[INFO] updating cached repository mmarkell/rust_sat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmarkell/rust_sat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmarkell/rust_sat" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mmarkell/rust_sat"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mmarkell/rust_sat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmarkell/rust_sat" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mmarkell/rust_sat"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mmarkell/rust_sat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 150d0e00a58c2b9c89356bcb28fa31db120b3867
[INFO] sha for GitHub repo mmarkell/rust_sat: 150d0e00a58c2b9c89356bcb28fa31db120b3867
[INFO] validating manifest of mmarkell/rust_sat on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mmarkell/rust_sat on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mmarkell/rust_sat
[INFO] finished frobbing mmarkell/rust_sat
[INFO] frobbed toml for mmarkell/rust_sat written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mmarkell/rust_sat/Cargo.toml
[INFO] started frobbing mmarkell/rust_sat
[INFO] finished frobbing mmarkell/rust_sat
[INFO] frobbed toml for mmarkell/rust_sat written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mmarkell/rust_sat/Cargo.toml
[INFO] crate mmarkell/rust_sat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mmarkell/rust_sat against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mmarkell/rust_sat:/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 93881438c77dbe12499ffcdd13582a523bee84c069b03e9bc94e6ba2c9b5d8fa
[INFO] running `"docker" "start" "-a" "93881438c77dbe12499ffcdd13582a523bee84c069b03e9bc94e6ba2c9b5d8fa"`
[INFO] [stderr]     Checking sat_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/solver.rs:47:29
[INFO] [stderr]    |
[INFO] [stderr] 47 |             new_vars.remove((idx as usize));
[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 method argument
[INFO] [stderr]   --> src/solver.rs:47:29
[INFO] [stderr]    |
[INFO] [stderr] 47 |             new_vars.remove((idx as usize));
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/encoder.rs:53:45
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn format_output((positives, negatives, width, height): (Vec<i32>, Vec<i32>, i32, i32)) {
[INFO] [stderr]    |                                             ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/encoder.rs:53:52
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn format_output((positives, negatives, width, height): (Vec<i32>, Vec<i32>, i32, i32)) {
[INFO] [stderr]    |                                                    ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_seen`
[INFO] [stderr]   --> src/solver.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Some(&(occurrences, last_seen)) => {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: consider prefixing with an underscore: `_last_seen`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/encoder.rs:53:45
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn format_output((positives, negatives, width, height): (Vec<i32>, Vec<i32>, i32, i32)) {
[INFO] [stderr]    |                                             ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/encoder.rs:53:52
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn format_output((positives, negatives, width, height): (Vec<i32>, Vec<i32>, i32, i32)) {
[INFO] [stderr]    |                                                    ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_seen`
[INFO] [stderr]   --> src/solver.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Some(&(occurrences, last_seen)) => {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: consider prefixing with an underscore: `_last_seen`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "93881438c77dbe12499ffcdd13582a523bee84c069b03e9bc94e6ba2c9b5d8fa"`
[INFO] running `"docker" "rm" "-f" "93881438c77dbe12499ffcdd13582a523bee84c069b03e9bc94e6ba2c9b5d8fa"`
[INFO] [stdout] 93881438c77dbe12499ffcdd13582a523bee84c069b03e9bc94e6ba2c9b5d8fa