[INFO] cloning repository https://github.com/yberreby/benchmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yberreby/benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fbenchmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fbenchmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2815509e178888da003eeab674c296fa9d17b791
[INFO] testing yberreby/benchmarks against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Fbenchmarks" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yberreby/benchmarks on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yberreby/benchmarks
[INFO] finished tweaking git repo https://github.com/yberreby/benchmarks
[INFO] tweaked toml for git repo https://github.com/yberreby/benchmarks written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/yberreby/benchmarks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chan v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3168040d11e98973e71c2f8857f9e613860f650b5b712efe1d94df2d80ff39f2
[INFO] running `Command { std: "docker" "start" "-a" "3168040d11e98973e71c2f8857f9e613860f650b5b712efe1d94df2d80ff39f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3168040d11e98973e71c2f8857f9e613860f650b5b712efe1d94df2d80ff39f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3168040d11e98973e71c2f8857f9e613860f650b5b712efe1d94df2d80ff39f2", kill_on_drop: false }`
[INFO] [stdout] 3168040d11e98973e71c2f8857f9e613860f650b5b712efe1d94df2d80ff39f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d69317a526de5d37d3555fae75efa8ea9206a955c6dd5bb604a4bb5b7fa5e5aa
[INFO] running `Command { std: "docker" "start" "-a" "d69317a526de5d37d3555fae75efa8ea9206a955c6dd5bb604a4bb5b7fa5e5aa", kill_on_drop: false }`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "d69317a526de5d37d3555fae75efa8ea9206a955c6dd5bb604a4bb5b7fa5e5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69317a526de5d37d3555fae75efa8ea9206a955c6dd5bb604a4bb5b7fa5e5aa", kill_on_drop: false }`
[INFO] [stdout] d69317a526de5d37d3555fae75efa8ea9206a955c6dd5bb604a4bb5b7fa5e5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3306cce0c82d93081a7d438f89a865ebe804c946b5dfb321331eef7f94567ed6
[INFO] running `Command { std: "docker" "start" "-a" "3306cce0c82d93081a7d438f89a865ebe804c946b5dfb321331eef7f94567ed6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "3306cce0c82d93081a7d438f89a865ebe804c946b5dfb321331eef7f94567ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3306cce0c82d93081a7d438f89a865ebe804c946b5dfb321331eef7f94567ed6", kill_on_drop: false }`
[INFO] [stdout] 3306cce0c82d93081a7d438f89a865ebe804c946b5dfb321331eef7f94567ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b2b9bae530f3832d556ac23d68822388abed2ca7a7b7a61781a30d595f1b38e
[INFO] running `Command { std: "docker" "start" "-a" "6b2b9bae530f3832d556ac23d68822388abed2ca7a7b7a61781a30d595f1b38e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "6b2b9bae530f3832d556ac23d68822388abed2ca7a7b7a61781a30d595f1b38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2b9bae530f3832d556ac23d68822388abed2ca7a7b7a61781a30d595f1b38e", kill_on_drop: false }`
[INFO] [stdout] 6b2b9bae530f3832d556ac23d68822388abed2ca7a7b7a61781a30d595f1b38e