Dec 19 15:26:53.055 INFO checking jalexvig/comprustion against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:26:53.055 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:26:53.337 INFO [stdout] ad5a9231dffe69ecbbd19fe26f00ce102798112eadc30c08ce3efb54ac5531dd
Dec 19 15:26:53.342 INFO running `"docker" "start" "-a" "ad5a9231dffe69ecbbd19fe26f00ce102798112eadc30c08ce3efb54ac5531dd"`
Dec 19 15:26:54.225 INFO [stderr]     Checking comprustion v0.1.0 (/opt/crater/workdir)
Dec 19 15:26:54.556 INFO [stderr] warning: unused variable: `start`
Dec 19 15:26:54.556 INFO [stderr]   --> src/huffman.rs:32:13
Dec 19 15:26:54.556 INFO [stderr]    |
Dec 19 15:26:54.556 INFO [stderr] 32 |     let mut start = 0;
Dec 19 15:26:54.556 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 19 15:26:54.556 INFO [stderr]    |
Dec 19 15:26:54.556 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:26:54.556 INFO [stderr] 
Dec 19 15:26:54.563 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:26:54.563 INFO [stderr]   --> src/huffman.rs:32:9
Dec 19 15:26:54.563 INFO [stderr]    |
Dec 19 15:26:54.563 INFO [stderr] 32 |     let mut start = 0;
Dec 19 15:26:54.564 INFO [stderr]    |         ----^^^^^
Dec 19 15:26:54.564 INFO [stderr]    |         |
Dec 19 15:26:54.564 INFO [stderr]    |         help: remove this `mut`
Dec 19 15:26:54.564 INFO [stderr]    |
Dec 19 15:26:54.564 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:26:54.564 INFO [stderr] 
Dec 19 15:26:54.644 INFO [stderr] warning: unused variable: `start`
Dec 19 15:26:54.644 INFO [stderr]   --> src/huffman.rs:32:13
Dec 19 15:26:54.644 INFO [stderr]    |
Dec 19 15:26:54.644 INFO [stderr] 32 |     let mut start = 0;
Dec 19 15:26:54.644 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 19 15:26:54.644 INFO [stderr]    |
Dec 19 15:26:54.644 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:26:54.644 INFO [stderr] 
Dec 19 15:26:54.664 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:26:54.664 INFO [stderr]   --> src/huffman.rs:32:9
Dec 19 15:26:54.664 INFO [stderr]    |
Dec 19 15:26:54.664 INFO [stderr] 32 |     let mut start = 0;
Dec 19 15:26:54.664 INFO [stderr]    |         ----^^^^^
Dec 19 15:26:54.664 INFO [stderr]    |         |
Dec 19 15:26:54.664 INFO [stderr]    |         help: remove this `mut`
Dec 19 15:26:54.664 INFO [stderr]    |
Dec 19 15:26:54.664 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:26:54.664 INFO [stderr] 
Dec 19 15:26:54.980 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 19 15:26:54.980 INFO [stderr]  --> src/main.rs:3:5
Dec 19 15:26:54.980 INFO [stderr]   |
Dec 19 15:26:54.980 INFO [stderr] 3 | use comprustion::huffman;
Dec 19 15:26:54.980 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 15:26:54.980 INFO [stderr]   |
Dec 19 15:26:54.980 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:26:54.980 INFO [stderr] 
Dec 19 15:26:55.052 INFO [stderr] warning: unused import: `comprustion::huffman`
Dec 19 15:26:55.052 INFO [stderr]  --> src/main.rs:3:5
Dec 19 15:26:55.052 INFO [stderr]   |
Dec 19 15:26:55.052 INFO [stderr] 3 | use comprustion::huffman;
Dec 19 15:26:55.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 15:26:55.052 INFO [stderr]   |
Dec 19 15:26:55.052 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:26:55.052 INFO [stderr] 
Dec 19 15:26:55.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 19 15:26:55.488 INFO running `"docker" "inspect" "ad5a9231dffe69ecbbd19fe26f00ce102798112eadc30c08ce3efb54ac5531dd"`
Dec 19 15:26:55.626 INFO running `"docker" "rm" "-f" "ad5a9231dffe69ecbbd19fe26f00ce102798112eadc30c08ce3efb54ac5531dd"`
Dec 19 15:26:55.906 INFO [stdout] ad5a9231dffe69ecbbd19fe26f00ce102798112eadc30c08ce3efb54ac5531dd