Dec 06 05:08:30.919 INFO testing bon-chi/tower_of_hanoi_in_rust against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 05:08:30.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 05:08:31.264 INFO [stdout] 897ca9e9833cc64fab1ba810bdb09e9b67a264d6d29acce1341cc2170b6e0803
Dec 06 05:08:31.270 INFO running `"docker" "start" "-a" "897ca9e9833cc64fab1ba810bdb09e9b67a264d6d29acce1341cc2170b6e0803"`
Dec 06 05:08:32.721 INFO [stderr] usermod: no changes
Dec 06 05:08:32.764 INFO [stderr]    Compiling tower_of_hanoi_in_rust v0.1.0 (/source)
Dec 06 05:08:33.192 INFO [stderr] warning: variable does not need to be mutable
Dec 06 05:08:33.192 INFO [stderr]   --> src/main.rs:22:9
Dec 06 05:08:33.192 INFO [stderr]    |
Dec 06 05:08:33.192 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Dec 06 05:08:33.192 INFO [stderr]    |         ----^^^^^^^^^^
Dec 06 05:08:33.192 INFO [stderr]    |         |
Dec 06 05:08:33.192 INFO [stderr]    |         help: remove this `mut`
Dec 06 05:08:33.192 INFO [stderr]    |
Dec 06 05:08:33.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 05:08:33.192 INFO [stderr] 
Dec 06 05:08:33.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 06 05:08:33.533 INFO [stderr] su: No module specific data is present
Dec 06 05:08:33.813 INFO running `"docker" "inspect" "897ca9e9833cc64fab1ba810bdb09e9b67a264d6d29acce1341cc2170b6e0803"`
Dec 06 05:08:33.895 INFO running `"docker" "rm" "-f" "897ca9e9833cc64fab1ba810bdb09e9b67a264d6d29acce1341cc2170b6e0803"`
Dec 06 05:08:34.002 INFO [stdout] 897ca9e9833cc64fab1ba810bdb09e9b67a264d6d29acce1341cc2170b6e0803
Dec 06 05:08:34.004 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 05:08:34.185 INFO [stdout] da7e07d590df80c1bad6b20aae3c9ee75f8c2c480ea657efba7ec824be968957
Dec 06 05:08:34.190 INFO running `"docker" "start" "-a" "da7e07d590df80c1bad6b20aae3c9ee75f8c2c480ea657efba7ec824be968957"`
Dec 06 05:08:34.556 INFO [stderr] usermod: no changes
Dec 06 05:08:34.585 INFO [stderr]    Compiling tower_of_hanoi_in_rust v0.1.0 (/source)
Dec 06 05:08:35.012 INFO [stderr] warning: variable does not need to be mutable
Dec 06 05:08:35.012 INFO [stderr]   --> src/main.rs:22:9
Dec 06 05:08:35.012 INFO [stderr]    |
Dec 06 05:08:35.012 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Dec 06 05:08:35.012 INFO [stderr]    |         ----^^^^^^^^^^
Dec 06 05:08:35.012 INFO [stderr]    |         |
Dec 06 05:08:35.012 INFO [stderr]    |         help: remove this `mut`
Dec 06 05:08:35.012 INFO [stderr]    |
Dec 06 05:08:35.012 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 05:08:35.012 INFO [stderr] 
Dec 06 05:08:35.206 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 06 05:08:35.212 INFO [stderr] su: No module specific data is present
Dec 06 05:08:35.517 INFO running `"docker" "inspect" "da7e07d590df80c1bad6b20aae3c9ee75f8c2c480ea657efba7ec824be968957"`
Dec 06 05:08:35.599 INFO running `"docker" "rm" "-f" "da7e07d590df80c1bad6b20aae3c9ee75f8c2c480ea657efba7ec824be968957"`
Dec 06 05:08:35.697 INFO [stdout] da7e07d590df80c1bad6b20aae3c9ee75f8c2c480ea657efba7ec824be968957
Dec 06 05:08:35.699 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 05:08:35.861 INFO [stdout] 66ba01fc20161a5b280ee738a698a4abf679fd008afe5c3bf03b1b4ab50be62b
Dec 06 05:08:35.863 INFO running `"docker" "start" "-a" "66ba01fc20161a5b280ee738a698a4abf679fd008afe5c3bf03b1b4ab50be62b"`
Dec 06 05:08:36.253 INFO [stderr] usermod: no changes
Dec 06 05:08:36.278 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 05:08:36.278 INFO [stderr]      Running /target/debug/deps/tower_of_hanoi_in_rust-0cdad2472fd111a0
Dec 06 05:08:36.280 INFO [stdout] 
Dec 06 05:08:36.280 INFO [stdout] running 0 tests
Dec 06 05:08:36.280 INFO [stdout] 
Dec 06 05:08:36.280 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 05:08:36.280 INFO [stdout] 
Dec 06 05:08:36.282 INFO [stderr] su: No module specific data is present
Dec 06 05:08:36.589 INFO running `"docker" "inspect" "66ba01fc20161a5b280ee738a698a4abf679fd008afe5c3bf03b1b4ab50be62b"`
Dec 06 05:08:36.686 INFO running `"docker" "rm" "-f" "66ba01fc20161a5b280ee738a698a4abf679fd008afe5c3bf03b1b4ab50be62b"`
Dec 06 05:08:36.777 INFO [stdout] 66ba01fc20161a5b280ee738a698a4abf679fd008afe5c3bf03b1b4ab50be62b