Dec 06 05:08:34.320 INFO testing bon-chi/tower_of_hanoi_in_rust against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 05:08:34.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05:08:34.459 INFO [stdout] 671141ebad1effa165fdd72dcf191295894b3a045ac21babf9f6ab4a32bd447f
Dec 06 05:08:34.461 INFO running `"docker" "start" "-a" "671141ebad1effa165fdd72dcf191295894b3a045ac21babf9f6ab4a32bd447f"`
Dec 06 05:08:34.912 INFO [stderr] usermod: no changes
Dec 06 05:08:34.938 INFO [stderr]    Compiling tower_of_hanoi_in_rust v0.1.0 (/source)
Dec 06 05:08:35.104 INFO [stderr] warning: variable does not need to be mutable
Dec 06 05:08:35.104 INFO [stderr]   --> src/main.rs:22:9
Dec 06 05:08:35.104 INFO [stderr]    |
Dec 06 05:08:35.104 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Dec 06 05:08:35.104 INFO [stderr]    |         ----^^^^^^^^^^
Dec 06 05:08:35.104 INFO [stderr]    |         |
Dec 06 05:08:35.104 INFO [stderr]    |         help: remove this `mut`
Dec 06 05:08:35.104 INFO [stderr]    |
Dec 06 05:08:35.104 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 05:08:35.104 INFO [stderr] 
Dec 06 05:08:35.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 06 05:08:35.369 INFO [stderr] su: No module specific data is present
Dec 06 05:08:35.667 INFO running `"docker" "inspect" "671141ebad1effa165fdd72dcf191295894b3a045ac21babf9f6ab4a32bd447f"`
Dec 06 05:08:35.743 INFO running `"docker" "rm" "-f" "671141ebad1effa165fdd72dcf191295894b3a045ac21babf9f6ab4a32bd447f"`
Dec 06 05:08:35.818 INFO [stdout] 671141ebad1effa165fdd72dcf191295894b3a045ac21babf9f6ab4a32bd447f
Dec 06 05:08:35.819 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05:08:35.988 INFO [stdout] 401fcd5761870bac4f807631a7bf0f23b152fc5b3e48c5b8423e1658d7b0c050
Dec 06 05:08:35.990 INFO running `"docker" "start" "-a" "401fcd5761870bac4f807631a7bf0f23b152fc5b3e48c5b8423e1658d7b0c050"`
Dec 06 05:08:36.377 INFO [stderr] usermod: no changes
Dec 06 05:08:36.412 INFO [stderr]    Compiling tower_of_hanoi_in_rust v0.1.0 (/source)
Dec 06 05:08:36.610 INFO [stderr] warning: variable does not need to be mutable
Dec 06 05:08:36.610 INFO [stderr]   --> src/main.rs:22:9
Dec 06 05:08:36.610 INFO [stderr]    |
Dec 06 05:08:36.610 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Dec 06 05:08:36.610 INFO [stderr]    |         ----^^^^^^^^^^
Dec 06 05:08:36.610 INFO [stderr]    |         |
Dec 06 05:08:36.610 INFO [stderr]    |         help: remove this `mut`
Dec 06 05:08:36.610 INFO [stderr]    |
Dec 06 05:08:36.610 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 05:08:36.611 INFO [stderr] 
Dec 06 05:08:36.843 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 06 05:08:36.846 INFO [stderr] su: No module specific data is present
Dec 06 05:08:37.093 INFO running `"docker" "inspect" "401fcd5761870bac4f807631a7bf0f23b152fc5b3e48c5b8423e1658d7b0c050"`
Dec 06 05:08:37.193 INFO running `"docker" "rm" "-f" "401fcd5761870bac4f807631a7bf0f23b152fc5b3e48c5b8423e1658d7b0c050"`
Dec 06 05:08:37.292 INFO [stdout] 401fcd5761870bac4f807631a7bf0f23b152fc5b3e48c5b8423e1658d7b0c050
Dec 06 05:08:37.294 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05:08:37.440 INFO [stdout] fa12755731c908389d248e1e24938afaf287ffe9e58aa4e868ecc6b37342fb8a
Dec 06 05:08:37.442 INFO running `"docker" "start" "-a" "fa12755731c908389d248e1e24938afaf287ffe9e58aa4e868ecc6b37342fb8a"`
Dec 06 05:08:37.868 INFO [stderr] usermod: no changes
Dec 06 05:08:37.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 05:08:37.911 INFO [stderr]      Running /target/debug/deps/tower_of_hanoi_in_rust-320028f801929f3f
Dec 06 05:08:37.915 INFO [stdout] 
Dec 06 05:08:37.915 INFO [stdout] running 0 tests
Dec 06 05:08:37.915 INFO [stdout] 
Dec 06 05:08:37.915 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 05:08:37.915 INFO [stdout] 
Dec 06 05:08:37.915 INFO [stderr] su: No module specific data is present
Dec 06 05:08:38.192 INFO running `"docker" "inspect" "fa12755731c908389d248e1e24938afaf287ffe9e58aa4e868ecc6b37342fb8a"`
Dec 06 05:08:38.254 INFO running `"docker" "rm" "-f" "fa12755731c908389d248e1e24938afaf287ffe9e58aa4e868ecc6b37342fb8a"`
Dec 06 05:08:38.322 INFO [stdout] fa12755731c908389d248e1e24938afaf287ffe9e58aa4e868ecc6b37342fb8a