[INFO] updating cached repository mkilgore/rshell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkilgore/rshell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkilgore/rshell" "work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/mkilgore/rshell"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/mkilgore/rshell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkilgore/rshell" "work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/mkilgore/rshell"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/mkilgore/rshell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4553cf1c2ecfc193a1fcbdf1044f5e9a6e54d131
[INFO] sha for GitHub repo mkilgore/rshell: 4553cf1c2ecfc193a1fcbdf1044f5e9a6e54d131
[INFO] validating manifest of mkilgore/rshell on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mkilgore/rshell on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mkilgore/rshell
[INFO] finished frobbing mkilgore/rshell
[INFO] frobbed toml for mkilgore/rshell written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/mkilgore/rshell/Cargo.toml
[INFO] started frobbing mkilgore/rshell
[INFO] finished frobbing mkilgore/rshell
[INFO] frobbed toml for mkilgore/rshell written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/mkilgore/rshell/Cargo.toml
[INFO] crate mkilgore/rshell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mkilgore/rshell against master#df25d79a33b0c82b716699a75a41bfdc6089850a for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-1/master#df25d79a33b0c82b716699a75a41bfdc6089850a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/mkilgore/rshell:/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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1d7de500b8f383e46f37ad2c3b00dcf7c71b45993288745ded74316487429ecb
[INFO] running `"docker" "start" "-a" "1d7de500b8f383e46f37ad2c3b00dcf7c71b45993288745ded74316487429ecb"`
[INFO] [stderr]     Checking rshell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/job_list.rs:38:44
[INFO] [stderr]    |
[INFO] [stderr] 38 |         self.list.push(Arc::new(Mutex::new((job))));
[INFO] [stderr]    |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/job_list.rs:38:44
[INFO] [stderr]    |
[INFO] [stderr] 38 |         self.list.push(Arc::new(Mutex::new((job))));
[INFO] [stderr]    |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/job.rs:80:22
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn parse_job(mut lex: &mut InputLexer) -> Option<Job> {
[INFO] [stderr]    |                      ----^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/job.rs:80:22
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn parse_job(mut lex: &mut InputLexer) -> Option<Job> {
[INFO] [stderr]    |                      ----^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "1d7de500b8f383e46f37ad2c3b00dcf7c71b45993288745ded74316487429ecb"`
[INFO] running `"docker" "rm" "-f" "1d7de500b8f383e46f37ad2c3b00dcf7c71b45993288745ded74316487429ecb"`
[INFO] [stdout] 1d7de500b8f383e46f37ad2c3b00dcf7c71b45993288745ded74316487429ecb