Dec 18 18:17:13.322 INFO checking basenc-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:17:13.322 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:17:13.695 INFO [stdout] 1e8f0cda6a00dffa838dfdf12dc59cc482121d45fa6a008808f0174b72e5bc20
Dec 18 18:17:13.702 INFO running `"docker" "start" "-a" "1e8f0cda6a00dffa838dfdf12dc59cc482121d45fa6a008808f0174b72e5bc20"`
Dec 18 18:17:15.416 INFO [stderr]     Checking basenc v0.1.0 (/opt/crater/workdir)
Dec 18 18:17:16.460 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:16.460 INFO [stderr]   --> src/buf.rs:91:19
Dec 18 18:17:16.460 INFO [stderr]    |
Dec 18 18:17:16.460 INFO [stderr] 91 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:16.460 INFO [stderr]    |                      ----^^^^
Dec 18 18:17:16.460 INFO [stderr]    |                      |
Dec 18 18:17:16.460 INFO [stderr]    |                      help: remove this `mut`
Dec 18 18:17:16.460 INFO [stderr]    |
Dec 18 18:17:16.460 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 18:17:16.460 INFO [stderr] 
Dec 18 18:17:16.461 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:16.461 INFO [stderr]    --> src/buf.rs:188:19
Dec 18 18:17:16.461 INFO [stderr]     |
Dec 18 18:17:16.461 INFO [stderr] 188 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:16.461 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:16.461 INFO [stderr]     |                      |
Dec 18 18:17:16.461 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:16.461 INFO [stderr] 
Dec 18 18:17:16.461 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:16.461 INFO [stderr]    --> src/buf.rs:209:19
Dec 18 18:17:16.461 INFO [stderr]     |
Dec 18 18:17:16.461 INFO [stderr] 209 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:16.461 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:16.461 INFO [stderr]     |                      |
Dec 18 18:17:16.461 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:16.461 INFO [stderr] 
Dec 18 18:17:16.652 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:16.652 INFO [stderr]   --> src/buf.rs:91:19
Dec 18 18:17:16.652 INFO [stderr]    |
Dec 18 18:17:16.652 INFO [stderr] 91 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:16.652 INFO [stderr]    |                      ----^^^^
Dec 18 18:17:16.652 INFO [stderr]    |                      |
Dec 18 18:17:16.652 INFO [stderr]    |                      help: remove this `mut`
Dec 18 18:17:16.652 INFO [stderr]    |
Dec 18 18:17:16.652 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 18:17:16.652 INFO [stderr] 
Dec 18 18:17:16.652 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:16.652 INFO [stderr]    --> src/buf.rs:188:19
Dec 18 18:17:16.652 INFO [stderr]     |
Dec 18 18:17:16.652 INFO [stderr] 188 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:16.652 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:16.652 INFO [stderr]     |                      |
Dec 18 18:17:16.653 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:16.653 INFO [stderr] 
Dec 18 18:17:16.653 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:17:16.653 INFO [stderr]    --> src/buf.rs:209:19
Dec 18 18:17:16.653 INFO [stderr]     |
Dec 18 18:17:16.653 INFO [stderr] 209 |     unsafe fn commit(mut self, len: usize) -> Self::Output {
Dec 18 18:17:16.653 INFO [stderr]     |                      ----^^^^
Dec 18 18:17:16.653 INFO [stderr]     |                      |
Dec 18 18:17:16.653 INFO [stderr]     |                      help: remove this `mut`
Dec 18 18:17:16.653 INFO [stderr] 
Dec 18 18:17:16.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 18 18:17:17.322 INFO running `"docker" "inspect" "1e8f0cda6a00dffa838dfdf12dc59cc482121d45fa6a008808f0174b72e5bc20"`
Dec 18 18:17:17.586 INFO running `"docker" "rm" "-f" "1e8f0cda6a00dffa838dfdf12dc59cc482121d45fa6a008808f0174b72e5bc20"`
Dec 18 18:17:17.879 INFO [stdout] 1e8f0cda6a00dffa838dfdf12dc59cc482121d45fa6a008808f0174b72e5bc20