Dec 12 16:54:14.977 INFO checking cbuf-0.1.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 16:54:14.977 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 16:54:15.334 INFO [stdout] dec6831e6138dce5601e7606e372ca25ebb0e5cb5655ea17839b1930d787066a
Dec 12 16:54:15.341 INFO running `"docker" "start" "-a" "dec6831e6138dce5601e7606e372ca25ebb0e5cb5655ea17839b1930d787066a"`
Dec 12 16:54:16.360 INFO [stderr] usermod: no changes
Dec 12 16:54:16.412 INFO [stderr]     Checking cbuf v0.1.1 (/source)
Dec 12 16:54:17.272 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:54:17.272 INFO [stderr]    --> src/lib.rs:235:13
Dec 12 16:54:17.272 INFO [stderr]     |
Dec 12 16:54:17.272 INFO [stderr] 235 |         let mut buf = &mut [0u8, 2];
Dec 12 16:54:17.272 INFO [stderr]     |             ----^^^
Dec 12 16:54:17.272 INFO [stderr]     |             |
Dec 12 16:54:17.272 INFO [stderr]     |             help: remove this `mut`
Dec 12 16:54:17.272 INFO [stderr]     |
Dec 12 16:54:17.272 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 16:54:17.272 INFO [stderr] 
Dec 12 16:54:17.277 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:54:17.277 INFO [stderr]    --> src/lib.rs:266:13
Dec 12 16:54:17.277 INFO [stderr]     |
Dec 12 16:54:17.277 INFO [stderr] 266 |         let mut buf = &mut [0u8, 0u8];
Dec 12 16:54:17.277 INFO [stderr]     |             ----^^^
Dec 12 16:54:17.277 INFO [stderr]     |             |
Dec 12 16:54:17.277 INFO [stderr]     |             help: remove this `mut`
Dec 12 16:54:17.277 INFO [stderr] 
Dec 12 16:54:17.281 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:54:17.281 INFO [stderr]    --> src/lib.rs:298:13
Dec 12 16:54:17.281 INFO [stderr]     |
Dec 12 16:54:17.281 INFO [stderr] 298 |         let mut buf = &mut [0u8, 0u8];
Dec 12 16:54:17.281 INFO [stderr]     |             ----^^^
Dec 12 16:54:17.281 INFO [stderr]     |             |
Dec 12 16:54:17.281 INFO [stderr]     |             help: remove this `mut`
Dec 12 16:54:17.281 INFO [stderr] 
Dec 12 16:54:17.304 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 12 16:54:17.306 INFO [stderr] su: No module specific data is present
Dec 12 16:54:17.702 INFO running `"docker" "inspect" "dec6831e6138dce5601e7606e372ca25ebb0e5cb5655ea17839b1930d787066a"`
Dec 12 16:54:17.882 INFO running `"docker" "rm" "-f" "dec6831e6138dce5601e7606e372ca25ebb0e5cb5655ea17839b1930d787066a"`
Dec 12 16:54:17.992 INFO [stdout] dec6831e6138dce5601e7606e372ca25ebb0e5cb5655ea17839b1930d787066a