[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 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasg0451%2Frust-coz-breaker" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/asg0451/rust-coz-breaker on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d416c1725d962e0063c01827ba895e180fa9bfb7eebbd4263a40612213772ee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0d416c1725d962e0063c01827ba895e180fa9bfb7eebbd4263a40612213772ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d416c1725d962e0063c01827ba895e180fa9bfb7eebbd4263a40612213772ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d416c1725d962e0063c01827ba895e180fa9bfb7eebbd4263a40612213772ee", kill_on_drop: false }` [INFO] [stdout] 0d416c1725d962e0063c01827ba895e180fa9bfb7eebbd4263a40612213772ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 468a3c289bd2b6b551578d88d8a0d932a581c930d7b9424f9701f0782d4e60a8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "468a3c289bd2b6b551578d88d8a0d932a581c930d7b9424f9701f0782d4e60a8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling coz v0.1.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling cov-breaker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.08s [INFO] running `Command { std: "docker" "inspect" "468a3c289bd2b6b551578d88d8a0d932a581c930d7b9424f9701f0782d4e60a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "468a3c289bd2b6b551578d88d8a0d932a581c930d7b9424f9701f0782d4e60a8", kill_on_drop: false }` [INFO] [stdout] 468a3c289bd2b6b551578d88d8a0d932a581c930d7b9424f9701f0782d4e60a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10ca436bad20d13b32425b9169cc1017c2797ad3c6eab26abfbe20cad8a28427 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "10ca436bad20d13b32425b9169cc1017c2797ad3c6eab26abfbe20cad8a28427", kill_on_drop: false }` [INFO] [stderr] Compiling cov-breaker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "10ca436bad20d13b32425b9169cc1017c2797ad3c6eab26abfbe20cad8a28427", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10ca436bad20d13b32425b9169cc1017c2797ad3c6eab26abfbe20cad8a28427", kill_on_drop: false }` [INFO] [stdout] 10ca436bad20d13b32425b9169cc1017c2797ad3c6eab26abfbe20cad8a28427 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 508627fe1c42e9b3c945802496568b590c386ef9a324e9255c2436ce6c5b1f79 [INFO] running `Command { std: "docker" "start" "-a" "508627fe1c42e9b3c945802496568b590c386ef9a324e9255c2436ce6c5b1f79", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cov_breaker-5a56f7144b110ee1) [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" "508627fe1c42e9b3c945802496568b590c386ef9a324e9255c2436ce6c5b1f79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "508627fe1c42e9b3c945802496568b590c386ef9a324e9255c2436ce6c5b1f79", kill_on_drop: false }` [INFO] [stdout] 508627fe1c42e9b3c945802496568b590c386ef9a324e9255c2436ce6c5b1f79