Dec 06 17:02:37.432 INFO testing x-923-0.1.2 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 17:02:37.432 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 17:02:37.572 INFO [stdout] 25f541bb7d7ed65b912d73504bc7d17013943637204c9764e62879425a23a468
Dec 06 17:02:37.574 INFO running `"docker" "start" "-a" "25f541bb7d7ed65b912d73504bc7d17013943637204c9764e62879425a23a468"`
Dec 06 17:02:37.912 INFO [stderr] usermod: no changes
Dec 06 17:02:37.940 INFO [stderr]    Compiling x-923 v0.1.2 (/source)
Dec 06 17:02:38.324 INFO [stderr] warning: variable does not need to be mutable
Dec 06 17:02:38.324 INFO [stderr]   --> src/lib.rs:20:19
Dec 06 17:02:38.324 INFO [stderr]    |
Dec 06 17:02:38.324 INFO [stderr] 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Dec 06 17:02:38.324 INFO [stderr]    |                   ----^^^^^^
Dec 06 17:02:38.324 INFO [stderr]    |                   |
Dec 06 17:02:38.324 INFO [stderr]    |                   help: remove this `mut`
Dec 06 17:02:38.324 INFO [stderr]    |
Dec 06 17:02:38.324 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 17:02:38.324 INFO [stderr] 
Dec 06 17:02:38.325 INFO [stderr] warning: variable does not need to be mutable
Dec 06 17:02:38.325 INFO [stderr]   --> src/lib.rs:31:22
Dec 06 17:02:38.325 INFO [stderr]    |
Dec 06 17:02:38.325 INFO [stderr] 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Dec 06 17:02:38.325 INFO [stderr]    |                      ----^^^^^^
Dec 06 17:02:38.325 INFO [stderr]    |                      |
Dec 06 17:02:38.325 INFO [stderr]    |                      help: remove this `mut`
Dec 06 17:02:38.325 INFO [stderr] 
Dec 06 17:02:38.567 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 06 17:02:38.570 INFO [stderr] su: No module specific data is present
Dec 06 17:02:39.004 INFO running `"docker" "inspect" "25f541bb7d7ed65b912d73504bc7d17013943637204c9764e62879425a23a468"`
Dec 06 17:02:39.106 INFO running `"docker" "rm" "-f" "25f541bb7d7ed65b912d73504bc7d17013943637204c9764e62879425a23a468"`
Dec 06 17:02:39.195 INFO [stdout] 25f541bb7d7ed65b912d73504bc7d17013943637204c9764e62879425a23a468
Dec 06 17:02:39.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 17:02:39.377 INFO [stdout] 32d1f1cc24fe8f58ad4daed014dad326a3fe7a865b8e764daca0924e3e7b4895
Dec 06 17:02:39.378 INFO running `"docker" "start" "-a" "32d1f1cc24fe8f58ad4daed014dad326a3fe7a865b8e764daca0924e3e7b4895"`
Dec 06 17:02:39.733 INFO [stderr] usermod: no changes
Dec 06 17:02:39.764 INFO [stderr]    Compiling x-923 v0.1.2 (/source)
Dec 06 17:02:40.310 INFO [stderr] warning: variable does not need to be mutable
Dec 06 17:02:40.310 INFO [stderr]   --> src/lib.rs:20:19
Dec 06 17:02:40.310 INFO [stderr]    |
Dec 06 17:02:40.311 INFO [stderr] 20 | pub fn pad_buffer(mut buffer: &mut Vec<u8>, block_size: u8) {
Dec 06 17:02:40.311 INFO [stderr]    |                   ----^^^^^^
Dec 06 17:02:40.311 INFO [stderr]    |                   |
Dec 06 17:02:40.311 INFO [stderr]    |                   help: remove this `mut`
Dec 06 17:02:40.311 INFO [stderr]    |
Dec 06 17:02:40.311 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 17:02:40.311 INFO [stderr] 
Dec 06 17:02:40.311 INFO [stderr] warning: variable does not need to be mutable
Dec 06 17:02:40.311 INFO [stderr]   --> src/lib.rs:31:22
Dec 06 17:02:40.311 INFO [stderr]    |
Dec 06 17:02:40.311 INFO [stderr] 31 | pub fn un_pad_buffer(mut buffer: &mut Vec<u8>) {
Dec 06 17:02:40.311 INFO [stderr]    |                      ----^^^^^^
Dec 06 17:02:40.311 INFO [stderr]    |                      |
Dec 06 17:02:40.311 INFO [stderr]    |                      help: remove this `mut`
Dec 06 17:02:40.311 INFO [stderr] 
Dec 06 17:02:40.714 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 06 17:02:40.716 INFO [stderr] su: No module specific data is present
Dec 06 17:02:41.050 INFO running `"docker" "inspect" "32d1f1cc24fe8f58ad4daed014dad326a3fe7a865b8e764daca0924e3e7b4895"`
Dec 06 17:02:41.152 INFO running `"docker" "rm" "-f" "32d1f1cc24fe8f58ad4daed014dad326a3fe7a865b8e764daca0924e3e7b4895"`
Dec 06 17:02:41.344 INFO [stdout] 32d1f1cc24fe8f58ad4daed014dad326a3fe7a865b8e764daca0924e3e7b4895