[INFO] updating cached repository https://github.com/vietlq/rcut
[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] [stderr] From https://github.com/vietlq/rcut
[INFO] [stderr]    e51c1e1..7a0e6c0  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a0e6c0e37fc32be06fdcaa6326cf071425bbea3
[INFO] checking vietlq/rcut against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvietlq%2Frcut" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vietlq/rcut on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vietlq/rcut
[INFO] finished tweaking git repo https://github.com/vietlq/rcut
[INFO] tweaked toml for git repo https://github.com/vietlq/rcut written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/vietlq/rcut already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 3eaaafdc3f1dfb048bbb3d14a028e7453a0aa1233c03354d588d4ac5248b56e2
[INFO] running `"docker" "start" "-a" "3eaaafdc3f1dfb048bbb3d14a028e7453a0aa1233c03354d588d4ac5248b56e2"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rcut v0.0.23 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `delim`
[INFO] [stderr]    --> src/lib.rs:111:49
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub fn process_utf8_fields_for_line(line: &str, delim: &str, ranged_pairs: &Vec<(usize, usize)>) -> Vec<u8> {
[INFO] [stderr]     |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delim`
[INFO] [stderr]    --> src/lib.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     delim: &str,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delim`
[INFO] [stderr]    --> src/lib.rs:111:49
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub fn process_utf8_fields_for_line(line: &str, delim: &str, ranged_pairs: &Vec<(usize, usize)>) -> Vec<u8> {
[INFO] [stderr]     |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delim`
[INFO] [stderr]    --> src/lib.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     delim: &str,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_delim`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.17s
[INFO] running `"docker" "inspect" "3eaaafdc3f1dfb048bbb3d14a028e7453a0aa1233c03354d588d4ac5248b56e2"`
[INFO] running `"docker" "rm" "-f" "3eaaafdc3f1dfb048bbb3d14a028e7453a0aa1233c03354d588d4ac5248b56e2"`
[INFO] [stdout] 3eaaafdc3f1dfb048bbb3d14a028e7453a0aa1233c03354d588d4ac5248b56e2