Dec 14 08:37:13.260 INFO testing Lait-au-Cafe/change_rings against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 08:37:13.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 08:37:13.651 INFO [stdout] 8564386ff444b28f82301786f7ffbd3f8c01986bcc098384be0352e3359af312
Dec 14 08:37:13.655 INFO running `"docker" "start" "-a" "8564386ff444b28f82301786f7ffbd3f8c01986bcc098384be0352e3359af312"`
Dec 14 08:37:14.694 INFO [stderr] usermod: no changes
Dec 14 08:37:14.787 INFO [stderr]    Compiling change_rings v0.1.0 (/source)
Dec 14 08:37:15.811 INFO [stderr] warning: function is never used: `display`
Dec 14 08:37:15.811 INFO [stderr]   --> src/node.rs:38:1
Dec 14 08:37:15.811 INFO [stderr]    |
Dec 14 08:37:15.811 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Dec 14 08:37:15.811 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:37:15.811 INFO [stderr]    |
Dec 14 08:37:15.811 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 08:37:15.811 INFO [stderr] 
Dec 14 08:37:15.811 INFO [stderr] warning: function is never used: `display2`
Dec 14 08:37:15.811 INFO [stderr]   --> src/node.rs:61:1
Dec 14 08:37:15.811 INFO [stderr]    |
Dec 14 08:37:15.811 INFO [stderr] 61 | / pub fn display2(
Dec 14 08:37:15.811 INFO [stderr] 62 | |     node_list: &NodeList, 
Dec 14 08:37:15.811 INFO [stderr] 63 | |     n: usize
Dec 14 08:37:15.811 INFO [stderr] 64 | | ) {
Dec 14 08:37:15.811 INFO [stderr] ...  |
Dec 14 08:37:15.812 INFO [stderr] 84 | |     }
Dec 14 08:37:15.812 INFO [stderr] 85 | | }
Dec 14 08:37:15.812 INFO [stderr]    | |_^
Dec 14 08:37:15.812 INFO [stderr] 
Dec 14 08:37:17.379 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
Dec 14 08:37:17.379 INFO [stderr] su: No module specific data is present
Dec 14 08:37:18.091 INFO running `"docker" "inspect" "8564386ff444b28f82301786f7ffbd3f8c01986bcc098384be0352e3359af312"`
Dec 14 08:37:18.383 INFO running `"docker" "rm" "-f" "8564386ff444b28f82301786f7ffbd3f8c01986bcc098384be0352e3359af312"`
Dec 14 08:37:18.651 INFO [stdout] 8564386ff444b28f82301786f7ffbd3f8c01986bcc098384be0352e3359af312
Dec 14 08:37:18.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 08:37:19.045 INFO [stdout] 5b7b4453d3c4706bf2d49b5d18b29b439eeea339e5667e6c5bc8b8a49fb1effc
Dec 14 08:37:19.051 INFO running `"docker" "start" "-a" "5b7b4453d3c4706bf2d49b5d18b29b439eeea339e5667e6c5bc8b8a49fb1effc"`
Dec 14 08:37:19.906 INFO [stderr] usermod: no changes
Dec 14 08:37:19.947 INFO [stderr]    Compiling change_rings v0.1.0 (/source)
Dec 14 08:37:20.871 INFO [stderr] warning: function is never used: `display`
Dec 14 08:37:20.871 INFO [stderr]   --> src/node.rs:38:1
Dec 14 08:37:20.871 INFO [stderr]    |
Dec 14 08:37:20.871 INFO [stderr] 38 | pub fn display(node_list: NodeList) {
Dec 14 08:37:20.871 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:37:20.871 INFO [stderr]    |
Dec 14 08:37:20.871 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 08:37:20.871 INFO [stderr] 
Dec 14 08:37:20.871 INFO [stderr] warning: function is never used: `display2`
Dec 14 08:37:20.871 INFO [stderr]   --> src/node.rs:61:1
Dec 14 08:37:20.871 INFO [stderr]    |
Dec 14 08:37:20.871 INFO [stderr] 61 | / pub fn display2(
Dec 14 08:37:20.871 INFO [stderr] 62 | |     node_list: &NodeList, 
Dec 14 08:37:20.871 INFO [stderr] 63 | |     n: usize
Dec 14 08:37:20.871 INFO [stderr] 64 | | ) {
Dec 14 08:37:20.871 INFO [stderr] ...  |
Dec 14 08:37:20.871 INFO [stderr] 84 | |     }
Dec 14 08:37:20.871 INFO [stderr] 85 | | }
Dec 14 08:37:20.871 INFO [stderr]    | |_^
Dec 14 08:37:20.871 INFO [stderr] 
Dec 14 08:37:21.119 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 14 08:37:21.125 INFO [stderr] su: No module specific data is present
Dec 14 08:37:21.392 INFO running `"docker" "inspect" "5b7b4453d3c4706bf2d49b5d18b29b439eeea339e5667e6c5bc8b8a49fb1effc"`
Dec 14 08:37:21.505 INFO running `"docker" "rm" "-f" "5b7b4453d3c4706bf2d49b5d18b29b439eeea339e5667e6c5bc8b8a49fb1effc"`
Dec 14 08:37:21.634 INFO [stdout] 5b7b4453d3c4706bf2d49b5d18b29b439eeea339e5667e6c5bc8b8a49fb1effc
Dec 14 08:37:21.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 08:37:21.925 INFO [stdout] 7ba9d5d6ee0c556733492c100847f5a218db7f6c03bdefb3686cdb04f4e39d0f
Dec 14 08:37:21.929 INFO running `"docker" "start" "-a" "7ba9d5d6ee0c556733492c100847f5a218db7f6c03bdefb3686cdb04f4e39d0f"`
Dec 14 08:37:22.441 INFO [stderr] usermod: no changes
Dec 14 08:37:22.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 08:37:22.515 INFO [stderr]      Running /target/debug/deps/change_rings-2f940b0548fd81b7
Dec 14 08:37:22.515 INFO [stderr] su: No module specific data is present
Dec 14 08:37:22.515 INFO [stdout] 
Dec 14 08:37:22.515 INFO [stdout] running 0 tests
Dec 14 08:37:22.515 INFO [stdout] 
Dec 14 08:37:22.515 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:37:22.516 INFO [stdout] 
Dec 14 08:37:22.807 INFO running `"docker" "inspect" "7ba9d5d6ee0c556733492c100847f5a218db7f6c03bdefb3686cdb04f4e39d0f"`
Dec 14 08:37:22.893 INFO running `"docker" "rm" "-f" "7ba9d5d6ee0c556733492c100847f5a218db7f6c03bdefb3686cdb04f4e39d0f"`
Dec 14 08:37:22.991 INFO [stdout] 7ba9d5d6ee0c556733492c100847f5a218db7f6c03bdefb3686cdb04f4e39d0f