[INFO] crate nc 0.3.3 is already in cache
[INFO] checking nc-0.3.3 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate nc 0.3.3 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate nc 0.3.3 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-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-2/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 96422fbb1d6d1e16c79c68dafc8ff0caee0852230e092e476121bfdc3c4d619f
[INFO] running `"docker" "start" "-a" "96422fbb1d6d1e16c79c68dafc8ff0caee0852230e092e476121bfdc3c4d619f"`
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/read.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     nc::close(fd);
[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" "96422fbb1d6d1e16c79c68dafc8ff0caee0852230e092e476121bfdc3c4d619f"`
[INFO] running `"docker" "rm" "-f" "96422fbb1d6d1e16c79c68dafc8ff0caee0852230e092e476121bfdc3c4d619f"`
[INFO] [stdout] 96422fbb1d6d1e16c79c68dafc8ff0caee0852230e092e476121bfdc3c4d619f