[INFO] fetching crate libc-spawn 0.0.1...
[INFO] testing libc-spawn-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libc-spawn 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libc-spawn 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libc-spawn 0.0.1
[INFO] finished tweaking crates.io crate libc-spawn 0.0.1
[INFO] tweaked toml for crates.io crate libc-spawn 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] aa7f804aa4dbc9452f11370d05010668d2c9249edd1f7c0bfd504814ae560225
[INFO] running `Command { std: "docker" "start" "-a" "aa7f804aa4dbc9452f11370d05010668d2c9249edd1f7c0bfd504814ae560225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7f804aa4dbc9452f11370d05010668d2c9249edd1f7c0bfd504814ae560225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7f804aa4dbc9452f11370d05010668d2c9249edd1f7c0bfd504814ae560225", kill_on_drop: false }`
[INFO] [stdout] aa7f804aa4dbc9452f11370d05010668d2c9249edd1f7c0bfd504814ae560225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce99b7f8d5ae1d62c2bddea2432b0a9ea54e2ab90a801c8170e6c4649d5adb2
[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" "cce99b7f8d5ae1d62c2bddea2432b0a9ea54e2ab90a801c8170e6c4649d5adb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc-spawn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "cce99b7f8d5ae1d62c2bddea2432b0a9ea54e2ab90a801c8170e6c4649d5adb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce99b7f8d5ae1d62c2bddea2432b0a9ea54e2ab90a801c8170e6c4649d5adb2", kill_on_drop: false }`
[INFO] [stdout] cce99b7f8d5ae1d62c2bddea2432b0a9ea54e2ab90a801c8170e6c4649d5adb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30b47c871ee2c0fa2b68c3f81a43658bb2a6f233bf45b23fa35d303d56d406e2
[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" "30b47c871ee2c0fa2b68c3f81a43658bb2a6f233bf45b23fa35d303d56d406e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc-spawn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "30b47c871ee2c0fa2b68c3f81a43658bb2a6f233bf45b23fa35d303d56d406e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b47c871ee2c0fa2b68c3f81a43658bb2a6f233bf45b23fa35d303d56d406e2", kill_on_drop: false }`
[INFO] [stdout] 30b47c871ee2c0fa2b68c3f81a43658bb2a6f233bf45b23fa35d303d56d406e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d8989d61c2a1ccde2b0630b4d86ccbbad01919ced491d366b69c3d0d8cd0377
[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" "9d8989d61c2a1ccde2b0630b4d86ccbbad01919ced491d366b69c3d0d8cd0377", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libc_spawn-4cfe0b7311a50e59
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libc-spawn
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d8989d61c2a1ccde2b0630b4d86ccbbad01919ced491d366b69c3d0d8cd0377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8989d61c2a1ccde2b0630b4d86ccbbad01919ced491d366b69c3d0d8cd0377", kill_on_drop: false }`
[INFO] [stdout] 9d8989d61c2a1ccde2b0630b4d86ccbbad01919ced491d366b69c3d0d8cd0377