[INFO] updating cached repository ZapAnton/rust-analyzer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ZapAnton/rust-analyzer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ZapAnton/rust-analyzer" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ZapAnton/rust-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ZapAnton/rust-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ZapAnton/rust-analyzer" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ZapAnton/rust-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ZapAnton/rust-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 945f61d147dedcad8eb2239303f781a88d6436c7
[INFO] sha for GitHub repo ZapAnton/rust-analyzer: 945f61d147dedcad8eb2239303f781a88d6436c7
[INFO] validating manifest of ZapAnton/rust-analyzer on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ZapAnton/rust-analyzer on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ZapAnton/rust-analyzer
[INFO] finished frobbing ZapAnton/rust-analyzer
[INFO] frobbed toml for ZapAnton/rust-analyzer written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ZapAnton/rust-analyzer/Cargo.toml
[INFO] started frobbing ZapAnton/rust-analyzer
[INFO] finished frobbing ZapAnton/rust-analyzer
[INFO] frobbed toml for ZapAnton/rust-analyzer written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ZapAnton/rust-analyzer/Cargo.toml
[INFO] crate ZapAnton/rust-analyzer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ZapAnton/rust-analyzer against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-0/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ZapAnton/rust-analyzer:/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 59a8c44909766d3d1e40a2eced23a0b4c040a58f6cea93ec09ad27ad9d23e608
[INFO] running `"docker" "start" "-a" "59a8c44909766d3d1e40a2eced23a0b4c040a58f6cea93ec09ad27ad9d23e608"`
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking syn v0.15.30
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rust-analyzer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `exercise_type`
[INFO] [stderr]   --> src/lib.rs:58:34
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn run_analysis(dir_path: &Path, exercise_type: ExerciseType) -> AnalyzerResult<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_exercise_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exercise_type`
[INFO] [stderr]   --> src/lib.rs:58:34
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn run_analysis(dir_path: &Path, exercise_type: ExerciseType) -> AnalyzerResult<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_exercise_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `"docker" "inspect" "59a8c44909766d3d1e40a2eced23a0b4c040a58f6cea93ec09ad27ad9d23e608"`
[INFO] running `"docker" "rm" "-f" "59a8c44909766d3d1e40a2eced23a0b4c040a58f6cea93ec09ad27ad9d23e608"`
[INFO] [stdout] 59a8c44909766d3d1e40a2eced23a0b4c040a58f6cea93ec09ad27ad9d23e608