Dec 12 01:50:45.837 INFO checking Lait-au-Cafe/change_rings against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:50:45.837 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 01:50:46.278 INFO [stdout] 56587318a3efe9b42fb79541d354e68984f90341caeb96e72666b26f579995c4
Dec 12 01:50:46.281 INFO running `"docker" "start" "-a" "56587318a3efe9b42fb79541d354e68984f90341caeb96e72666b26f579995c4"`
Dec 12 01:50:47.519 INFO [stderr] usermod: no changes
Dec 12 01:50:47.573 INFO [stderr]     Checking change_rings v0.1.0 (/source)
Dec 12 01:50:48.736 INFO [stderr] warning: function is never used: `display`
Dec 12 01:50:48.736 INFO [stderr]   --> src/node.rs:38:1
Dec 12 01:50:48.736 INFO [stderr]    |
Dec 12 01:50:48.736 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Dec 12 01:50:48.736 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:50:48.736 INFO [stderr]    |
Dec 12 01:50:48.736 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:50:48.736 INFO [stderr] 
Dec 12 01:50:48.736 INFO [stderr] warning: function is never used: `display2`
Dec 12 01:50:48.736 INFO [stderr]   --> src/node.rs:61:1
Dec 12 01:50:48.736 INFO [stderr]    |
Dec 12 01:50:48.736 INFO [stderr] 61 | / pub fn display2(
Dec 12 01:50:48.736 INFO [stderr] 62 | |     node_list: &NodeList, 
Dec 12 01:50:48.736 INFO [stderr] 63 | |     n: usize
Dec 12 01:50:48.736 INFO [stderr] 64 | | ) {
Dec 12 01:50:48.736 INFO [stderr] ...  |
Dec 12 01:50:48.736 INFO [stderr] 84 | |     }
Dec 12 01:50:48.736 INFO [stderr] 85 | | }
Dec 12 01:50:48.736 INFO [stderr]    | |_^
Dec 12 01:50:48.736 INFO [stderr] 
Dec 12 01:50:48.836 INFO [stderr] warning: function is never used: `display`
Dec 12 01:50:48.836 INFO [stderr]   --> src/node.rs:38:1
Dec 12 01:50:48.836 INFO [stderr]    |
Dec 12 01:50:48.836 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Dec 12 01:50:48.836 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:50:48.836 INFO [stderr]    |
Dec 12 01:50:48.836 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:50:48.836 INFO [stderr] 
Dec 12 01:50:48.836 INFO [stderr] warning: function is never used: `display2`
Dec 12 01:50:48.836 INFO [stderr]   --> src/node.rs:61:1
Dec 12 01:50:48.836 INFO [stderr]    |
Dec 12 01:50:48.836 INFO [stderr] 61 | / pub fn display2(
Dec 12 01:50:48.836 INFO [stderr] 62 | |     node_list: &NodeList, 
Dec 12 01:50:48.836 INFO [stderr] 63 | |     n: usize
Dec 12 01:50:48.836 INFO [stderr] 64 | | ) {
Dec 12 01:50:48.836 INFO [stderr] ...  |
Dec 12 01:50:48.836 INFO [stderr] 84 | |     }
Dec 12 01:50:48.836 INFO [stderr] 85 | | }
Dec 12 01:50:48.836 INFO [stderr]    | |_^
Dec 12 01:50:48.836 INFO [stderr] 
Dec 12 01:50:48.885 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 12 01:50:48.892 INFO [stderr] su: No module specific data is present
Dec 12 01:50:49.449 INFO running `"docker" "inspect" "56587318a3efe9b42fb79541d354e68984f90341caeb96e72666b26f579995c4"`
Dec 12 01:50:49.586 INFO running `"docker" "rm" "-f" "56587318a3efe9b42fb79541d354e68984f90341caeb96e72666b26f579995c4"`
Dec 12 01:50:49.736 INFO [stdout] 56587318a3efe9b42fb79541d354e68984f90341caeb96e72666b26f579995c4