[INFO] fetching crate barriers 0.2.0...
[INFO] testing barriers-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate barriers 0.2.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate barriers 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barriers 0.2.0
[INFO] finished tweaking crates.io crate barriers 0.2.0
[INFO] tweaked toml for crates.io crate barriers 0.2.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66adb6efd1299717b706a824d99d46f760402b744ae891b0bb47b351bb4dc810
[INFO] running `Command { std: "docker" "start" "-a" "66adb6efd1299717b706a824d99d46f760402b744ae891b0bb47b351bb4dc810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66adb6efd1299717b706a824d99d46f760402b744ae891b0bb47b351bb4dc810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66adb6efd1299717b706a824d99d46f760402b744ae891b0bb47b351bb4dc810", kill_on_drop: false }`
[INFO] [stdout] 66adb6efd1299717b706a824d99d46f760402b744ae891b0bb47b351bb4dc810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 054ac7fecbc029cbf913bf1d1a4d20dfb7974a95f466a66bee2b9ed479a56dce
[INFO] running `Command { std: "docker" "start" "-a" "054ac7fecbc029cbf913bf1d1a4d20dfb7974a95f466a66bee2b9ed479a56dce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling barriers v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "054ac7fecbc029cbf913bf1d1a4d20dfb7974a95f466a66bee2b9ed479a56dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "054ac7fecbc029cbf913bf1d1a4d20dfb7974a95f466a66bee2b9ed479a56dce", kill_on_drop: false }`
[INFO] [stdout] 054ac7fecbc029cbf913bf1d1a4d20dfb7974a95f466a66bee2b9ed479a56dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc2445b0bdae6b95a3ee17d2053ab8c68976c07ea975f0c034edb8fd1af2428
[INFO] running `Command { std: "docker" "start" "-a" "fbc2445b0bdae6b95a3ee17d2053ab8c68976c07ea975f0c034edb8fd1af2428", kill_on_drop: false }`
[INFO] [stderr]    Compiling barriers v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "fbc2445b0bdae6b95a3ee17d2053ab8c68976c07ea975f0c034edb8fd1af2428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc2445b0bdae6b95a3ee17d2053ab8c68976c07ea975f0c034edb8fd1af2428", kill_on_drop: false }`
[INFO] [stdout] fbc2445b0bdae6b95a3ee17d2053ab8c68976c07ea975f0c034edb8fd1af2428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45d1f3d1b36c750960aabbf0f70377e17c5a25b495bf6e230c7aa3eabfc86e3c
[INFO] running `Command { std: "docker" "start" "-a" "45d1f3d1b36c750960aabbf0f70377e17c5a25b495bf6e230c7aa3eabfc86e3c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/barriers-efd8c82e2f9a8358)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests barriers
[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 17.74s
[INFO] [stdout] 
[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" "45d1f3d1b36c750960aabbf0f70377e17c5a25b495bf6e230c7aa3eabfc86e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d1f3d1b36c750960aabbf0f70377e17c5a25b495bf6e230c7aa3eabfc86e3c", kill_on_drop: false }`
[INFO] [stdout] 45d1f3d1b36c750960aabbf0f70377e17c5a25b495bf6e230c7aa3eabfc86e3c