Dec 18 18:17:14.815 INFO checking basenc-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:17:14.815 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/basenc/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:17:15.272 INFO [stdout] a3fe488294d5095d1749cc116b19e8ec1178db4ca5a01ddf71c37877c4c90efe
Dec 18 18:17:15.278 INFO running `"docker" "start" "-a" "a3fe488294d5095d1749cc116b19e8ec1178db4ca5a01ddf71c37877c4c90efe"`
Dec 18 18:17:16.920 INFO [stderr]     Checking basenc v0.1.0 (/opt/crater/workdir)
Dec 18 18:17:17.960 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:17.960 INFO [stderr]   --> src/buf.rs:91:19
Dec 18 18:17:17.960 INFO [stderr]    |
Dec 18 18:17:17.960 INFO [stderr] 91 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:17.960 INFO [stderr]    |                      ----^^^^
Dec 18 18:17:17.960 INFO [stderr]    |                      |
Dec 18 18:17:17.960 INFO [stderr]    |                      help: remove this `mut`
Dec 18 18:17:17.960 INFO [stderr]    |
Dec 18 18:17:17.960 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 18:17:17.960 INFO [stderr] 
Dec 18 18:17:17.960 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:17.960 INFO [stderr]    --> src/buf.rs:188:19
Dec 18 18:17:17.960 INFO [stderr]     |
Dec 18 18:17:17.961 INFO [stderr] 188 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:17.961 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:17.961 INFO [stderr]     |                      |
Dec 18 18:17:17.961 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:17.961 INFO [stderr] 
Dec 18 18:17:17.961 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:17.961 INFO [stderr]    --> src/buf.rs:209:19
Dec 18 18:17:17.961 INFO [stderr]     |
Dec 18 18:17:17.961 INFO [stderr] 209 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:17.961 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:17.961 INFO [stderr]     |                      |
Dec 18 18:17:17.964 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:17.964 INFO [stderr] 
Dec 18 18:17:18.082 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:18.082 INFO [stderr]   --> src/buf.rs:91:19
Dec 18 18:17:18.082 INFO [stderr]    |
Dec 18 18:17:18.082 INFO [stderr] 91 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:18.082 INFO [stderr]    |                      ----^^^^
Dec 18 18:17:18.082 INFO [stderr]    |                      |
Dec 18 18:17:18.082 INFO [stderr]    |                      help: remove this `mut`
Dec 18 18:17:18.082 INFO [stderr]    |
Dec 18 18:17:18.082 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 18:17:18.082 INFO [stderr] 
Dec 18 18:17:18.082 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:18.082 INFO [stderr]    --> src/buf.rs:188:19
Dec 18 18:17:18.082 INFO [stderr]     |
Dec 18 18:17:18.082 INFO [stderr] 188 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:18.082 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:18.082 INFO [stderr]     |                      |
Dec 18 18:17:18.082 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:18.082 INFO [stderr] 
Dec 18 18:17:18.082 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:18.082 INFO [stderr]    --> src/buf.rs:209:19
Dec 18 18:17:18.082 INFO [stderr]     |
Dec 18 18:17:18.082 INFO [stderr] 209 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:18.082 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:18.082 INFO [stderr]     |                      |
Dec 18 18:17:18.082 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:18.082 INFO [stderr] 
Dec 18 18:17:18.164 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Dec 18 18:17:18.938 INFO running `"docker" "inspect" "a3fe488294d5095d1749cc116b19e8ec1178db4ca5a01ddf71c37877c4c90efe"`
Dec 18 18:17:19.077 INFO running `"docker" "rm" "-f" "a3fe488294d5095d1749cc116b19e8ec1178db4ca5a01ddf71c37877c4c90efe"`
Dec 18 18:17:19.147 INFO [stdout] a3fe488294d5095d1749cc116b19e8ec1178db4ca5a01ddf71c37877c4c90efe