[INFO] updating cached repository https://github.com/xeranimus/mergebg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e66997f6f29a659d21fb972d41db9634fa8092d6
[INFO] checking xeranimus/mergebg against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeranimus%2Fmergebg" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xeranimus/mergebg on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xeranimus/mergebg
[INFO] finished tweaking git repo https://github.com/xeranimus/mergebg
[INFO] tweaked toml for git repo https://github.com/xeranimus/mergebg written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/xeranimus/mergebg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] caf149de189a99dfc417c0646f50925de66e1a68b3b04d09037a1503c66c3ca5
[INFO] running `"docker" "start" "-a" "caf149de189a99dfc417c0646f50925de66e1a68b3b04d09037a1503c66c3ca5"`
[INFO] [stderr]     Checking ironbed v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:460:87
[INFO] [stderr]     |
[INFO] [stderr] 460 |             let test_values = bg.map(|x| x.starts_after(&pos)).collect::<Vec<bool>>();;
[INFO] [stderr]     |                                                                                       ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:474:86
[INFO] [stderr]     |
[INFO] [stderr] 474 |             let test_values = bg.map(|x| x.ends_before(&pos)).collect::<Vec<bool>>();;
[INFO] [stderr]     |                                                                                      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:498:60
[INFO] [stderr]     |
[INFO] [stderr] 498 |             check_data(&last_line, Some("10".to_string()));;
[INFO] [stderr]     |                                                            ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:501:60
[INFO] [stderr]     |
[INFO] [stderr] 501 |             check_data(&last_line, Some("20".to_string()));;
[INFO] [stderr]     |                                                            ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "caf149de189a99dfc417c0646f50925de66e1a68b3b04d09037a1503c66c3ca5"`
[INFO] running `"docker" "rm" "-f" "caf149de189a99dfc417c0646f50925de66e1a68b3b04d09037a1503c66c3ca5"`
[INFO] [stdout] caf149de189a99dfc417c0646f50925de66e1a68b3b04d09037a1503c66c3ca5