[INFO] updating cached repository https://github.com/yuzu441/nlp100-rust
[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] 61b2ac3d4be5538dfb4980f6dbfef826fd4d0677
[INFO] checking yuzu441/nlp100-rust against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuzu441%2Fnlp100-rust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuzu441/nlp100-rust on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yuzu441/nlp100-rust
[INFO] finished tweaking git repo https://github.com/yuzu441/nlp100-rust
[INFO] tweaked toml for git repo https://github.com/yuzu441/nlp100-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/yuzu441/nlp100-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 91fa2e6f02d330f50913e70a3ad427bb3d12f5c3b02f4e0d7f3e1a9cd6042765
[INFO] running `"docker" "start" "-a" "91fa2e6f02d330f50913e70a3ad427bb3d12f5c3b02f4e0d7f3e1a9cd6042765"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nlp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/chapter01.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .map(|word| word.trim_right_matches(pat))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/chapter01.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .map(|word| word.trim_right_matches(pat))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 true => w.slice_unchecked(0, 1),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 false => w.slice_unchecked(0, 2)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 true => w.slice_unchecked(0, 1),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 false => w.slice_unchecked(0, 2)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "91fa2e6f02d330f50913e70a3ad427bb3d12f5c3b02f4e0d7f3e1a9cd6042765"`
[INFO] running `"docker" "rm" "-f" "91fa2e6f02d330f50913e70a3ad427bb3d12f5c3b02f4e0d7f3e1a9cd6042765"`
[INFO] [stdout] 91fa2e6f02d330f50913e70a3ad427bb3d12f5c3b02f4e0d7f3e1a9cd6042765