[INFO] fetching crate mio-signals 0.1.2...
[INFO] checking mio-signals-0.1.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate mio-signals 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mio-signals 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio-signals 0.1.2
[INFO] finished tweaking crates.io crate mio-signals 0.1.2
[INFO] tweaked toml for crates.io crate mio-signals 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate mio-signals 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b063fe1e4f033e611316387f24df39f68d2c46e1a8cc39149955d755cd95a3
[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" "f6b063fe1e4f033e611316387f24df39f68d2c46e1a8cc39149955d755cd95a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b063fe1e4f033e611316387f24df39f68d2c46e1a8cc39149955d755cd95a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b063fe1e4f033e611316387f24df39f68d2c46e1a8cc39149955d755cd95a3", kill_on_drop: false }`
[INFO] [stdout] f6b063fe1e4f033e611316387f24df39f68d2c46e1a8cc39149955d755cd95a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87da49e7f1feae067e9e62807a3d60022c30f2fee962ff019c27254ecfca613f
[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" "87da49e7f1feae067e9e62807a3d60022c30f2fee962ff019c27254ecfca613f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking mio-signals v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "87da49e7f1feae067e9e62807a3d60022c30f2fee962ff019c27254ecfca613f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87da49e7f1feae067e9e62807a3d60022c30f2fee962ff019c27254ecfca613f", kill_on_drop: false }`
[INFO] [stdout] 87da49e7f1feae067e9e62807a3d60022c30f2fee962ff019c27254ecfca613f
