[INFO] cloning repository https://github.com/asg0451/rust-coz-breaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asg0451/rust-coz-breaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasg0451%2Frust-coz-breaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasg0451%2Frust-coz-breaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a0046e04c98ba9b704c784b174c1c3436ead58a
[INFO] testing asg0451/rust-coz-breaker/1a0046e04c98ba9b704c784b174c1c3436ead58a against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasg0451%2Frust-coz-breaker" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asg0451/rust-coz-breaker 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/asg0451/rust-coz-breaker
[INFO] finished tweaking git repo https://github.com/asg0451/rust-coz-breaker
[INFO] tweaked toml for git repo https://github.com/asg0451/rust-coz-breaker written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/asg0451/rust-coz-breaker 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]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded coz v0.1.3
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f062c3684155d34f4e5e8e65f11efe4adfb6c7824569141fcc328ccd735b5007
[INFO] running `Command { std: "docker" "start" "-a" "f062c3684155d34f4e5e8e65f11efe4adfb6c7824569141fcc328ccd735b5007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f062c3684155d34f4e5e8e65f11efe4adfb6c7824569141fcc328ccd735b5007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f062c3684155d34f4e5e8e65f11efe4adfb6c7824569141fcc328ccd735b5007", kill_on_drop: false }`
[INFO] [stdout] f062c3684155d34f4e5e8e65f11efe4adfb6c7824569141fcc328ccd735b5007
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2c61cefbf60aeb7c6d9b4e686085cc2027f392efd2fdd2c7f6a859624a9bc5f8
[INFO] running `Command { std: "docker" "start" "-a" "2c61cefbf60aeb7c6d9b4e686085cc2027f392efd2fdd2c7f6a859624a9bc5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling coz v0.1.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling cov-breaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "2c61cefbf60aeb7c6d9b4e686085cc2027f392efd2fdd2c7f6a859624a9bc5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c61cefbf60aeb7c6d9b4e686085cc2027f392efd2fdd2c7f6a859624a9bc5f8", kill_on_drop: false }`
[INFO] [stdout] 2c61cefbf60aeb7c6d9b4e686085cc2027f392efd2fdd2c7f6a859624a9bc5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1b29a7c7653f808d3aa7482b9bd5b675476861456c0bdcb232f297abb533f513
[INFO] running `Command { std: "docker" "start" "-a" "1b29a7c7653f808d3aa7482b9bd5b675476861456c0bdcb232f297abb533f513", kill_on_drop: false }`
[INFO] [stderr]    Compiling cov-breaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "1b29a7c7653f808d3aa7482b9bd5b675476861456c0bdcb232f297abb533f513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b29a7c7653f808d3aa7482b9bd5b675476861456c0bdcb232f297abb533f513", kill_on_drop: false }`
[INFO] [stdout] 1b29a7c7653f808d3aa7482b9bd5b675476861456c0bdcb232f297abb533f513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bc5bc7f2bae242a243e88f356c623366cb5bc682e4c41db14a1c8460772b6a90
[INFO] running `Command { std: "docker" "start" "-a" "bc5bc7f2bae242a243e88f356c623366cb5bc682e4c41db14a1c8460772b6a90", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cov_breaker-0f8531dc5fcb8310)
[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" "bc5bc7f2bae242a243e88f356c623366cb5bc682e4c41db14a1c8460772b6a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5bc7f2bae242a243e88f356c623366cb5bc682e4c41db14a1c8460772b6a90", kill_on_drop: false }`
[INFO] [stdout] bc5bc7f2bae242a243e88f356c623366cb5bc682e4c41db14a1c8460772b6a90