[INFO] crate nc 0.3.3 is already in cache
[INFO] checking nc-0.3.3 against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564
[INFO] extracting crate nc 0.3.3 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate nc 0.3.3 on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nc 0.3.3
[INFO] finished tweaking crates.io crate nc 0.3.3
[INFO] tweaked toml for crates.io crate nc 0.3.3 written to work/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nc 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c111d75bec7b9c03b343c60829fd07d3fbb305d2e9dc1e28bce811ed4c3ed095
[INFO] running `"docker" "start" "-a" "c111d75bec7b9c03b343c60829fd07d3fbb305d2e9dc1e28bce811ed4c3ed095"`
[INFO] [stderr]     Checking nc v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `nc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/nanosleep.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     nc::nanosleep(&req, &mut rem);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c111d75bec7b9c03b343c60829fd07d3fbb305d2e9dc1e28bce811ed4c3ed095"`
[INFO] running `"docker" "rm" "-f" "c111d75bec7b9c03b343c60829fd07d3fbb305d2e9dc1e28bce811ed4c3ed095"`
[INFO] [stdout] c111d75bec7b9c03b343c60829fd07d3fbb305d2e9dc1e28bce811ed4c3ed095