[INFO] fetching crate xmutil 1.1.0...
[INFO] testing xmutil-1.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate xmutil 1.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xmutil 1.1.0 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] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking crates.io crate xmutil 1.1.0
[INFO] finished tweaking crates.io crate xmutil 1.1.0
[INFO] tweaked toml for crates.io crate xmutil 1.1.0 written to /workspace/builds/worker-0/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f033de8b37088be496f848759427ac85017c1972b589714dc65b53402f22527b
[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" "f033de8b37088be496f848759427ac85017c1972b589714dc65b53402f22527b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f033de8b37088be496f848759427ac85017c1972b589714dc65b53402f22527b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f033de8b37088be496f848759427ac85017c1972b589714dc65b53402f22527b", kill_on_drop: false }`
[INFO] [stdout] f033de8b37088be496f848759427ac85017c1972b589714dc65b53402f22527b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4634daa49854f8f85eaa09fc026803235d8fc97bbabc24b1a3dbb6868dfad3f5
[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" "4634daa49854f8f85eaa09fc026803235d8fc97bbabc24b1a3dbb6868dfad3f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmutil v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.27s
[INFO] running `Command { std: "docker" "inspect" "4634daa49854f8f85eaa09fc026803235d8fc97bbabc24b1a3dbb6868dfad3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4634daa49854f8f85eaa09fc026803235d8fc97bbabc24b1a3dbb6868dfad3f5", kill_on_drop: false }`
[INFO] [stdout] 4634daa49854f8f85eaa09fc026803235d8fc97bbabc24b1a3dbb6868dfad3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7eaff423e26455f4ffe5e12b6f557a2947a2e11d97e150ea20a2100d80d7c97e
[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" "7eaff423e26455f4ffe5e12b6f557a2947a2e11d97e150ea20a2100d80d7c97e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmutil v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "7eaff423e26455f4ffe5e12b6f557a2947a2e11d97e150ea20a2100d80d7c97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eaff423e26455f4ffe5e12b6f557a2947a2e11d97e150ea20a2100d80d7c97e", kill_on_drop: false }`
[INFO] [stdout] 7eaff423e26455f4ffe5e12b6f557a2947a2e11d97e150ea20a2100d80d7c97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9c4fd5d0b3976f9e472c2bd14c7bcbdb01d0c86e5a9c1547e9011cc4cac0db96
[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" "9c4fd5d0b3976f9e472c2bd14c7bcbdb01d0c86e5a9c1547e9011cc4cac0db96", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xmutil-115a79c387b4a189)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::failure_is_none ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xmutil
[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" "9c4fd5d0b3976f9e472c2bd14c7bcbdb01d0c86e5a9c1547e9011cc4cac0db96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4fd5d0b3976f9e472c2bd14c7bcbdb01d0c86e5a9c1547e9011cc4cac0db96", kill_on_drop: false }`
[INFO] [stdout] 9c4fd5d0b3976f9e472c2bd14c7bcbdb01d0c86e5a9c1547e9011cc4cac0db96