Dec 14 13:34:25.532 INFO testing x-923-0.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 13:34:25.532 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13:34:25.706 INFO [stdout] 21c2d5945d2125216f44f61f61df0ad8157a8566f0eada5e78e831f2497e8004
Dec 14 13:34:25.708 INFO running `"docker" "start" "-a" "21c2d5945d2125216f44f61f61df0ad8157a8566f0eada5e78e831f2497e8004"`
Dec 14 13:34:26.430 INFO [stderr] usermod: no changes
Dec 14 13:34:26.512 INFO [stderr]    Compiling x-923 v0.1.2 (/source)
Dec 14 13:34:26.955 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:34:26.955 INFO [stderr]   --> src/lib.rs:20:19
Dec 14 13:34:26.955 INFO [stderr]    |
Dec 14 13:34:26.955 INFO [stderr] 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Dec 14 13:34:26.955 INFO [stderr]    |                   ----^^^^^^
Dec 14 13:34:26.955 INFO [stderr]    |                   |
Dec 14 13:34:26.955 INFO [stderr]    |                   help: remove this `mut`
Dec 14 13:34:26.955 INFO [stderr]    |
Dec 14 13:34:26.959 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 13:34:26.959 INFO [stderr] 
Dec 14 13:34:26.959 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:34:26.959 INFO [stderr]   --> src/lib.rs:31:22
Dec 14 13:34:26.959 INFO [stderr]    |
Dec 14 13:34:26.959 INFO [stderr] 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Dec 14 13:34:26.959 INFO [stderr]    |                      ----^^^^^^
Dec 14 13:34:26.959 INFO [stderr]    |                      |
Dec 14 13:34:26.959 INFO [stderr]    |                      help: remove this `mut`
Dec 14 13:34:26.959 INFO [stderr] 
Dec 14 13:34:27.173 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 14 13:34:27.176 INFO [stderr] su: No module specific data is present
Dec 14 13:34:27.665 INFO running `"docker" "inspect" "21c2d5945d2125216f44f61f61df0ad8157a8566f0eada5e78e831f2497e8004"`
Dec 14 13:34:27.812 INFO running `"docker" "rm" "-f" "21c2d5945d2125216f44f61f61df0ad8157a8566f0eada5e78e831f2497e8004"`
Dec 14 13:34:27.962 INFO [stdout] 21c2d5945d2125216f44f61f61df0ad8157a8566f0eada5e78e831f2497e8004
Dec 14 13:34:27.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13:34:28.337 INFO [stdout] 58fc7d44d9f195f2f542c0664be80523bc6ca69b9a797b0f16e821a48791295f
Dec 14 13:34:28.340 INFO running `"docker" "start" "-a" "58fc7d44d9f195f2f542c0664be80523bc6ca69b9a797b0f16e821a48791295f"`
Dec 14 13:34:29.263 INFO [stderr] usermod: no changes
Dec 14 13:34:29.347 INFO [stderr]    Compiling x-923 v0.1.2 (/source)
Dec 14 13:34:30.083 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:34:30.083 INFO [stderr]   --> src/lib.rs:20:19
Dec 14 13:34:30.083 INFO [stderr]    |
Dec 14 13:34:30.083 INFO [stderr] 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Dec 14 13:34:30.083 INFO [stderr]    |                   ----^^^^^^
Dec 14 13:34:30.083 INFO [stderr]    |                   |
Dec 14 13:34:30.083 INFO [stderr]    |                   help: remove this `mut`
Dec 14 13:34:30.083 INFO [stderr]    |
Dec 14 13:34:30.083 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 13:34:30.083 INFO [stderr] 
Dec 14 13:34:30.083 INFO [stderr] warning: variable does not need to be mutable
Dec 14 13:34:30.083 INFO [stderr]   --> src/lib.rs:31:22
Dec 14 13:34:30.083 INFO [stderr]    |
Dec 14 13:34:30.083 INFO [stderr] 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Dec 14 13:34:30.083 INFO [stderr]    |                      ----^^^^^^
Dec 14 13:34:30.083 INFO [stderr]    |                      |
Dec 14 13:34:30.083 INFO [stderr]    |                      help: remove this `mut`
Dec 14 13:34:30.083 INFO [stderr] 
Dec 14 13:34:30.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Dec 14 13:34:30.971 INFO [stderr] su: No module specific data is present
Dec 14 13:34:31.479 INFO running `"docker" "inspect" "58fc7d44d9f195f2f542c0664be80523bc6ca69b9a797b0f16e821a48791295f"`
Dec 14 13:34:31.552 INFO running `"docker" "rm" "-f" "58fc7d44d9f195f2f542c0664be80523bc6ca69b9a797b0f16e821a48791295f"`
Dec 14 13:34:31.699 INFO [stdout] 58fc7d44d9f195f2f542c0664be80523bc6ca69b9a797b0f16e821a48791295f