525ae9068557d3d18c738c3057d847af74f974f78d0adae0141575a99f7ae76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525ae9068557d3d18c738c3057d847af74f974f78d0adae0141575a99f7ae76a", kill_on_drop: false }`
[INFO] [stdout] 525ae9068557d3d18c738c3057d847af74f974f78d0adae0141575a99f7ae76a