Dec 14 01:01:31.746 INFO testing bon-chi/tower_of_hanoi_in_rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 01:01:31.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 01:01:32.085 INFO [stdout] b084a2926d7eb6571019ea032ec520997a8d4100e1e3ffdb391a5c1b1dc4c7df
Dec 14 01:01:32.086 INFO running `"docker" "start" "-a" "b084a2926d7eb6571019ea032ec520997a8d4100e1e3ffdb391a5c1b1dc4c7df"`
Dec 14 01:01:32.963 INFO [stderr] usermod: no changes
Dec 14 01:01:33.001 INFO [stderr]    Compiling tower_of_hanoi_in_rust v0.1.0 (/source)
Dec 14 01:01:33.380 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:01:33.380 INFO [stderr]   --> src/main.rs:22:9
Dec 14 01:01:33.380 INFO [stderr]    |
Dec 14 01:01:33.380 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Dec 14 01:01:33.380 INFO [stderr]    |         ----^^^^^^^^^^
Dec 14 01:01:33.380 INFO [stderr]    |         |
Dec 14 01:01:33.380 INFO [stderr]    |         help: remove this `mut`
Dec 14 01:01:33.380 INFO [stderr]    |
Dec 14 01:01:33.380 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 01:01:33.380 INFO [stderr] 
Dec 14 01:01:33.805 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 14 01:01:33.815 INFO [stderr] su: No module specific data is present
Dec 14 01:01:34.441 INFO running `"docker" "inspect" "b084a2926d7eb6571019ea032ec520997a8d4100e1e3ffdb391a5c1b1dc4c7df"`
Dec 14 01:01:34.631 INFO running `"docker" "rm" "-f" "b084a2926d7eb6571019ea032ec520997a8d4100e1e3ffdb391a5c1b1dc4c7df"`
Dec 14 01:01:34.956 INFO [stdout] b084a2926d7eb6571019ea032ec520997a8d4100e1e3ffdb391a5c1b1dc4c7df
Dec 14 01:01:34.963 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 01:01:35.355 INFO [stdout] 73122616bf5519664a4dc0fb7398d36dad4cf97f7f47576ca59ebd44668b744f
Dec 14 01:01:35.357 INFO running `"docker" "start" "-a" "73122616bf5519664a4dc0fb7398d36dad4cf97f7f47576ca59ebd44668b744f"`
Dec 14 01:01:36.079 INFO [stderr] usermod: no changes
Dec 14 01:01:36.151 INFO [stderr]    Compiling tower_of_hanoi_in_rust v0.1.0 (/source)
Dec 14 01:01:36.586 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:01:36.586 INFO [stderr]   --> src/main.rs:22:9
Dec 14 01:01:36.586 INFO [stderr]    |
Dec 14 01:01:36.586 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Dec 14 01:01:36.586 INFO [stderr]    |         ----^^^^^^^^^^
Dec 14 01:01:36.586 INFO [stderr]    |         |
Dec 14 01:01:36.586 INFO [stderr]    |         help: remove this `mut`
Dec 14 01:01:36.586 INFO [stderr]    |
Dec 14 01:01:36.586 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 01:01:36.586 INFO [stderr] 
Dec 14 01:01:36.828 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 14 01:01:36.830 INFO [stderr] su: No module specific data is present
Dec 14 01:01:37.299 INFO running `"docker" "inspect" "73122616bf5519664a4dc0fb7398d36dad4cf97f7f47576ca59ebd44668b744f"`
Dec 14 01:01:37.617 INFO running `"docker" "rm" "-f" "73122616bf5519664a4dc0fb7398d36dad4cf97f7f47576ca59ebd44668b744f"`
Dec 14 01:01:37.855 INFO [stdout] 73122616bf5519664a4dc0fb7398d36dad4cf97f7f47576ca59ebd44668b744f
Dec 14 01:01:37.856 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 01:01:38.259 INFO [stdout] 98c544c89a66186992bd2e647efb6a7a846cce92dbfdce9a665f983e48257659
Dec 14 01:01:38.261 INFO running `"docker" "start" "-a" "98c544c89a66186992bd2e647efb6a7a846cce92dbfdce9a665f983e48257659"`
Dec 14 01:01:39.376 INFO [stderr] usermod: no changes
Dec 14 01:01:39.410 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 01:01:39.410 INFO [stderr]      Running /target/debug/deps/tower_of_hanoi_in_rust-bfb0be4797bd9703
Dec 14 01:01:39.412 INFO [stdout] 
Dec 14 01:01:39.413 INFO [stdout] running 0 tests
Dec 14 01:01:39.413 INFO [stdout] 
Dec 14 01:01:39.413 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 01:01:39.413 INFO [stdout] 
Dec 14 01:01:39.418 INFO [stderr] su: No module specific data is present
Dec 14 01:01:39.821 INFO running `"docker" "inspect" "98c544c89a66186992bd2e647efb6a7a846cce92dbfdce9a665f983e48257659"`
Dec 14 01:01:39.919 INFO running `"docker" "rm" "-f" "98c544c89a66186992bd2e647efb6a7a846cce92dbfdce9a665f983e48257659"`
Dec 14 01:01:40.048 INFO [stdout] 98c544c89a66186992bd2e647efb6a7a846cce92dbfdce9a665f983e48257659