[INFO] cloning repository https://github.com/sundengyu/bench-cow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sundengyu/bench-cow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsundengyu%2Fbench-cow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsundengyu%2Fbench-cow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17939637a7385b89f17344592387f712551d6ac4
[INFO] testing sundengyu/bench-cow against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsundengyu%2Fbench-cow" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sundengyu/bench-cow on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sundengyu/bench-cow
[INFO] finished tweaking git repo https://github.com/sundengyu/bench-cow
[INFO] tweaked toml for git repo https://github.com/sundengyu/bench-cow written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sundengyu/bench-cow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-sys v0.8.0
[INFO] [stderr]   Downloaded ioctls v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f5d90bb0cdca86b3cef4e5a9efa80af4655a4dc6cfb134026f1b887a372f041
[INFO] running `Command { std: "docker" "start" "-a" "5f5d90bb0cdca86b3cef4e5a9efa80af4655a4dc6cfb134026f1b887a372f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f5d90bb0cdca86b3cef4e5a9efa80af4655a4dc6cfb134026f1b887a372f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5d90bb0cdca86b3cef4e5a9efa80af4655a4dc6cfb134026f1b887a372f041", kill_on_drop: false }`
[INFO] [stdout] 5f5d90bb0cdca86b3cef4e5a9efa80af4655a4dc6cfb134026f1b887a372f041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1a98f49d02299f4a946a359509192c6e622fd598c54f9ce99c4226a7adf507e
[INFO] running `Command { std: "docker" "start" "-a" "e1a98f49d02299f4a946a359509192c6e622fd598c54f9ce99c4226a7adf507e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling ioctl-sys v0.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling ioctls v0.6.2
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling bench-cow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.70s
[INFO] running `Command { std: "docker" "inspect" "e1a98f49d02299f4a946a359509192c6e622fd598c54f9ce99c4226a7adf507e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a98f49d02299f4a946a359509192c6e622fd598c54f9ce99c4226a7adf507e", kill_on_drop: false }`
[INFO] [stdout] e1a98f49d02299f4a946a359509192c6e622fd598c54f9ce99c4226a7adf507e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec5b831fda6156bc7503d2c935d07ef00fbdb688fdd58bdde73dfafda7bb9df7
[INFO] running `Command { std: "docker" "start" "-a" "ec5b831fda6156bc7503d2c935d07ef00fbdb688fdd58bdde73dfafda7bb9df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bench-cow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "ec5b831fda6156bc7503d2c935d07ef00fbdb688fdd58bdde73dfafda7bb9df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5b831fda6156bc7503d2c935d07ef00fbdb688fdd58bdde73dfafda7bb9df7", kill_on_drop: false }`
[INFO] [stdout] ec5b831fda6156bc7503d2c935d07ef00fbdb688fdd58bdde73dfafda7bb9df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9919e7ad8b52fda8bb32cba2fe42e7ea044fe19b4e05cc4b5515344a2cbfda53
[INFO] running `Command { std: "docker" "start" "-a" "9919e7ad8b52fda8bb32cba2fe42e7ea044fe19b4e05cc4b5515344a2cbfda53", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bench_cow-24cc32fae21b562a)
[INFO] running `Command { std: "docker" "inspect" "9919e7ad8b52fda8bb32cba2fe42e7ea044fe19b4e05cc4b5515344a2cbfda53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9919e7ad8b52fda8bb32cba2fe42e7ea044fe19b4e05cc4b5515344a2cbfda53", kill_on_drop: false }`
[INFO] [stdout] 9919e7ad8b52fda8bb32cba2fe42e7ea044fe19b4e05cc4b5515344a2cbfda53