[INFO] fetching crate uu_mkdir 0.0.1...
[INFO] testing uu_mkdir-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate uu_mkdir 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate uu_mkdir 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 uu_mkdir 0.0.1
[INFO] finished tweaking crates.io crate uu_mkdir 0.0.1
[INFO] tweaked toml for crates.io crate uu_mkdir 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate uu_mkdir 0.0.1 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 4dd4e17da55e0ef68ff58734e6c3d3a2fac20ec85b7da5a094a5e6de05e933c2
[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" "4dd4e17da55e0ef68ff58734e6c3d3a2fac20ec85b7da5a094a5e6de05e933c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd4e17da55e0ef68ff58734e6c3d3a2fac20ec85b7da5a094a5e6de05e933c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd4e17da55e0ef68ff58734e6c3d3a2fac20ec85b7da5a094a5e6de05e933c2", kill_on_drop: false }`
[INFO] [stdout] 4dd4e17da55e0ef68ff58734e6c3d3a2fac20ec85b7da5a094a5e6de05e933c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] db3a2609b2e61a77eab67d51c7c4975c13936eb73bfe7789781f5606e98c6cc9
[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" "db3a2609b2e61a77eab67d51c7c4975c13936eb73bfe7789781f5606e98c6cc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling uucore v0.0.4
[INFO] [stderr]    Compiling uu_mkdir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "db3a2609b2e61a77eab67d51c7c4975c13936eb73bfe7789781f5606e98c6cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3a2609b2e61a77eab67d51c7c4975c13936eb73bfe7789781f5606e98c6cc9", kill_on_drop: false }`
[INFO] [stdout] db3a2609b2e61a77eab67d51c7c4975c13936eb73bfe7789781f5606e98c6cc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b3a24c2e82eeee9d20580ff4ed7fd8feb6c06c3dba90be2702f06cb006fb96f8
[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" "b3a24c2e82eeee9d20580ff4ed7fd8feb6c06c3dba90be2702f06cb006fb96f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_mkdir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "b3a24c2e82eeee9d20580ff4ed7fd8feb6c06c3dba90be2702f06cb006fb96f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a24c2e82eeee9d20580ff4ed7fd8feb6c06c3dba90be2702f06cb006fb96f8", kill_on_drop: false }`
[INFO] [stdout] b3a24c2e82eeee9d20580ff4ed7fd8feb6c06c3dba90be2702f06cb006fb96f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72aab5b3db0dd1a847e21e72d5ec5724ff7c9fd491661e0ddcd0440fdfac4be3
[INFO] running `Command { std: "docker" "start" "-a" "72aab5b3db0dd1a847e21e72d5ec5724ff7c9fd491661e0ddcd0440fdfac4be3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uu_mkdir-80bdc0ff072c3db5
[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]      Running /opt/rustwide/target/debug/deps/mkdir-4bb01e590ac0f107
[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 uu_mkdir
[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" "72aab5b3db0dd1a847e21e72d5ec5724ff7c9fd491661e0ddcd0440fdfac4be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72aab5b3db0dd1a847e21e72d5ec5724ff7c9fd491661e0ddcd0440fdfac4be3", kill_on_drop: false }`
[INFO] [stdout] 72aab5b3db0dd1a847e21e72d5ec5724ff7c9fd491661e0ddcd0440fdfac4be3