Dec 12 04:41:56.837 INFO checking x1b-0.5.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 04:41:56.837 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 12 04:41:57.159 INFO [stdout] 321cb8a01bc660e630126481b05cf955ae8c200eba6f4a5d00875eb2211f2f6b
Dec 12 04:41:57.161 INFO running `"docker" "start" "-a" "321cb8a01bc660e630126481b05cf955ae8c200eba6f4a5d00875eb2211f2f6b"`
Dec 12 04:41:58.576 INFO [stderr] usermod: no changes
Dec 12 04:41:58.640 INFO [stderr]     Checking x1b v0.5.1 (/source)
Dec 12 04:41:59.504 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:41:59.504 INFO [stderr]    --> src/cu.rs:261:8
Dec 12 04:41:59.504 INFO [stderr]     |
Dec 12 04:41:59.504 INFO [stderr] 261 |             let mut buffer = self.cursor.0.as_mut_vec();
Dec 12 04:41:59.504 INFO [stderr]     |                 ----^^^^^^
Dec 12 04:41:59.504 INFO [stderr]     |                 |
Dec 12 04:41:59.504 INFO [stderr]     |                 help: remove this `mut`
Dec 12 04:41:59.504 INFO [stderr]     |
Dec 12 04:41:59.504 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 04:41:59.504 INFO [stderr] 
Dec 12 04:41:59.728 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:41:59.728 INFO [stderr]    --> src/cu.rs:261:8
Dec 12 04:41:59.728 INFO [stderr]     |
Dec 12 04:41:59.728 INFO [stderr] 261 |             let mut buffer = self.cursor.0.as_mut_vec();
Dec 12 04:41:59.728 INFO [stderr]     |                 ----^^^^^^
Dec 12 04:41:59.728 INFO [stderr]     |                 |
Dec 12 04:41:59.729 INFO [stderr]     |                 help: remove this `mut`
Dec 12 04:41:59.729 INFO [stderr]     |
Dec 12 04:41:59.729 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 04:41:59.729 INFO [stderr] 
Dec 12 04:41:59.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 12 04:41:59.784 INFO [stderr] su: No module specific data is present
Dec 12 04:42:00.600 INFO running `"docker" "inspect" "321cb8a01bc660e630126481b05cf955ae8c200eba6f4a5d00875eb2211f2f6b"`
Dec 12 04:42:00.868 INFO running `"docker" "rm" "-f" "321cb8a01bc660e630126481b05cf955ae8c200eba6f4a5d00875eb2211f2f6b"`
Dec 12 04:42:01.026 INFO [stdout] 321cb8a01bc660e630126481b05cf955ae8c200eba6f4a5d00875eb2211f2f6b