Nov 28 00:33:31.304 INFO checking miyamofigo/lzw against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 00:33:31.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 00:33:31.579 INFO [stdout] cfd8f76217eed2c3ff3621418882c6fc6fb78e8b4635ef8f9c961bd5572ca60d
Nov 28 00:33:31.586 INFO running `"docker" "start" "-a" "cfd8f76217eed2c3ff3621418882c6fc6fb78e8b4635ef8f9c961bd5572ca60d"`
Nov 28 00:33:32.173 INFO [stderr] usermod: no changes
Nov 28 00:33:32.203 INFO [stderr]     Checking lzw v0.1.0 (/source)
Nov 28 00:33:32.523 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:33:32.523 INFO [stderr]    --> src/main.rs:115:9
Nov 28 00:33:32.523 INFO [stderr]     |
Nov 28 00:33:32.523 INFO [stderr] 115 |     let mut comp = compress("hello world");
Nov 28 00:33:32.523 INFO [stderr]     |         ----^^^^
Nov 28 00:33:32.523 INFO [stderr]     |         |
Nov 28 00:33:32.523 INFO [stderr]     |         help: remove this `mut`
Nov 28 00:33:32.523 INFO [stderr]     |
Nov 28 00:33:32.523 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 00:33:32.523 INFO [stderr] 
Nov 28 00:33:32.523 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:33:32.523 INFO [stderr]    --> src/main.rs:119:9
Nov 28 00:33:32.523 INFO [stderr]     |
Nov 28 00:33:32.523 INFO [stderr] 119 |     let mut comp2 = compress("hello worldhello world");
Nov 28 00:33:32.523 INFO [stderr]     |         ----^^^^^
Nov 28 00:33:32.523 INFO [stderr]     |         |
Nov 28 00:33:32.523 INFO [stderr]     |         help: remove this `mut`
Nov 28 00:33:32.523 INFO [stderr] 
Nov 28 00:33:32.572 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:33:32.572 INFO [stderr]    --> src/main.rs:115:9
Nov 28 00:33:32.572 INFO [stderr]     |
Nov 28 00:33:32.572 INFO [stderr] 115 |     let mut comp = compress("hello world");
Nov 28 00:33:32.572 INFO [stderr]     |         ----^^^^
Nov 28 00:33:32.572 INFO [stderr]     |         |
Nov 28 00:33:32.572 INFO [stderr]     |         help: remove this `mut`
Nov 28 00:33:32.572 INFO [stderr]     |
Nov 28 00:33:32.572 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 00:33:32.572 INFO [stderr] 
Nov 28 00:33:32.572 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:33:32.572 INFO [stderr]    --> src/main.rs:119:9
Nov 28 00:33:32.572 INFO [stderr]     |
Nov 28 00:33:32.572 INFO [stderr] 119 |     let mut comp2 = compress("hello worldhello world");
Nov 28 00:33:32.572 INFO [stderr]     |         ----^^^^^
Nov 28 00:33:32.572 INFO [stderr]     |         |
Nov 28 00:33:32.572 INFO [stderr]     |         help: remove this `mut`
Nov 28 00:33:32.572 INFO [stderr] 
Nov 28 00:33:32.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Nov 28 00:33:32.616 INFO [stderr] su: No module specific data is present
Nov 28 00:33:33.194 INFO running `"docker" "inspect" "cfd8f76217eed2c3ff3621418882c6fc6fb78e8b4635ef8f9c961bd5572ca60d"`
Nov 28 00:33:33.520 INFO running `"docker" "rm" "-f" "cfd8f76217eed2c3ff3621418882c6fc6fb78e8b4635ef8f9c961bd5572ca60d"`
Nov 28 00:33:33.891 INFO [stdout] cfd8f76217eed2c3ff3621418882c6fc6fb78e8b4635ef8f9c961bd5572ca60d