[INFO] fetching crate layered-io 0.7.0...
[INFO] testing layered-io-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate layered-io 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate layered-io 0.7.0 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 crates.io crate layered-io 0.7.0
[INFO] finished tweaking crates.io crate layered-io 0.7.0
[INFO] tweaked toml for crates.io crate layered-io 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded io-lifetimes v0.2.4
[INFO] [stderr]   Downloaded rsix v0.18.0
[INFO] [stderr]   Downloaded terminal-io v0.6.0
[INFO] [stderr]   Downloaded unsafe-io v0.8.2
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.19
[INFO] [stderr]   Downloaded duplex v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 02f5389b52b0c23e5d3b7665fbf770fb8f49960d7abb457f8c167f55ef41a9de
[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" "02f5389b52b0c23e5d3b7665fbf770fb8f49960d7abb457f8c167f55ef41a9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f5389b52b0c23e5d3b7665fbf770fb8f49960d7abb457f8c167f55ef41a9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f5389b52b0c23e5d3b7665fbf770fb8f49960d7abb457f8c167f55ef41a9de", kill_on_drop: false }`
[INFO] [stdout] 02f5389b52b0c23e5d3b7665fbf770fb8f49960d7abb457f8c167f55ef41a9de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 385772cd1175242828d535cb653bba8105d0ac1c5016c6346ca19afe7d4ee16e
[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" "385772cd1175242828d535cb653bba8105d0ac1c5016c6346ca19afe7d4ee16e", kill_on_drop: false }`
[INFO] [stderr]    Compiling duplex v0.6.0
[INFO] [stderr]    Compiling io-lifetimes v0.2.4
[INFO] [stderr]    Compiling unsafe-io v0.8.2
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling layered-io v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "385772cd1175242828d535cb653bba8105d0ac1c5016c6346ca19afe7d4ee16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385772cd1175242828d535cb653bba8105d0ac1c5016c6346ca19afe7d4ee16e", kill_on_drop: false }`
[INFO] [stdout] 385772cd1175242828d535cb653bba8105d0ac1c5016c6346ca19afe7d4ee16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 653dca5f1ae2cdd95262c119e780a5b6aef6385ffd992c05a9d80878a116518c
[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" "653dca5f1ae2cdd95262c119e780a5b6aef6385ffd992c05a9d80878a116518c", kill_on_drop: false }`
[INFO] [stderr]    Compiling layered-io v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "653dca5f1ae2cdd95262c119e780a5b6aef6385ffd992c05a9d80878a116518c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653dca5f1ae2cdd95262c119e780a5b6aef6385ffd992c05a9d80878a116518c", kill_on_drop: false }`
[INFO] [stdout] 653dca5f1ae2cdd95262c119e780a5b6aef6385ffd992c05a9d80878a116518c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 799e00bd5c62d49979ae33ca655ac8247883cf2a38846c72e70bacd7836dd17b
[INFO] running `Command { std: "docker" "start" "-a" "799e00bd5c62d49979ae33ca655ac8247883cf2a38846c72e70bacd7836dd17b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/layered_io-cb1d68807bb3c0f7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test slice_reader::test_slice_read ... ok
[INFO] [stdout] test slice_reader::test_slice_read_with_status ... ok
[INFO] [stdout] test layered_duplexer::test_layered_duplexion ... ok
[INFO] [stdout] test layered_reader::test_layered_reader ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests layered-io
[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" "799e00bd5c62d49979ae33ca655ac8247883cf2a38846c72e70bacd7836dd17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799e00bd5c62d49979ae33ca655ac8247883cf2a38846c72e70bacd7836dd17b", kill_on_drop: false }`
[INFO] [stdout] 799e00bd5c62d49979ae33ca655ac8247883cf2a38846c72e70bacd7836dd17b