Dec 02 09:09:51.347 INFO testing Bkindmonk/RustPractice against 1.30.1 for beta-1.31-5
Dec 02 09:09:51.347 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 09:09:51.828 INFO [stdout] f3dc5e4d06c2b6e08675d595007b190b5ff6c8a080e2104f7ce8681c23fc8b1f
Dec 02 09:09:51.831 INFO running `"docker" "start" "-a" "f3dc5e4d06c2b6e08675d595007b190b5ff6c8a080e2104f7ce8681c23fc8b1f"`
Dec 02 09:09:53.561 INFO [stderr] usermod: no changes
Dec 02 09:09:53.655 INFO [stderr]    Compiling mergesort v0.1.0 (/source)
Dec 02 09:09:54.358 INFO [stderr] warning: variable does not need to be mutable
Dec 02 09:09:54.358 INFO [stderr]   --> src/main.rs:91:13
Dec 02 09:09:54.358 INFO [stderr]    |
Dec 02 09:09:54.358 INFO [stderr] 91 |         let mut realhalves = (*real).split_at_mut(halflength);
Dec 02 09:09:54.358 INFO [stderr]    |             ----^^^^^^^^^^
Dec 02 09:09:54.358 INFO [stderr]    |             |
Dec 02 09:09:54.358 INFO [stderr]    |             help: remove this `mut`
Dec 02 09:09:54.358 INFO [stderr]    |
Dec 02 09:09:54.358 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 09:09:54.358 INFO [stderr] 
Dec 02 09:09:54.358 INFO [stderr] warning: variable does not need to be mutable
Dec 02 09:09:54.358 INFO [stderr]   --> src/main.rs:92:13
Dec 02 09:09:54.358 INFO [stderr]    |
Dec 02 09:09:54.358 INFO [stderr] 92 |         let mut scratchhalves = (*scratch).split_at_mut(halflength);
Dec 02 09:09:54.358 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 02 09:09:54.358 INFO [stderr]    |             |
Dec 02 09:09:54.358 INFO [stderr]    |             help: remove this `mut`
Dec 02 09:09:54.374 INFO [stderr] 
Dec 02 09:09:55.156 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Dec 02 09:09:55.159 INFO [stderr] su: No module specific data is present
Dec 02 09:09:55.668 INFO running `"docker" "inspect" "f3dc5e4d06c2b6e08675d595007b190b5ff6c8a080e2104f7ce8681c23fc8b1f"`
Dec 02 09:09:55.925 INFO running `"docker" "rm" "-f" "f3dc5e4d06c2b6e08675d595007b190b5ff6c8a080e2104f7ce8681c23fc8b1f"`
Dec 02 09:09:56.129 INFO [stdout] f3dc5e4d06c2b6e08675d595007b190b5ff6c8a080e2104f7ce8681c23fc8b1f
Dec 02 09:09:56.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 09:09:56.523 INFO [stdout] e0a8046fe6abcc298434e4df6fbd901d72035e7d1df149a5121585c1520cf3ed
Dec 02 09:09:56.528 INFO running `"docker" "start" "-a" "e0a8046fe6abcc298434e4df6fbd901d72035e7d1df149a5121585c1520cf3ed"`
Dec 02 09:09:57.603 INFO [stderr] usermod: no changes
Dec 02 09:09:57.642 INFO [stderr]    Compiling mergesort v0.1.0 (/source)
Dec 02 09:09:58.519 INFO [stderr] warning: variable does not need to be mutable
Dec 02 09:09:58.519 INFO [stderr]   --> src/main.rs:91:13
Dec 02 09:09:58.519 INFO [stderr]    |
Dec 02 09:09:58.519 INFO [stderr] 91 |         let mut realhalves = (*real).split_at_mut(halflength);
Dec 02 09:09:58.519 INFO [stderr]    |             ----^^^^^^^^^^
Dec 02 09:09:58.519 INFO [stderr]    |             |
Dec 02 09:09:58.519 INFO [stderr]    |             help: remove this `mut`
Dec 02 09:09:58.519 INFO [stderr]    |
Dec 02 09:09:58.519 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 09:09:58.519 INFO [stderr] 
Dec 02 09:09:58.519 INFO [stderr] warning: variable does not need to be mutable
Dec 02 09:09:58.519 INFO [stderr]   --> src/main.rs:92:13
Dec 02 09:09:58.519 INFO [stderr]    |
Dec 02 09:09:58.519 INFO [stderr] 92 |         let mut scratchhalves = (*scratch).split_at_mut(halflength);
Dec 02 09:09:58.519 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 02 09:09:58.519 INFO [stderr]    |             |
Dec 02 09:09:58.519 INFO [stderr]    |             help: remove this `mut`
Dec 02 09:09:58.519 INFO [stderr] 
Dec 02 09:09:59.052 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 02 09:09:59.054 INFO [stderr] su: No module specific data is present
Dec 02 09:09:59.971 INFO running `"docker" "inspect" "e0a8046fe6abcc298434e4df6fbd901d72035e7d1df149a5121585c1520cf3ed"`
Dec 02 09:10:00.244 INFO running `"docker" "rm" "-f" "e0a8046fe6abcc298434e4df6fbd901d72035e7d1df149a5121585c1520cf3ed"`
Dec 02 09:10:00.523 INFO [stdout] e0a8046fe6abcc298434e4df6fbd901d72035e7d1df149a5121585c1520cf3ed
Dec 02 09:10:00.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 09:10:00.904 INFO [stdout] 77ac7151d0d40996077fcf48e61d810e9ebfe537a2d4616b900158ddcdaf4795
Dec 02 09:10:00.906 INFO running `"docker" "start" "-a" "77ac7151d0d40996077fcf48e61d810e9ebfe537a2d4616b900158ddcdaf4795"`
Dec 02 09:10:02.062 INFO [stderr] usermod: no changes
Dec 02 09:10:02.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 02 09:10:02.119 INFO [stderr]      Running /target/debug/deps/mergesort-91de70ee95c77463
Dec 02 09:10:02.119 INFO [stderr] su: No module specific data is present
Dec 02 09:10:02.119 INFO [stdout] 
Dec 02 09:10:02.119 INFO [stdout] running 0 tests
Dec 02 09:10:02.119 INFO [stdout] 
Dec 02 09:10:02.119 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 09:10:02.119 INFO [stdout] 
Dec 02 09:10:02.884 INFO running `"docker" "inspect" "77ac7151d0d40996077fcf48e61d810e9ebfe537a2d4616b900158ddcdaf4795"`
Dec 02 09:10:03.106 INFO running `"docker" "rm" "-f" "77ac7151d0d40996077fcf48e61d810e9ebfe537a2d4616b900158ddcdaf4795"`
Dec 02 09:10:03.414 INFO [stdout] 77ac7151d0d40996077fcf48e61d810e9ebfe537a2d4616b900158ddcdaf4795
