Dec 13 10:28:40.327 INFO testing miyamofigo/lzw against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 10:28:40.327 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 10:28:40.711 INFO [stdout] 0663aabcd9e8559a830657b0e06a0b0056d9ff8c040506007c4df56084286111
Dec 13 10:28:40.715 INFO running `"docker" "start" "-a" "0663aabcd9e8559a830657b0e06a0b0056d9ff8c040506007c4df56084286111"`
Dec 13 10:28:41.339 INFO [stderr] usermod: no changes
Dec 13 10:28:41.387 INFO [stderr]    Compiling lzw v0.1.0 (/source)
Dec 13 10:28:41.677 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:28:41.677 INFO [stderr]    --> src/main.rs:115:9
Dec 13 10:28:41.677 INFO [stderr]     |
Dec 13 10:28:41.677 INFO [stderr] 115 |     let mut comp = compress("hello world");
Dec 13 10:28:41.677 INFO [stderr]     |         ----^^^^
Dec 13 10:28:41.677 INFO [stderr]     |         |
Dec 13 10:28:41.677 INFO [stderr]     |         help: remove this `mut`
Dec 13 10:28:41.677 INFO [stderr]     |
Dec 13 10:28:41.677 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 10:28:41.677 INFO [stderr] 
Dec 13 10:28:41.677 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:28:41.677 INFO [stderr]    --> src/main.rs:119:9
Dec 13 10:28:41.677 INFO [stderr]     |
Dec 13 10:28:41.677 INFO [stderr] 119 |     let mut comp2 = compress("hello worldhello world");
Dec 13 10:28:41.677 INFO [stderr]     |         ----^^^^^
Dec 13 10:28:41.677 INFO [stderr]     |         |
Dec 13 10:28:41.677 INFO [stderr]     |         help: remove this `mut`
Dec 13 10:28:41.677 INFO [stderr] 
Dec 13 10:28:42.782 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Dec 13 10:28:42.785 INFO [stderr] su: No module specific data is present
Dec 13 10:28:43.431 INFO running `"docker" "inspect" "0663aabcd9e8559a830657b0e06a0b0056d9ff8c040506007c4df56084286111"`
Dec 13 10:28:43.668 INFO running `"docker" "rm" "-f" "0663aabcd9e8559a830657b0e06a0b0056d9ff8c040506007c4df56084286111"`
Dec 13 10:28:43.963 INFO [stdout] 0663aabcd9e8559a830657b0e06a0b0056d9ff8c040506007c4df56084286111
Dec 13 10:28:43.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 10:28:44.488 INFO [stdout] 0398c9976a65ee529c576308e9f82d91a7587bf787a80190dbc9a0cb1f5827c0
Dec 13 10:28:44.492 INFO running `"docker" "start" "-a" "0398c9976a65ee529c576308e9f82d91a7587bf787a80190dbc9a0cb1f5827c0"`
Dec 13 10:28:46.092 INFO [stderr] usermod: no changes
Dec 13 10:28:46.155 INFO [stderr]    Compiling lzw v0.1.0 (/source)
Dec 13 10:28:46.623 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:28:46.623 INFO [stderr]    --> src/main.rs:115:9
Dec 13 10:28:46.623 INFO [stderr]     |
Dec 13 10:28:46.623 INFO [stderr] 115 |     let mut comp = compress("hello world");
Dec 13 10:28:46.623 INFO [stderr]     |         ----^^^^
Dec 13 10:28:46.623 INFO [stderr]     |         |
Dec 13 10:28:46.623 INFO [stderr]     |         help: remove this `mut`
Dec 13 10:28:46.623 INFO [stderr]     |
Dec 13 10:28:46.623 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 10:28:46.623 INFO [stderr] 
Dec 13 10:28:46.623 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:28:46.623 INFO [stderr]    --> src/main.rs:119:9
Dec 13 10:28:46.623 INFO [stderr]     |
Dec 13 10:28:46.623 INFO [stderr] 119 |     let mut comp2 = compress("hello worldhello world");
Dec 13 10:28:46.623 INFO [stderr]     |         ----^^^^^
Dec 13 10:28:46.623 INFO [stderr]     |         |
Dec 13 10:28:46.623 INFO [stderr]     |         help: remove this `mut`
Dec 13 10:28:46.623 INFO [stderr] 
Dec 13 10:28:46.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 13 10:28:46.949 INFO [stderr] su: No module specific data is present
Dec 13 10:28:47.900 INFO running `"docker" "inspect" "0398c9976a65ee529c576308e9f82d91a7587bf787a80190dbc9a0cb1f5827c0"`
Dec 13 10:28:48.155 INFO running `"docker" "rm" "-f" "0398c9976a65ee529c576308e9f82d91a7587bf787a80190dbc9a0cb1f5827c0"`
Dec 13 10:28:48.441 INFO [stdout] 0398c9976a65ee529c576308e9f82d91a7587bf787a80190dbc9a0cb1f5827c0
Dec 13 10:28:48.450 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 10:28:49.005 INFO [stdout] f17ade2851b13ae6ec88a7aa2d01c96a555de8c797ccc18908be5a04d5a9319f
Dec 13 10:28:49.007 INFO running `"docker" "start" "-a" "f17ade2851b13ae6ec88a7aa2d01c96a555de8c797ccc18908be5a04d5a9319f"`
Dec 13 10:28:50.322 INFO [stderr] usermod: no changes
Dec 13 10:28:50.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 13 10:28:50.411 INFO [stderr]      Running /target/debug/deps/lzw-417bee13b159d3b8
Dec 13 10:28:50.419 INFO [stderr] su: No module specific data is present
Dec 13 10:28:50.419 INFO [stdout] 
Dec 13 10:28:50.419 INFO [stdout] running 0 tests
Dec 13 10:28:50.419 INFO [stdout] 
Dec 13 10:28:50.419 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 10:28:50.419 INFO [stdout] 
Dec 13 10:28:51.241 INFO running `"docker" "inspect" "f17ade2851b13ae6ec88a7aa2d01c96a555de8c797ccc18908be5a04d5a9319f"`
Dec 13 10:28:51.564 INFO running `"docker" "rm" "-f" "f17ade2851b13ae6ec88a7aa2d01c96a555de8c797ccc18908be5a04d5a9319f"`
Dec 13 10:28:51.871 INFO [stdout] f17ade2851b13ae6ec88a7aa2d01c96a555de8c797ccc18908be5a04d5a9319f