[INFO] updating cached repository michaelsproul/aus_senate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelsproul/aus_senate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/aus_senate" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/michaelsproul/aus_senate"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/michaelsproul/aus_senate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/aus_senate" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/michaelsproul/aus_senate"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/michaelsproul/aus_senate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6512d6a089fc24359d786fe6d12e480de5767bb5
[INFO] sha for GitHub repo michaelsproul/aus_senate: 6512d6a089fc24359d786fe6d12e480de5767bb5
[INFO] validating manifest of michaelsproul/aus_senate on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of michaelsproul/aus_senate on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing michaelsproul/aus_senate
[INFO] finished frobbing michaelsproul/aus_senate
[INFO] frobbed toml for michaelsproul/aus_senate written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/michaelsproul/aus_senate/Cargo.toml
[INFO] started frobbing michaelsproul/aus_senate
[INFO] finished frobbing michaelsproul/aus_senate
[INFO] frobbed toml for michaelsproul/aus_senate written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/michaelsproul/aus_senate/Cargo.toml
[INFO] crate michaelsproul/aus_senate already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking michaelsproul/aus_senate against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/michaelsproul/aus_senate:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 18003466e8b41ccb8c6c3c8eaf62131eb1d15f7652dc7c8d5ed89846e1d7a786
[INFO] running `"docker" "start" "-a" "18003466e8b41ccb8c6c3c8eaf62131eb1d15f7652dc7c8d5ed89846e1d7a786"`
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking unwrap v1.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking rust-gmp v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking csv-core v0.1.2
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking csv v1.0.0-beta.3
[INFO] [stderr]     Checking aus_senate v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vote_map.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let mut info = self.info.get_mut(&continuing_id).unwrap();
[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/vote_map.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let mut info = self.info.get_mut(&continuing_id).unwrap();
[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 15.70s
[INFO] running `"docker" "inspect" "18003466e8b41ccb8c6c3c8eaf62131eb1d15f7652dc7c8d5ed89846e1d7a786"`
[INFO] running `"docker" "rm" "-f" "18003466e8b41ccb8c6c3c8eaf62131eb1d15f7652dc7c8d5ed89846e1d7a786"`
[INFO] [stdout] 18003466e8b41ccb8c6c3c8eaf62131eb1d15f7652dc7c8d5ed89846e1d7a786