[INFO] crate stackbt_automata_impl 0.1.2 is already in cache
[INFO] extracting crate stackbt_automata_impl 0.1.2 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/stackbt_automata_impl/0.1.2
[INFO] extracting crate stackbt_automata_impl 0.1.2 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/stackbt_automata_impl/0.1.2
[INFO] validating manifest of stackbt_automata_impl-0.1.2 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stackbt_automata_impl-0.1.2 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stackbt_automata_impl-0.1.2
[INFO] finished frobbing stackbt_automata_impl-0.1.2
[INFO] frobbed toml for stackbt_automata_impl-0.1.2 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/stackbt_automata_impl/0.1.2/Cargo.toml
[INFO] started frobbing stackbt_automata_impl-0.1.2
[INFO] finished frobbing stackbt_automata_impl-0.1.2
[INFO] frobbed toml for stackbt_automata_impl-0.1.2 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/stackbt_automata_impl/0.1.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stackbt_automata_impl-0.1.2 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-0/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/stackbt_automata_impl/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 26077e0d19221595335bdae44a70e1e41bed6c9093f6a827d52301f202a89b51
[INFO] running `"docker" "start" "-a" "26077e0d19221595335bdae44a70e1e41bed6c9093f6a827d52301f202a89b51"`
[INFO] [stderr]     Checking stackbt_automata_impl v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/automaton.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut this = self;
[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: unused variable: `state`
[INFO] [stderr]    --> src/map_wrappers.rs:375:30
[INFO] [stderr]     |
[INFO] [stderr] 375 |         fn step(input: &i64, state: &mut ()) -> i64 {
[INFO] [stderr]     |                              ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/map_wrappers.rs:431:17
[INFO] [stderr]     |
[INFO] [stderr] 431 |         fn step(input: &i64, state: &mut i64) -> i64{
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/automaton.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut this = self;
[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 1.25s
[INFO] running `"docker" "inspect" "26077e0d19221595335bdae44a70e1e41bed6c9093f6a827d52301f202a89b51"`
[INFO] running `"docker" "rm" "-f" "26077e0d19221595335bdae44a70e1e41bed6c9093f6a827d52301f202a89b51"`
[INFO] [stdout] 26077e0d19221595335bdae44a70e1e41bed6c9093f6a827d52301f202a89b51