Dec 19 07:26:18.864 INFO checking teiesti/fussel against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:26:18.864 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/teiesti/fussel:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:26:19.098 INFO [stdout] 48bc831bae06502b478a66e744b6c7b77749a0c99a36bc0cd61ffea1de22d111
Dec 19 07:26:19.104 INFO running `"docker" "start" "-a" "48bc831bae06502b478a66e744b6c7b77749a0c99a36bc0cd61ffea1de22d111"`
Dec 19 07:26:20.564 INFO [stderr]     Checking yansi v0.3.4
Dec 19 07:26:20.564 INFO [stderr]    Compiling proc-macro2 v0.2.2
Dec 19 07:26:20.568 INFO [stderr]     Checking walkdir v2.1.3
Dec 19 07:26:20.571 INFO [stderr]     Checking clap v2.29.4
Dec 19 07:26:20.571 INFO [stderr]     Checking regex v0.2.6
Dec 19 07:26:23.831 INFO [stderr]    Compiling quote v0.4.2
Dec 19 07:26:24.726 INFO [stderr]    Compiling syn v0.12.12
Dec 19 07:26:33.772 INFO [stderr]    Compiling structopt-derive v0.2.2
Dec 19 07:26:36.192 INFO [stderr]     Checking structopt v0.2.2
Dec 19 07:26:36.476 INFO [stderr]     Checking fussel v0.1.0-dev (/opt/crater/workdir)
Dec 19 07:26:38.068 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.068 INFO [stderr]   --> src/lint/indentation.rs:17:18
Dec 19 07:26:38.068 INFO [stderr]    |
Dec 19 07:26:38.068 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.068 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.068 INFO [stderr]    |                  |
Dec 19 07:26:38.068 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.068 INFO [stderr]    |
Dec 19 07:26:38.068 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:26:38.069 INFO [stderr] 
Dec 19 07:26:38.069 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.069 INFO [stderr]   --> src/lint/line_break.rs:17:18
Dec 19 07:26:38.069 INFO [stderr]    |
Dec 19 07:26:38.069 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.069 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.069 INFO [stderr]    |                  |
Dec 19 07:26:38.069 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.069 INFO [stderr] 
Dec 19 07:26:38.069 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.069 INFO [stderr]   --> src/lint/line_length.rs:17:18
Dec 19 07:26:38.069 INFO [stderr]    |
Dec 19 07:26:38.069 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.069 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.069 INFO [stderr]    |                  |
Dec 19 07:26:38.069 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.069 INFO [stderr] 
Dec 19 07:26:38.069 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.069 INFO [stderr]   --> src/lint/trailing_newline.rs:17:18
Dec 19 07:26:38.069 INFO [stderr]    |
Dec 19 07:26:38.069 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.069 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.069 INFO [stderr]    |                  |
Dec 19 07:26:38.069 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.069 INFO [stderr] 
Dec 19 07:26:38.492 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.492 INFO [stderr]   --> src/lint/indentation.rs:17:18
Dec 19 07:26:38.492 INFO [stderr]    |
Dec 19 07:26:38.492 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.492 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.492 INFO [stderr]    |                  |
Dec 19 07:26:38.492 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.492 INFO [stderr]    |
Dec 19 07:26:38.492 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:26:38.492 INFO [stderr] 
Dec 19 07:26:38.492 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.493 INFO [stderr]   --> src/lint/line_break.rs:17:18
Dec 19 07:26:38.493 INFO [stderr]    |
Dec 19 07:26:38.493 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.493 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.493 INFO [stderr]    |                  |
Dec 19 07:26:38.493 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.493 INFO [stderr] 
Dec 19 07:26:38.493 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.493 INFO [stderr]   --> src/lint/line_length.rs:17:18
Dec 19 07:26:38.493 INFO [stderr]    |
Dec 19 07:26:38.493 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.493 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.493 INFO [stderr]    |                  |
Dec 19 07:26:38.493 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.493 INFO [stderr] 
Dec 19 07:26:38.493 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:26:38.493 INFO [stderr]   --> src/lint/trailing_newline.rs:17:18
Dec 19 07:26:38.493 INFO [stderr]    |
Dec 19 07:26:38.493 INFO [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
Dec 19 07:26:38.493 INFO [stderr]    |                  ----^^^^
Dec 19 07:26:38.493 INFO [stderr]    |                  |
Dec 19 07:26:38.493 INFO [stderr]    |                  help: remove this `mut`
Dec 19 07:26:38.493 INFO [stderr] 
Dec 19 07:26:39.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.81s
Dec 19 07:26:40.519 INFO running `"docker" "inspect" "48bc831bae06502b478a66e744b6c7b77749a0c99a36bc0cd61ffea1de22d111"`
Dec 19 07:26:40.808 INFO running `"docker" "rm" "-f" "48bc831bae06502b478a66e744b6c7b77749a0c99a36bc0cd61ffea1de22d111"`
Dec 19 07:26:41.073 INFO [stdout] 48bc831bae06502b478a66e744b6c7b77749a0c99a36bc0cd61ffea1de22d111