[INFO] fetching crate pwrf 0.0.0-none...
[INFO] checking pwrf-0.0.0-none against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate pwrf 0.0.0-none into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pwrf 0.0.0-none on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwrf 0.0.0-none
[INFO] finished tweaking crates.io crate pwrf 0.0.0-none
[INFO] tweaked toml for crates.io crate pwrf 0.0.0-none written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pwrf 0.0.0-none already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bff5ac555acec5d3370ab13395ea76e4f015e5fe6ad668fae9ebd93f7a21f75
[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" "7bff5ac555acec5d3370ab13395ea76e4f015e5fe6ad668fae9ebd93f7a21f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bff5ac555acec5d3370ab13395ea76e4f015e5fe6ad668fae9ebd93f7a21f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bff5ac555acec5d3370ab13395ea76e4f015e5fe6ad668fae9ebd93f7a21f75", kill_on_drop: false }`
[INFO] [stdout] 7bff5ac555acec5d3370ab13395ea76e4f015e5fe6ad668fae9ebd93f7a21f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--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] e24bc7ca1e3fc1c009a60532cd3d959610ddacf24ad23c3c71005e5f8d441c54
[INFO] running `Command { std: "docker" "start" "-a" "e24bc7ca1e3fc1c009a60532cd3d959610ddacf24ad23c3c71005e5f8d441c54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pwrf v0.0.0-none (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "e24bc7ca1e3fc1c009a60532cd3d959610ddacf24ad23c3c71005e5f8d441c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24bc7ca1e3fc1c009a60532cd3d959610ddacf24ad23c3c71005e5f8d441c54", kill_on_drop: false }`
[INFO] [stdout] e24bc7ca1e3fc1c009a60532cd3d959610ddacf24ad23c3c71005e5f8d441c54