[INFO] cloning repository https://github.com/scottjr632/rust-barrier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottjr632/rust-barrier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottjr632%2Frust-barrier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottjr632%2Frust-barrier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f967f90cb1fbbe2b417eff4312019e6dc38ef4a7
[INFO] testing scottjr632/rust-barrier against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottjr632%2Frust-barrier" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottjr632/rust-barrier 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/scottjr632/rust-barrier
[INFO] finished tweaking git repo https://github.com/scottjr632/rust-barrier
[INFO] tweaked toml for git repo https://github.com/scottjr632/rust-barrier written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/scottjr632/rust-barrier 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] a1f676370b06f1824d13650aaddf70f280dcbedb0e2adb36576b1bb5ed12795e
[INFO] running `Command { std: "docker" "start" "-a" "a1f676370b06f1824d13650aaddf70f280dcbedb0e2adb36576b1bb5ed12795e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f676370b06f1824d13650aaddf70f280dcbedb0e2adb36576b1bb5ed12795e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f676370b06f1824d13650aaddf70f280dcbedb0e2adb36576b1bb5ed12795e", kill_on_drop: false }`
[INFO] [stdout] a1f676370b06f1824d13650aaddf70f280dcbedb0e2adb36576b1bb5ed12795e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 11623ab7e6556d73b056b2959a5ec525d93404931368fa9d42adca0a7d4e25f7
[INFO] running `Command { std: "docker" "start" "-a" "11623ab7e6556d73b056b2959a5ec525d93404931368fa9d42adca0a7d4e25f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling barriers v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "11623ab7e6556d73b056b2959a5ec525d93404931368fa9d42adca0a7d4e25f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11623ab7e6556d73b056b2959a5ec525d93404931368fa9d42adca0a7d4e25f7", kill_on_drop: false }`
[INFO] [stdout] 11623ab7e6556d73b056b2959a5ec525d93404931368fa9d42adca0a7d4e25f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 0311cfe6157f0053723810950f273032aec169e3087739afeefebee415fa4c90
[INFO] running `Command { std: "docker" "start" "-a" "0311cfe6157f0053723810950f273032aec169e3087739afeefebee415fa4c90", kill_on_drop: false }`
[INFO] [stderr]    Compiling barriers v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "0311cfe6157f0053723810950f273032aec169e3087739afeefebee415fa4c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0311cfe6157f0053723810950f273032aec169e3087739afeefebee415fa4c90", kill_on_drop: false }`
[INFO] [stdout] 0311cfe6157f0053723810950f273032aec169e3087739afeefebee415fa4c90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] e097a1d7e4c22dcc7746f4aed0ad864a23a3e60cd9fdd400ebded6aafc8d6a2e
[INFO] running `Command { std: "docker" "start" "-a" "e097a1d7e4c22dcc7746f4aed0ad864a23a3e60cd9fdd400ebded6aafc8d6a2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/barriers-13272f2572ff8a27)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test barrier::tests::bench_it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.95s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests barriers
[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" "e097a1d7e4c22dcc7746f4aed0ad864a23a3e60cd9fdd400ebded6aafc8d6a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e097a1d7e4c22dcc7746f4aed0ad864a23a3e60cd9fdd400ebded6aafc8d6a2e", kill_on_drop: false }`
[INFO] [stdout] e097a1d7e4c22dcc7746f4aed0ad864a23a3e60cd9fdd400ebded6aafc8d6a2e