Dec 17 22:35:42.027 INFO checking jalexvig/comprustion against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:35:42.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:35:42.306 INFO [stdout] 394186e067ff37ddfd318e4072910ba28e47f44d65f7206d985754ec5e0775be
Dec 17 22:35:42.308 INFO running `"docker" "start" "-a" "394186e067ff37ddfd318e4072910ba28e47f44d65f7206d985754ec5e0775be"`
Dec 17 22:35:43.284 INFO [stderr]     Checking comprustion v0.1.0 (/opt/crater/workdir)
Dec 17 22:35:43.504 INFO [stderr] warning: unused variable: `start`
Dec 17 22:35:43.504 INFO [stderr]   --> src/huffman.rs:32:13
Dec 17 22:35:43.504 INFO [stderr]    |
Dec 17 22:35:43.504 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:43.504 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 17 22:35:43.504 INFO [stderr]    |
Dec 17 22:35:43.504 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:35:43.504 INFO [stderr] 
Dec 17 22:35:43.508 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:35:43.508 INFO [stderr]   --> src/huffman.rs:32:9
Dec 17 22:35:43.508 INFO [stderr]    |
Dec 17 22:35:43.508 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:43.508 INFO [stderr]    |         ----^^^^^
Dec 17 22:35:43.508 INFO [stderr]    |         |
Dec 17 22:35:43.508 INFO [stderr]    |         help: remove this `mut`
Dec 17 22:35:43.508 INFO [stderr]    |
Dec 17 22:35:43.508 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:35:43.508 INFO [stderr] 
Dec 17 22:35:43.548 INFO [stderr] warning: unused variable: `start`
Dec 17 22:35:43.548 INFO [stderr]   --> src/huffman.rs:32:13
Dec 17 22:35:43.548 INFO [stderr]    |
Dec 17 22:35:43.548 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:43.548 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 17 22:35:43.548 INFO [stderr]    |
Dec 17 22:35:43.556 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:35:43.556 INFO [stderr] 
Dec 17 22:35:43.570 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:35:43.570 INFO [stderr]   --> src/huffman.rs:32:9
Dec 17 22:35:43.570 INFO [stderr]    |
Dec 17 22:35:43.570 INFO [stderr] 32 |     let mut start = 0;
Dec 17 22:35:43.570 INFO [stderr]    |         ----^^^^^
Dec 17 22:35:43.570 INFO [stderr]    |         |
Dec 17 22:35:43.570 INFO [stderr]    |         help: remove this `mut`
Dec 17 22:35:43.570 INFO [stderr]    |
Dec 17 22:35:43.570 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:35:43.570 INFO [stderr] 
Dec 17 22:35:43.705 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 17 22:35:43.705 INFO [stderr]  --> src/main.rs:3:5
Dec 17 22:35:43.705 INFO [stderr]   |
Dec 17 22:35:43.705 INFO [stderr] 3 | use comprustion::huffman;
Dec 17 22:35:43.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:35:43.705 INFO [stderr]   |
Dec 17 22:35:43.705 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:35:43.705 INFO [stderr] 
Dec 17 22:35:43.712 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 17 22:35:43.712 INFO [stderr]  --> src/main.rs:3:5
Dec 17 22:35:43.712 INFO [stderr]   |
Dec 17 22:35:43.712 INFO [stderr] 3 | use comprustion::huffman;
Dec 17 22:35:43.712 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 22:35:43.712 INFO [stderr]   |
Dec 17 22:35:43.712 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:35:43.712 INFO [stderr] 
Dec 17 22:35:43.753 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 17 22:35:44.182 INFO running `"docker" "inspect" "394186e067ff37ddfd318e4072910ba28e47f44d65f7206d985754ec5e0775be"`
Dec 17 22:35:44.330 INFO running `"docker" "rm" "-f" "394186e067ff37ddfd318e4072910ba28e47f44d65f7206d985754ec5e0775be"`
Dec 17 22:35:44.423 INFO [stdout] 394186e067ff37ddfd318e4072910ba28e47f44d65f7206d985754ec5e0775be