[INFO] fetching crate pwrf 0.0.0-none...
[INFO] checking pwrf-0.0.0-none against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate pwrf 0.0.0-none into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pwrf 0.0.0-none on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb01330f72c98b0c897f9eefca3eed886ea380f05d3dc130fab5c0b8b067abf2
[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" "cb01330f72c98b0c897f9eefca3eed886ea380f05d3dc130fab5c0b8b067abf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb01330f72c98b0c897f9eefca3eed886ea380f05d3dc130fab5c0b8b067abf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb01330f72c98b0c897f9eefca3eed886ea380f05d3dc130fab5c0b8b067abf2", kill_on_drop: false }`
[INFO] [stdout] cb01330f72c98b0c897f9eefca3eed886ea380f05d3dc130fab5c0b8b067abf2
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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] 8925fad6f4d7ce572d8c53d3fd97b37f0f335eecf124099b59f5e23733aeb713
[INFO] running `Command { std: "docker" "start" "-a" "8925fad6f4d7ce572d8c53d3fd97b37f0f335eecf124099b59f5e23733aeb713", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking vec_map v0.8.1
[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 7.12s
[INFO] running `Command { std: "docker" "inspect" "8925fad6f4d7ce572d8c53d3fd97b37f0f335eecf124099b59f5e23733aeb713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8925fad6f4d7ce572d8c53d3fd97b37f0f335eecf124099b59f5e23733aeb713", kill_on_drop: false }`
[INFO] [stdout] 8925fad6f4d7ce572d8c53d3fd97b37f0f335eecf124099b59f5e23733aeb713