[INFO] fetching crate layered-io 0.10.0...
[INFO] testing layered-io-0.10.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate layered-io 0.10.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate layered-io 0.10.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate layered-io 0.10.0
[INFO] finished tweaking crates.io crate layered-io 0.10.0
[INFO] tweaked toml for crates.io crate layered-io 0.10.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 7119211da531e9a7189430615250bc64bd209f9ad905ab6f055e58e08866b558
[INFO] running `Command { std: "docker" "start" "-a" "7119211da531e9a7189430615250bc64bd209f9ad905ab6f055e58e08866b558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7119211da531e9a7189430615250bc64bd209f9ad905ab6f055e58e08866b558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7119211da531e9a7189430615250bc64bd209f9ad905ab6f055e58e08866b558", kill_on_drop: false }`
[INFO] [stdout] 7119211da531e9a7189430615250bc64bd209f9ad905ab6f055e58e08866b558
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26ab212e0aa3bc4c528dea0e5cb439d398ccc8229f3db692ae7c76b5d9c9046a
[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" "26ab212e0aa3bc4c528dea0e5cb439d398ccc8229f3db692ae7c76b5d9c9046a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling io-lifetimes v0.4.3
[INFO] [stderr]    Compiling io-extras v0.12.2
[INFO] [stderr]    Compiling duplex v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling os_pipe v1.0.0
[INFO] [stderr]    Compiling layered-io v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "26ab212e0aa3bc4c528dea0e5cb439d398ccc8229f3db692ae7c76b5d9c9046a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ab212e0aa3bc4c528dea0e5cb439d398ccc8229f3db692ae7c76b5d9c9046a", kill_on_drop: false }`
[INFO] [stdout] 26ab212e0aa3bc4c528dea0e5cb439d398ccc8229f3db692ae7c76b5d9c9046a
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 0c840d366a59f82eb85c438bcd6e9f19b7ab9ee37715aa19bcb4a23192c6243e
[INFO] running `Command { std: "docker" "start" "-a" "0c840d366a59f82eb85c438bcd6e9f19b7ab9ee37715aa19bcb4a23192c6243e", kill_on_drop: false }`
[INFO] [stderr]    Compiling layered-io v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "0c840d366a59f82eb85c438bcd6e9f19b7ab9ee37715aa19bcb4a23192c6243e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c840d366a59f82eb85c438bcd6e9f19b7ab9ee37715aa19bcb4a23192c6243e", kill_on_drop: false }`
[INFO] [stdout] 0c840d366a59f82eb85c438bcd6e9f19b7ab9ee37715aa19bcb4a23192c6243e
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cba6da64f7ecd6d7a904eb0a3345af12f7d55b9de855aaf46f050e93bdec4d7
[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" "3cba6da64f7ecd6d7a904eb0a3345af12f7d55b9de855aaf46f050e93bdec4d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/layered_io-e01be7e7651c1727)
[INFO] [stdout] test slice_reader::test_slice_read ... ok
[INFO] [stderr]    Doc-tests layered-io
[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 0.01s
[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" "3cba6da64f7ecd6d7a904eb0a3345af12f7d55b9de855aaf46f050e93bdec4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cba6da64f7ecd6d7a904eb0a3345af12f7d55b9de855aaf46f050e93bdec4d7", kill_on_drop: false }`
[INFO] [stdout] 3cba6da64f7ecd6d7a904eb0a3345af12f7d55b9de855aaf46f050e93bdec4d7