[INFO] fetching crate io-close 0.3.7...
[INFO] testing io-close-0.3.7 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate io-close 0.3.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate io-close 0.3.7 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 io-close 0.3.7
[INFO] finished tweaking crates.io crate io-close 0.3.7
[INFO] tweaked toml for crates.io crate io-close 0.3.7 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 59656186bff068af5d139942fb019784add4ff579e1262105a9db95fe6e9aef4
[INFO] running `Command { std: "docker" "start" "-a" "59656186bff068af5d139942fb019784add4ff579e1262105a9db95fe6e9aef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59656186bff068af5d139942fb019784add4ff579e1262105a9db95fe6e9aef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59656186bff068af5d139942fb019784add4ff579e1262105a9db95fe6e9aef4", kill_on_drop: false }`
[INFO] [stdout] 59656186bff068af5d139942fb019784add4ff579e1262105a9db95fe6e9aef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 474c93eae7017953595fc1a0eacd8c066b8b13efede324408bc7ab8e767153a9
[INFO] running `Command { std: "docker" "start" "-a" "474c93eae7017953595fc1a0eacd8c066b8b13efede324408bc7ab8e767153a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-close v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "474c93eae7017953595fc1a0eacd8c066b8b13efede324408bc7ab8e767153a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474c93eae7017953595fc1a0eacd8c066b8b13efede324408bc7ab8e767153a9", kill_on_drop: false }`
[INFO] [stdout] 474c93eae7017953595fc1a0eacd8c066b8b13efede324408bc7ab8e767153a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85de4a5f19652597ef376a9468d4bcc8ac82bac18513b6d230acf048a17b2912
[INFO] running `Command { std: "docker" "start" "-a" "85de4a5f19652597ef376a9468d4bcc8ac82bac18513b6d230acf048a17b2912", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-close v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_close-7a03e2c0a8671bad)
[INFO] running `Command { std: "docker" "inspect" "85de4a5f19652597ef376a9468d4bcc8ac82bac18513b6d230acf048a17b2912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85de4a5f19652597ef376a9468d4bcc8ac82bac18513b6d230acf048a17b2912", kill_on_drop: false }`
[INFO] [stdout] 85de4a5f19652597ef376a9468d4bcc8ac82bac18513b6d230acf048a17b2912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 15260471907fa2a66e5ecd941278656f333d1aeecf821565224c31da77249932
[INFO] running `Command { std: "docker" "start" "-a" "15260471907fa2a66e5ecd941278656f333d1aeecf821565224c31da77249932", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_close-7a03e2c0a8671bad)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests io-close
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15260471907fa2a66e5ecd941278656f333d1aeecf821565224c31da77249932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15260471907fa2a66e5ecd941278656f333d1aeecf821565224c31da77249932", kill_on_drop: false }`
[INFO] [stdout] 15260471907fa2a66e5ecd941278656f333d1aeecf821565224c31da77249932