[INFO] fetching crate uu_cat 0.0.1...
[INFO] testing uu_cat-0.0.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate uu_cat 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate uu_cat 0.0.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate uu_cat 0.0.1
[INFO] finished tweaking crates.io crate uu_cat 0.0.1
[INFO] tweaked toml for crates.io crate uu_cat 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate uu_cat 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a4d42ac5ca50691db75540310b5d0bb1c4a304f19c801308d3c56a13d9dbbcd
[INFO] running `"docker" "start" "-a" "0a4d42ac5ca50691db75540310b5d0bb1c4a304f19c801308d3c56a13d9dbbcd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling uucore v0.0.4
[INFO] [stderr]    Compiling uu_cat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "0a4d42ac5ca50691db75540310b5d0bb1c4a304f19c801308d3c56a13d9dbbcd"`
[INFO] running `"docker" "rm" "-f" "0a4d42ac5ca50691db75540310b5d0bb1c4a304f19c801308d3c56a13d9dbbcd"`
[INFO] [stdout] 0a4d42ac5ca50691db75540310b5d0bb1c4a304f19c801308d3c56a13d9dbbcd
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa310c0dfb641fbd74f532d9f0a5486c913560a5250939af12e098cf9f352d51
[INFO] running `"docker" "start" "-a" "fa310c0dfb641fbd74f532d9f0a5486c913560a5250939af12e098cf9f352d51"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling uu_cat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: only functions may be used as tests
[INFO] [stderr]    --> src/cat.rs:466:1
[INFO] [stderr]     |
[INFO] [stderr] 466 | / mod tests {
[INFO] [stderr] 467 | |     use std::io::{stdout, BufWriter};
[INFO] [stderr] 468 | |
[INFO] [stderr] 469 | |     #[test]
[INFO] [stderr] ...   |
[INFO] [stderr] 507 | |     }
[INFO] [stderr] 508 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `uu_cat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fa310c0dfb641fbd74f532d9f0a5486c913560a5250939af12e098cf9f352d51"`
[INFO] running `"docker" "rm" "-f" "fa310c0dfb641fbd74f532d9f0a5486c913560a5250939af12e098cf9f352d51"`
[INFO] [stdout] fa310c0dfb641fbd74f532d9f0a5486c913560a5250939af12e098cf9f352d51