[INFO] cloning repository https://github.com/bbatha/boggle
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbatha/boggle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbatha%2Fboggle"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbatha%2Fboggle'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd23da480e78c9a92b7e79977c8dd5387da81da4
[INFO] checking bbatha/boggle against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbatha%2Fboggle" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbatha/boggle 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/bbatha/boggle
[INFO] finished tweaking git repo https://github.com/bbatha/boggle
[INFO] tweaked toml for git repo https://github.com/bbatha/boggle written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/bbatha/boggle 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] d2e83d2b8ebf6f1eaa7ccccd9803cbd6c586f7c5c41e8a22995c290dcf1c02aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d2e83d2b8ebf6f1eaa7ccccd9803cbd6c586f7c5c41e8a22995c290dcf1c02aa"`
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking boggle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `has_word`
[INFO] [stderr]   --> src/board.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn has_word(&self, word: &[u8]) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `solve_single_threaded`
[INFO] [stderr]    --> src/board.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn solve_single_threaded<'a>(&self, words: &'a str) -> Vec<&'a str> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `contains`
[INFO] [stderr]   --> src/trie.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn contains(&self, word: &[u8]) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fill`
[INFO] [stderr]   --> src/multivec.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     pub fn fill(width: usize, height: usize, depth: usize, value: T) -> Vec3<T>
[INFO] [stderr] 25 | |         where T: Clone
[INFO] [stderr] 26 | |     {
[INFO] [stderr] 27 | |         let data = iter::repeat(value).take(width * height * depth).collect();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         }
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `"docker" "inspect" "d2e83d2b8ebf6f1eaa7ccccd9803cbd6c586f7c5c41e8a22995c290dcf1c02aa"`
[INFO] running `"docker" "rm" "-f" "d2e83d2b8ebf6f1eaa7ccccd9803cbd6c586f7c5c41e8a22995c290dcf1c02aa"`
[INFO] [stdout] d2e83d2b8ebf6f1eaa7ccccd9803cbd6c586f7c5c41e8a22995c290dcf1c02aa