Dec 01 00:50:56.826 INFO testing suelz/chapter_4 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 00:50:56.826 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 00:50:57.249 INFO [stdout] b33712e50adace45bfe8c216f85547d44b54c5395c6544377c95c0959b0e6d93
Dec 01 00:50:57.250 INFO running `"docker" "start" "-a" "b33712e50adace45bfe8c216f85547d44b54c5395c6544377c95c0959b0e6d93"`
Dec 01 00:50:58.495 INFO [stderr] usermod: no changes
Dec 01 00:50:58.563 INFO [stderr]    Compiling ch4 v0.1.0 (/source)
Dec 01 00:50:58.843 INFO [stderr] warning: unused variable: `word`
Dec 01 00:50:58.844 INFO [stderr]   --> src/main.rs:28:9
Dec 01 00:50:58.844 INFO [stderr]    |
Dec 01 00:50:58.845 INFO [stderr] 28 |     let word = first_word(&x);
Dec 01 00:50:58.845 INFO [stderr]    |         ^^^^ help: consider using `_word` instead
Dec 01 00:50:58.845 INFO [stderr]    |
Dec 01 00:50:58.846 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 00:50:58.846 INFO [stderr] 
Dec 01 00:50:58.846 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:50:58.846 INFO [stderr]   --> src/main.rs:26:9
Dec 01 00:50:58.847 INFO [stderr]    |
Dec 01 00:50:58.847 INFO [stderr] 26 |     let mut x = String::from("Conor Kennedy");
Dec 01 00:50:58.847 INFO [stderr]    |         ----^
Dec 01 00:50:58.848 INFO [stderr]    |         |
Dec 01 00:50:58.848 INFO [stderr]    |         help: remove this `mut`
Dec 01 00:50:58.848 INFO [stderr]    |
Dec 01 00:50:58.848 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:50:58.849 INFO [stderr] 
Dec 01 00:50:59.581 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 01 00:50:59.585 INFO [stderr] su: No module specific data is present
Dec 01 00:51:00.123 INFO running `"docker" "inspect" "b33712e50adace45bfe8c216f85547d44b54c5395c6544377c95c0959b0e6d93"`
Dec 01 00:51:00.377 INFO running `"docker" "rm" "-f" "b33712e50adace45bfe8c216f85547d44b54c5395c6544377c95c0959b0e6d93"`
Dec 01 00:51:00.671 INFO [stdout] b33712e50adace45bfe8c216f85547d44b54c5395c6544377c95c0959b0e6d93
Dec 01 00:51:00.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 00:51:01.189 INFO [stdout] 67bc567e36354ab2757f451774b30d25c04b5f43db5228af46ab862ef94c1218
Dec 01 00:51:01.197 INFO running `"docker" "start" "-a" "67bc567e36354ab2757f451774b30d25c04b5f43db5228af46ab862ef94c1218"`
Dec 01 00:51:02.570 INFO [stderr] usermod: no changes
Dec 01 00:51:02.667 INFO [stderr]    Compiling ch4 v0.1.0 (/source)
Dec 01 00:51:02.957 INFO [stderr] warning: unused variable: `word`
Dec 01 00:51:02.957 INFO [stderr]   --> src/main.rs:28:9
Dec 01 00:51:02.957 INFO [stderr]    |
Dec 01 00:51:02.957 INFO [stderr] 28 |     let word = first_word(&x);
Dec 01 00:51:02.957 INFO [stderr]    |         ^^^^ help: consider using `_word` instead
Dec 01 00:51:02.957 INFO [stderr]    |
Dec 01 00:51:02.957 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 00:51:02.957 INFO [stderr] 
Dec 01 00:51:02.957 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:51:02.957 INFO [stderr]   --> src/main.rs:26:9
Dec 01 00:51:02.957 INFO [stderr]    |
Dec 01 00:51:02.957 INFO [stderr] 26 |     let mut x = String::from("Conor Kennedy");
Dec 01 00:51:02.957 INFO [stderr]    |         ----^
Dec 01 00:51:02.957 INFO [stderr]    |         |
Dec 01 00:51:02.957 INFO [stderr]    |         help: remove this `mut`
Dec 01 00:51:02.957 INFO [stderr]    |
Dec 01 00:51:02.957 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:51:02.957 INFO [stderr] 
Dec 01 00:51:03.508 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 01 00:51:03.523 INFO [stderr] su: No module specific data is present
Dec 01 00:51:04.261 INFO running `"docker" "inspect" "67bc567e36354ab2757f451774b30d25c04b5f43db5228af46ab862ef94c1218"`
Dec 01 00:51:04.673 INFO running `"docker" "rm" "-f" "67bc567e36354ab2757f451774b30d25c04b5f43db5228af46ab862ef94c1218"`
Dec 01 00:51:05.238 INFO [stdout] 67bc567e36354ab2757f451774b30d25c04b5f43db5228af46ab862ef94c1218
Dec 01 00:51:05.247 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 00:51:05.839 INFO [stdout] 469df08013a07bddc7801fb008c2ae86ad8a56980360cd164c5c5fb704e477cc
Dec 01 00:51:05.847 INFO running `"docker" "start" "-a" "469df08013a07bddc7801fb008c2ae86ad8a56980360cd164c5c5fb704e477cc"`
Dec 01 00:51:07.179 INFO [stderr] usermod: no changes
Dec 01 00:51:07.215 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 01 00:51:07.229 INFO [stderr]      Running /target/debug/deps/ch4-8c83e5394571256a
Dec 01 00:51:07.234 INFO [stdout] 
Dec 01 00:51:07.234 INFO [stdout] running 0 tests
Dec 01 00:51:07.234 INFO [stdout] 
Dec 01 00:51:07.234 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 00:51:07.234 INFO [stdout] 
Dec 01 00:51:07.239 INFO [stderr] su: No module specific data is present
Dec 01 00:51:07.775 INFO running `"docker" "inspect" "469df08013a07bddc7801fb008c2ae86ad8a56980360cd164c5c5fb704e477cc"`
Dec 01 00:51:08.106 INFO running `"docker" "rm" "-f" "469df08013a07bddc7801fb008c2ae86ad8a56980360cd164c5c5fb704e477cc"`
Dec 01 00:51:08.418 INFO [stdout] 469df08013a07bddc7801fb008c2ae86ad8a56980360cd164c5c5fb704e477cc
