Dec 17 22:35:39.269 INFO checking jalexvig/comprustion against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:35:39.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jalexvig/comprustion:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:35:39.780 INFO [stdout] 2e63b87a1040bb02b82048ffae15a410c0006018a72f032c24e044ade05bc5c2
Dec 17 22:35:39.782 INFO running `"docker" "start" "-a" "2e63b87a1040bb02b82048ffae15a410c0006018a72f032c24e044ade05bc5c2"`
Dec 17 22:35:41.158 INFO [stderr]     Checking comprustion v0.1.0 (/opt/crater/workdir)
Dec 17 22:35:41.460 INFO [stderr] warning: unused variable: `start`
Dec 17 22:35:41.460 INFO [stderr]   --> src/huffman.rs:32:13
Dec 17 22:35:41.460 INFO [stderr]    |
Dec 17 22:35:41.464 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:41.464 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 17 22:35:41.464 INFO [stderr]    |
Dec 17 22:35:41.465 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:35:41.465 INFO [stderr] 
Dec 17 22:35:41.480 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:35:41.480 INFO [stderr]   --> src/huffman.rs:32:9
Dec 17 22:35:41.480 INFO [stderr]    |
Dec 17 22:35:41.480 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:41.480 INFO [stderr]    |         ----^^^^^
Dec 17 22:35:41.480 INFO [stderr]    |         |
Dec 17 22:35:41.480 INFO [stderr]    |         help: remove this `mut`
Dec 17 22:35:41.480 INFO [stderr]    |
Dec 17 22:35:41.480 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:35:41.480 INFO [stderr] 
Dec 17 22:35:41.492 INFO [stderr] warning: unused variable: `start`
Dec 17 22:35:41.492 INFO [stderr]   --> src/huffman.rs:32:13
Dec 17 22:35:41.492 INFO [stderr]    |
Dec 17 22:35:41.492 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:41.492 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 17 22:35:41.492 INFO [stderr]    |
Dec 17 22:35:41.492 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:35:41.492 INFO [stderr] 
Dec 17 22:35:41.492 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:35:41.492 INFO [stderr]   --> src/huffman.rs:32:9
Dec 17 22:35:41.492 INFO [stderr]    |
Dec 17 22:35:41.492 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:41.492 INFO [stderr]    |         ----^^^^^
Dec 17 22:35:41.492 INFO [stderr]    |         |
Dec 17 22:35:41.492 INFO [stderr]    |         help: remove this `mut`
Dec 17 22:35:41.492 INFO [stderr]    |
Dec 17 22:35:41.492 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:35:41.492 INFO [stderr] 
Dec 17 22:35:41.788 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 17 22:35:41.788 INFO [stderr]  --> src/main.rs:3:5
Dec 17 22:35:41.788 INFO [stderr]   |
Dec 17 22:35:41.788 INFO [stderr] 3 | use comprustion::huffman;
Dec 17 22:35:41.788 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:35:41.788 INFO [stderr]   |
Dec 17 22:35:41.788 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:35:41.788 INFO [stderr] 
Dec 17 22:35:41.888 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 17 22:35:41.888 INFO [stderr]  --> src/main.rs:3:5
Dec 17 22:35:41.888 INFO [stderr]   |
Dec 17 22:35:41.888 INFO [stderr] 3 | use comprustion::huffman;
Dec 17 22:35:41.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:35:41.888 INFO [stderr]   |
Dec 17 22:35:41.888 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:35:41.888 INFO [stderr] 
Dec 17 22:35:41.960 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 17 22:35:42.487 INFO running `"docker" "inspect" "2e63b87a1040bb02b82048ffae15a410c0006018a72f032c24e044ade05bc5c2"`
Dec 17 22:35:42.586 INFO running `"docker" "rm" "-f" "2e63b87a1040bb02b82048ffae15a410c0006018a72f032c24e044ade05bc5c2"`
Dec 17 22:35:42.740 INFO [stdout] 2e63b87a1040bb02b82048ffae15a410c0006018a72f032c24e044ade05bc5c2