[INFO] fetching crate bren 0.1.0...
[INFO] testing bren-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate bren 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bren 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bren 0.1.0
[INFO] finished tweaking crates.io crate bren 0.1.0
[INFO] tweaked toml for crates.io crate bren 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 3443b480ea2d6fc4df4f3bb86c68ae0b50e67d5bcb3a5a71c3fdee9ff45dbde1
[INFO] running `Command { std: "docker" "start" "-a" "3443b480ea2d6fc4df4f3bb86c68ae0b50e67d5bcb3a5a71c3fdee9ff45dbde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3443b480ea2d6fc4df4f3bb86c68ae0b50e67d5bcb3a5a71c3fdee9ff45dbde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3443b480ea2d6fc4df4f3bb86c68ae0b50e67d5bcb3a5a71c3fdee9ff45dbde1", kill_on_drop: false }`
[INFO] [stdout] 3443b480ea2d6fc4df4f3bb86c68ae0b50e67d5bcb3a5a71c3fdee9ff45dbde1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] eac2c2b255d8aa1db8e7c372fb0f844e973c7582f5393301eaf3c36f2df31479
[INFO] running `Command { std: "docker" "start" "-a" "eac2c2b255d8aa1db8e7c372fb0f844e973c7582f5393301eaf3c36f2df31479", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling bren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.65s
[INFO] running `Command { std: "docker" "inspect" "eac2c2b255d8aa1db8e7c372fb0f844e973c7582f5393301eaf3c36f2df31479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac2c2b255d8aa1db8e7c372fb0f844e973c7582f5393301eaf3c36f2df31479", kill_on_drop: false }`
[INFO] [stdout] eac2c2b255d8aa1db8e7c372fb0f844e973c7582f5393301eaf3c36f2df31479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc383e68581d252ef334b7994df9a4b0ab5e7e720cfb59cd4d8f2082d12ccca7
[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" "fc383e68581d252ef334b7994df9a4b0ab5e7e720cfb59cd4d8f2082d12ccca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/bren-e87691d9d02265b6)
[INFO] running `Command { std: "docker" "inspect" "fc383e68581d252ef334b7994df9a4b0ab5e7e720cfb59cd4d8f2082d12ccca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc383e68581d252ef334b7994df9a4b0ab5e7e720cfb59cd4d8f2082d12ccca7", kill_on_drop: false }`
[INFO] [stdout] fc383e68581d252ef334b7994df9a4b0ab5e7e720cfb59cd4d8f2082d12ccca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 3505450e82151388f7ccdd0f515363b772ad16001401e627236adc1985442f14
[INFO] running `Command { std: "docker" "start" "-a" "3505450e82151388f7ccdd0f515363b772ad16001401e627236adc1985442f14", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bren-e87691d9d02265b6)
[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" "3505450e82151388f7ccdd0f515363b772ad16001401e627236adc1985442f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3505450e82151388f7ccdd0f515363b772ad16001401e627236adc1985442f14", kill_on_drop: false }`
[INFO] [stdout] 3505450e82151388f7ccdd0f515363b772ad16001401e627236adc1985442f14