Nov 16 19:30:36.765 INFO testing miyamofigo/lzw against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 19:30:36.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 19:30:37.095 INFO [stdout] 8c789d9de6abeef8d0cd3395be4582b0a37f4f473a3cf4a807b35f8d689c62b4
Nov 16 19:30:37.101 INFO running `"docker" "start" "-a" "8c789d9de6abeef8d0cd3395be4582b0a37f4f473a3cf4a807b35f8d689c62b4"`
Nov 16 19:30:37.491 INFO [stderr] usermod: no changes
Nov 16 19:30:37.513 INFO [stderr]    Compiling lzw v0.1.0 (/source)
Nov 16 19:30:37.743 INFO [stderr] warning: variable does not need to be mutable
Nov 16 19:30:37.744 INFO [stderr]    --> src/main.rs:115:9
Nov 16 19:30:37.744 INFO [stderr]     |
Nov 16 19:30:37.744 INFO [stderr] 115 |     let mut comp = compress("hello world");
Nov 16 19:30:37.744 INFO [stderr]     |         ----^^^^
Nov 16 19:30:37.744 INFO [stderr]     |         |
Nov 16 19:30:37.744 INFO [stderr]     |         help: remove this `mut`
Nov 16 19:30:37.744 INFO [stderr]     |
Nov 16 19:30:37.744 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 19:30:37.744 INFO [stderr] 
Nov 16 19:30:37.747 INFO [stderr] warning: variable does not need to be mutable
Nov 16 19:30:37.747 INFO [stderr]    --> src/main.rs:119:9
Nov 16 19:30:37.747 INFO [stderr]     |
Nov 16 19:30:37.747 INFO [stderr] 119 |     let mut comp2 = compress("hello worldhello world");
Nov 16 19:30:37.747 INFO [stderr]     |         ----^^^^^
Nov 16 19:30:37.747 INFO [stderr]     |         |
Nov 16 19:30:37.747 INFO [stderr]     |         help: remove this `mut`
Nov 16 19:30:37.747 INFO [stderr] 
Nov 16 19:30:38.903 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Nov 16 19:30:38.907 INFO [stderr] su: No module specific data is present
Nov 16 19:30:39.571 INFO running `"docker" "inspect" "8c789d9de6abeef8d0cd3395be4582b0a37f4f473a3cf4a807b35f8d689c62b4"`
Nov 16 19:30:39.837 INFO running `"docker" "rm" "-f" "8c789d9de6abeef8d0cd3395be4582b0a37f4f473a3cf4a807b35f8d689c62b4"`
Nov 16 19:30:40.086 INFO [stdout] 8c789d9de6abeef8d0cd3395be4582b0a37f4f473a3cf4a807b35f8d689c62b4
Nov 16 19:30:40.094 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 19:30:40.538 INFO [stdout] 531e46a12ab206364f38897d855fe41d3674ba70d34177028901cb0af3f6ec75
Nov 16 19:30:40.541 INFO running `"docker" "start" "-a" "531e46a12ab206364f38897d855fe41d3674ba70d34177028901cb0af3f6ec75"`
Nov 16 19:30:41.516 INFO [stderr] usermod: no changes
Nov 16 19:30:41.579 INFO [stderr]    Compiling lzw v0.1.0 (/source)
Nov 16 19:30:42.119 INFO [stderr] warning: variable does not need to be mutable
Nov 16 19:30:42.119 INFO [stderr]    --> src/main.rs:115:9
Nov 16 19:30:42.119 INFO [stderr]     |
Nov 16 19:30:42.119 INFO [stderr] 115 |     let mut comp = compress("hello world");
Nov 16 19:30:42.119 INFO [stderr]     |         ----^^^^
Nov 16 19:30:42.119 INFO [stderr]     |         |
Nov 16 19:30:42.119 INFO [stderr]     |         help: remove this `mut`
Nov 16 19:30:42.119 INFO [stderr]     |
Nov 16 19:30:42.119 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 19:30:42.119 INFO [stderr] 
Nov 16 19:30:42.119 INFO [stderr] warning: variable does not need to be mutable
Nov 16 19:30:42.119 INFO [stderr]    --> src/main.rs:119:9
Nov 16 19:30:42.119 INFO [stderr]     |
Nov 16 19:30:42.119 INFO [stderr] 119 |     let mut comp2 = compress("hello worldhello world");
Nov 16 19:30:42.119 INFO [stderr]     |         ----^^^^^
Nov 16 19:30:42.119 INFO [stderr]     |         |
Nov 16 19:30:42.119 INFO [stderr]     |         help: remove this `mut`
Nov 16 19:30:42.119 INFO [stderr] 
Nov 16 19:30:42.458 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Nov 16 19:30:42.467 INFO [stderr] su: No module specific data is present
Nov 16 19:30:43.235 INFO running `"docker" "inspect" "531e46a12ab206364f38897d855fe41d3674ba70d34177028901cb0af3f6ec75"`
Nov 16 19:30:43.513 INFO running `"docker" "rm" "-f" "531e46a12ab206364f38897d855fe41d3674ba70d34177028901cb0af3f6ec75"`
Nov 16 19:30:44.003 INFO [stdout] 531e46a12ab206364f38897d855fe41d3674ba70d34177028901cb0af3f6ec75
Nov 16 19:30:44.007 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 19:30:44.489 INFO [stdout] d301cb9c4744e01d52837f928526affed7f53e145e2c7cc9ad2af63c1aed8cc7
Nov 16 19:30:44.495 INFO running `"docker" "start" "-a" "d301cb9c4744e01d52837f928526affed7f53e145e2c7cc9ad2af63c1aed8cc7"`
Nov 16 19:30:45.784 INFO [stderr] usermod: no changes
Nov 16 19:30:45.855 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 16 19:30:45.867 INFO [stderr]      Running /target/debug/deps/lzw-2817f3642fe6b063
Nov 16 19:30:45.867 INFO [stdout] 
Nov 16 19:30:45.867 INFO [stdout] running 0 tests
Nov 16 19:30:45.867 INFO [stdout] 
Nov 16 19:30:45.867 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 19:30:45.867 INFO [stdout] 
Nov 16 19:30:45.868 INFO [stderr] su: No module specific data is present
Nov 16 19:30:46.867 INFO running `"docker" "inspect" "d301cb9c4744e01d52837f928526affed7f53e145e2c7cc9ad2af63c1aed8cc7"`
Nov 16 19:30:47.132 INFO running `"docker" "rm" "-f" "d301cb9c4744e01d52837f928526affed7f53e145e2c7cc9ad2af63c1aed8cc7"`
Nov 16 19:30:47.419 INFO [stdout] d301cb9c4744e01d52837f928526affed7f53e145e2c7cc9ad2af63c1aed8cc7