Dec 14 08:37:13.348 INFO testing Lait-au-Cafe/change_rings against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 08:37:13.348 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 08:37:13.761 INFO [stdout] eb7008443b0529507acf26a9b562e29126fd26826996d91146119d96e02fe540
Dec 14 08:37:13.769 INFO running `"docker" "start" "-a" "eb7008443b0529507acf26a9b562e29126fd26826996d91146119d96e02fe540"`
Dec 14 08:37:15.127 INFO [stderr] usermod: no changes
Dec 14 08:37:15.219 INFO [stderr]    Compiling change_rings v0.1.0 (/source)
Dec 14 08:37:16.357 INFO [stderr] warning: function is never used: `display`
Dec 14 08:37:16.357 INFO [stderr]   --> src/node.rs:38:1
Dec 14 08:37:16.357 INFO [stderr]    |
Dec 14 08:37:16.357 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Dec 14 08:37:16.357 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:37:16.357 INFO [stderr]    |
Dec 14 08:37:16.357 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 08:37:16.357 INFO [stderr] 
Dec 14 08:37:16.357 INFO [stderr] warning: function is never used: `display2`
Dec 14 08:37:16.357 INFO [stderr]   --> src/node.rs:61:1
Dec 14 08:37:16.357 INFO [stderr]    |
Dec 14 08:37:16.357 INFO [stderr] 61 | / pub fn display2(
Dec 14 08:37:16.357 INFO [stderr] 62 | |     node_list: &NodeList, 
Dec 14 08:37:16.357 INFO [stderr] 63 | |     n: usize
Dec 14 08:37:16.357 INFO [stderr] 64 | | ) {
Dec 14 08:37:16.357 INFO [stderr] ...  |
Dec 14 08:37:16.357 INFO [stderr] 84 | |     }
Dec 14 08:37:16.357 INFO [stderr] 85 | | }
Dec 14 08:37:16.357 INFO [stderr]    | |_^
Dec 14 08:37:16.357 INFO [stderr] 
Dec 14 08:37:17.843 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
Dec 14 08:37:17.848 INFO [stderr] su: No module specific data is present
Dec 14 08:37:18.455 INFO running `"docker" "inspect" "eb7008443b0529507acf26a9b562e29126fd26826996d91146119d96e02fe540"`
Dec 14 08:37:18.965 INFO running `"docker" "rm" "-f" "eb7008443b0529507acf26a9b562e29126fd26826996d91146119d96e02fe540"`
Dec 14 08:37:19.266 INFO [stdout] eb7008443b0529507acf26a9b562e29126fd26826996d91146119d96e02fe540
Dec 14 08:37:19.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 08:37:19.651 INFO [stdout] 378505ab559afd8f5d4e63523b9dd6ecb80603211e881ec5379f630f74d80164
Dec 14 08:37:19.653 INFO running `"docker" "start" "-a" "378505ab559afd8f5d4e63523b9dd6ecb80603211e881ec5379f630f74d80164"`
Dec 14 08:37:20.531 INFO [stderr] usermod: no changes
Dec 14 08:37:20.579 INFO [stderr]    Compiling change_rings v0.1.0 (/source)
Dec 14 08:37:21.501 INFO [stderr] warning: function is never used: `display`
Dec 14 08:37:21.501 INFO [stderr]   --> src/node.rs:38:1
Dec 14 08:37:21.501 INFO [stderr]    |
Dec 14 08:37:21.501 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Dec 14 08:37:21.501 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:37:21.501 INFO [stderr]    |
Dec 14 08:37:21.501 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 08:37:21.501 INFO [stderr] 
Dec 14 08:37:21.501 INFO [stderr] warning: function is never used: `display2`
Dec 14 08:37:21.501 INFO [stderr]   --> src/node.rs:61:1
Dec 14 08:37:21.501 INFO [stderr]    |
Dec 14 08:37:21.501 INFO [stderr] 61 | / pub fn display2(
Dec 14 08:37:21.501 INFO [stderr] 62 | |     node_list: &NodeList, 
Dec 14 08:37:21.501 INFO [stderr] 63 | |     n: usize
Dec 14 08:37:21.501 INFO [stderr] 64 | | ) {
Dec 14 08:37:21.501 INFO [stderr] ...  |
Dec 14 08:37:21.501 INFO [stderr] 84 | |     }
Dec 14 08:37:21.501 INFO [stderr] 85 | | }
Dec 14 08:37:21.501 INFO [stderr]    | |_^
Dec 14 08:37:21.501 INFO [stderr] 
Dec 14 08:37:21.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 14 08:37:21.764 INFO [stderr] su: No module specific data is present
Dec 14 08:37:22.075 INFO running `"docker" "inspect" "378505ab559afd8f5d4e63523b9dd6ecb80603211e881ec5379f630f74d80164"`
Dec 14 08:37:22.170 INFO running `"docker" "rm" "-f" "378505ab559afd8f5d4e63523b9dd6ecb80603211e881ec5379f630f74d80164"`
Dec 14 08:37:22.282 INFO [stdout] 378505ab559afd8f5d4e63523b9dd6ecb80603211e881ec5379f630f74d80164
Dec 14 08:37:22.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 08:37:22.515 INFO [stdout] 6e146cb4123277abb00ca4042c0ede39555589410d07edc64a679536c77f18f4
Dec 14 08:37:22.516 INFO running `"docker" "start" "-a" "6e146cb4123277abb00ca4042c0ede39555589410d07edc64a679536c77f18f4"`
Dec 14 08:37:22.902 INFO [stderr] usermod: no changes
Dec 14 08:37:22.945 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 08:37:22.956 INFO [stderr]      Running /target/debug/deps/change_rings-3447740aa0f200c7
Dec 14 08:37:22.958 INFO [stdout] 
Dec 14 08:37:22.958 INFO [stdout] running 0 tests
Dec 14 08:37:22.958 INFO [stdout] 
Dec 14 08:37:22.958 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:37:22.958 INFO [stdout] 
Dec 14 08:37:22.960 INFO [stderr] su: No module specific data is present
Dec 14 08:37:23.263 INFO running `"docker" "inspect" "6e146cb4123277abb00ca4042c0ede39555589410d07edc64a679536c77f18f4"`
Dec 14 08:37:23.338 INFO running `"docker" "rm" "-f" "6e146cb4123277abb00ca4042c0ede39555589410d07edc64a679536c77f18f4"`
Dec 14 08:37:23.435 INFO [stdout] 6e146cb4123277abb00ca4042c0ede39555589410d07edc64a679536c77f18f4