[INFO] cloning repository https://github.com/utrescu/Rust-Semafors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utrescu/Rust-Semafors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futrescu%2FRust-Semafors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futrescu%2FRust-Semafors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86fb95647d6687dabb05d66201fb59d8cf7db000
[INFO] testing utrescu/Rust-Semafors against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futrescu%2FRust-Semafors" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utrescu/Rust-Semafors on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/utrescu/Rust-Semafors
[INFO] finished tweaking git repo https://github.com/utrescu/Rust-Semafors
[INFO] tweaked toml for git repo https://github.com/utrescu/Rust-Semafors written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/utrescu/Rust-Semafors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df0e1fcfe01790669c36480d5eb94b32be362df7d8b0a34aa528d367898277c
[INFO] running `Command { std: "docker" "start" "-a" "8df0e1fcfe01790669c36480d5eb94b32be362df7d8b0a34aa528d367898277c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df0e1fcfe01790669c36480d5eb94b32be362df7d8b0a34aa528d367898277c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df0e1fcfe01790669c36480d5eb94b32be362df7d8b0a34aa528d367898277c", kill_on_drop: false }`
[INFO] [stdout] 8df0e1fcfe01790669c36480d5eb94b32be362df7d8b0a34aa528d367898277c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56d60d0747085955d9d2c1e4b82c860f121e0183ea5121378364c5cb189f2ec7
[INFO] running `Command { std: "docker" "start" "-a" "56d60d0747085955d9d2c1e4b82c860f121e0183ea5121378364c5cb189f2ec7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semafors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `Command { std: "docker" "inspect" "56d60d0747085955d9d2c1e4b82c860f121e0183ea5121378364c5cb189f2ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d60d0747085955d9d2c1e4b82c860f121e0183ea5121378364c5cb189f2ec7", kill_on_drop: false }`
[INFO] [stdout] 56d60d0747085955d9d2c1e4b82c860f121e0183ea5121378364c5cb189f2ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18dab1b1e965e098b689c305da6a62cb65a3e44a35a33246a4b55708794a9087
[INFO] running `Command { std: "docker" "start" "-a" "18dab1b1e965e098b689c305da6a62cb65a3e44a35a33246a4b55708794a9087", kill_on_drop: false }`
[INFO] [stderr]    Compiling semafors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "18dab1b1e965e098b689c305da6a62cb65a3e44a35a33246a4b55708794a9087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18dab1b1e965e098b689c305da6a62cb65a3e44a35a33246a4b55708794a9087", kill_on_drop: false }`
[INFO] [stdout] 18dab1b1e965e098b689c305da6a62cb65a3e44a35a33246a4b55708794a9087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 278f938840e01f6e7a2b462feb6e16d3cae3b540f34ee42949dbd3d80385a426
[INFO] running `Command { std: "docker" "start" "-a" "278f938840e01f6e7a2b462feb6e16d3cae3b540f34ee42949dbd3d80385a426", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/semafors-15ff098a92eef845)
[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" "278f938840e01f6e7a2b462feb6e16d3cae3b540f34ee42949dbd3d80385a426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278f938840e01f6e7a2b462feb6e16d3cae3b540f34ee42949dbd3d80385a426", kill_on_drop: false }`
[INFO] [stdout] 278f938840e01f6e7a2b462feb6e16d3cae3b540f34ee42949dbd3d80385a426