Nov 28 12:34:51.722 INFO checking Lait-au-Cafe/change_rings against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 12:34:51.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 12:34:52.026 INFO [stdout] 0e2efe32f4af35f7a99fd229b8eec749053d1693a7b7cdc7f06a3affa1e529d0
Nov 28 12:34:52.030 INFO running `"docker" "start" "-a" "0e2efe32f4af35f7a99fd229b8eec749053d1693a7b7cdc7f06a3affa1e529d0"`
Nov 28 12:34:52.695 INFO [stderr] usermod: no changes
Nov 28 12:34:52.752 INFO [stderr]     Checking change_rings v0.1.0 (/source)
Nov 28 12:34:54.078 INFO [stderr] warning: function is never used: `display`
Nov 28 12:34:54.078 INFO [stderr]   --> src/node.rs:38:1
Nov 28 12:34:54.078 INFO [stderr]    |
Nov 28 12:34:54.078 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Nov 28 12:34:54.078 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:34:54.078 INFO [stderr]    |
Nov 28 12:34:54.078 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:34:54.078 INFO [stderr] 
Nov 28 12:34:54.078 INFO [stderr] warning: function is never used: `display2`
Nov 28 12:34:54.078 INFO [stderr]   --> src/node.rs:61:1
Nov 28 12:34:54.078 INFO [stderr]    |
Nov 28 12:34:54.078 INFO [stderr] 61 | / pub fn display2(
Nov 28 12:34:54.078 INFO [stderr] 62 | |     node_list: &NodeList, 
Nov 28 12:34:54.078 INFO [stderr] 63 | |     n: usize
Nov 28 12:34:54.078 INFO [stderr] 64 | | ) {
Nov 28 12:34:54.078 INFO [stderr] ...  |
Nov 28 12:34:54.078 INFO [stderr] 84 | |     }
Nov 28 12:34:54.078 INFO [stderr] 85 | | }
Nov 28 12:34:54.078 INFO [stderr]    | |_^
Nov 28 12:34:54.078 INFO [stderr] 
Nov 28 12:34:54.105 INFO [stderr] warning: function is never used: `display`
Nov 28 12:34:54.105 INFO [stderr]   --> src/node.rs:38:1
Nov 28 12:34:54.105 INFO [stderr]    |
Nov 28 12:34:54.105 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Nov 28 12:34:54.105 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:34:54.105 INFO [stderr]    |
Nov 28 12:34:54.105 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:34:54.105 INFO [stderr] 
Nov 28 12:34:54.105 INFO [stderr] warning: function is never used: `display2`
Nov 28 12:34:54.105 INFO [stderr]   --> src/node.rs:61:1
Nov 28 12:34:54.105 INFO [stderr]    |
Nov 28 12:34:54.105 INFO [stderr] 61 | / pub fn display2(
Nov 28 12:34:54.105 INFO [stderr] 62 | |     node_list: &NodeList, 
Nov 28 12:34:54.105 INFO [stderr] 63 | |     n: usize
Nov 28 12:34:54.105 INFO [stderr] 64 | | ) {
Nov 28 12:34:54.105 INFO [stderr] ...  |
Nov 28 12:34:54.105 INFO [stderr] 84 | |     }
Nov 28 12:34:54.105 INFO [stderr] 85 | | }
Nov 28 12:34:54.105 INFO [stderr]    | |_^
Nov 28 12:34:54.105 INFO [stderr] 
Nov 28 12:34:54.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 28 12:34:54.119 INFO [stderr] su: No module specific data is present
Nov 28 12:34:54.347 INFO running `"docker" "inspect" "0e2efe32f4af35f7a99fd229b8eec749053d1693a7b7cdc7f06a3affa1e529d0"`
Nov 28 12:34:54.471 INFO running `"docker" "rm" "-f" "0e2efe32f4af35f7a99fd229b8eec749053d1693a7b7cdc7f06a3affa1e529d0"`
Nov 28 12:34:54.593 INFO [stdout] 0e2efe32f4af35f7a99fd229b8eec749053d1693a7b7cdc7f06a3affa1e529d0