[INFO] fetching crate mio 0.7.10...
[INFO] checking mio-0.7.10 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate mio 0.7.10 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mio 0.7.10 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio 0.7.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio 0.7.10
[INFO] tweaked toml for crates.io crate mio 0.7.10 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mio 0.7.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ce8d04a46d97c14dec92982bf03deb061d039878744d0f8994a38cfc78e7af
[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" "88ce8d04a46d97c14dec92982bf03deb061d039878744d0f8994a38cfc78e7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ce8d04a46d97c14dec92982bf03deb061d039878744d0f8994a38cfc78e7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ce8d04a46d97c14dec92982bf03deb061d039878744d0f8994a38cfc78e7af", kill_on_drop: false }`
[INFO] [stdout] 88ce8d04a46d97c14dec92982bf03deb061d039878744d0f8994a38cfc78e7af
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c00c7ec0dcb3f908a09c434e412c86d2be259995cb924c6033d6b8520fc5ecd
[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" "5c00c7ec0dcb3f908a09c434e412c86d2be259995cb924c6033d6b8520fc5ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.7.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "5c00c7ec0dcb3f908a09c434e412c86d2be259995cb924c6033d6b8520fc5ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c00c7ec0dcb3f908a09c434e412c86d2be259995cb924c6033d6b8520fc5ecd", kill_on_drop: false }`
[INFO] [stdout] 5c00c7ec0dcb3f908a09c434e412c86d2be259995cb924c6033d6b8520fc5ecd