Dec 11 16:39:36.149 INFO checking jalexvig/comprustion against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:39:36.149 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 16:39:36.412 INFO [stdout] 2e330febbe26ede1a2e8f5520e67d50322fdfbceb268c9e0059e4af6345a3cf7
Dec 11 16:39:36.418 INFO running `"docker" "start" "-a" "2e330febbe26ede1a2e8f5520e67d50322fdfbceb268c9e0059e4af6345a3cf7"`
Dec 11 16:39:36.956 INFO [stderr] usermod: no changes
Dec 11 16:39:37.028 INFO [stderr]     Checking comprustion v0.1.0 (/source)
Dec 11 16:39:37.514 INFO [stderr] warning: unused variable: `start`
Dec 11 16:39:37.514 INFO [stderr]   --> src/huffman.rs:32:13
Dec 11 16:39:37.514 INFO [stderr]    |
Dec 11 16:39:37.514 INFO [stderr] 32 |     let mut start = 0;
Dec 11 16:39:37.514 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 11 16:39:37.514 INFO [stderr]    |
Dec 11 16:39:37.520 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:39:37.520 INFO [stderr] 
Dec 11 16:39:37.520 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:39:37.520 INFO [stderr]   --> src/huffman.rs:32:9
Dec 11 16:39:37.520 INFO [stderr]    |
Dec 11 16:39:37.520 INFO [stderr] 32 |     let mut start = 0;
Dec 11 16:39:37.521 INFO [stderr]    |         ----^^^^^
Dec 11 16:39:37.521 INFO [stderr]    |         |
Dec 11 16:39:37.521 INFO [stderr]    |         help: remove this `mut`
Dec 11 16:39:37.521 INFO [stderr]    |
Dec 11 16:39:37.521 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 16:39:37.521 INFO [stderr] 
Dec 11 16:39:37.764 INFO [stderr] warning: unused variable: `start`
Dec 11 16:39:37.764 INFO [stderr]   --> src/huffman.rs:32:13
Dec 11 16:39:37.764 INFO [stderr]    |
Dec 11 16:39:37.764 INFO [stderr] 32 |     let mut start = 0;
Dec 11 16:39:37.764 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 11 16:39:37.764 INFO [stderr]    |
Dec 11 16:39:37.764 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:39:37.764 INFO [stderr] 
Dec 11 16:39:37.764 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:39:37.764 INFO [stderr]   --> src/huffman.rs:32:9
Dec 11 16:39:37.764 INFO [stderr]    |
Dec 11 16:39:37.764 INFO [stderr] 32 |     let mut start = 0;
Dec 11 16:39:37.764 INFO [stderr]    |         ----^^^^^
Dec 11 16:39:37.764 INFO [stderr]    |         |
Dec 11 16:39:37.764 INFO [stderr]    |         help: remove this `mut`
Dec 11 16:39:37.764 INFO [stderr]    |
Dec 11 16:39:37.764 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 16:39:37.764 INFO [stderr] 
Dec 11 16:39:38.236 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 11 16:39:38.236 INFO [stderr]  --> src/main.rs:3:5
Dec 11 16:39:38.236 INFO [stderr]   |
Dec 11 16:39:38.236 INFO [stderr] 3 | use comprustion::huffman;
Dec 11 16:39:38.236 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 16:39:38.236 INFO [stderr]   |
Dec 11 16:39:38.237 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:39:38.237 INFO [stderr] 
Dec 11 16:39:38.392 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 11 16:39:38.392 INFO [stderr]  --> src/main.rs:3:5
Dec 11 16:39:38.392 INFO [stderr]   |
Dec 11 16:39:38.392 INFO [stderr] 3 | use comprustion::huffman;
Dec 11 16:39:38.392 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 16:39:38.392 INFO [stderr]   |
Dec 11 16:39:38.392 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:39:38.392 INFO [stderr] 
Dec 11 16:39:38.449 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Dec 11 16:39:38.455 INFO [stderr] su: No module specific data is present
Dec 11 16:39:38.869 INFO running `"docker" "inspect" "2e330febbe26ede1a2e8f5520e67d50322fdfbceb268c9e0059e4af6345a3cf7"`
Dec 11 16:39:38.999 INFO running `"docker" "rm" "-f" "2e330febbe26ede1a2e8f5520e67d50322fdfbceb268c9e0059e4af6345a3cf7"`
Dec 11 16:39:39.280 INFO [stdout] 2e330febbe26ede1a2e8f5520e67d50322fdfbceb268c9e0059e4af6345a3cf7