[INFO] updating cached repository DevOrc/mazer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DevOrc/mazer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DevOrc/mazer" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/DevOrc/mazer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/DevOrc/mazer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DevOrc/mazer" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/DevOrc/mazer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/DevOrc/mazer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4a397f20d6cc9adaab0dfb02edd96f6edef0f75
[INFO] sha for GitHub repo DevOrc/mazer: c4a397f20d6cc9adaab0dfb02edd96f6edef0f75
[INFO] validating manifest of DevOrc/mazer on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DevOrc/mazer on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DevOrc/mazer
[INFO] finished frobbing DevOrc/mazer
[INFO] frobbed toml for DevOrc/mazer written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/DevOrc/mazer/Cargo.toml
[INFO] started frobbing DevOrc/mazer
[INFO] finished frobbing DevOrc/mazer
[INFO] frobbed toml for DevOrc/mazer written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/DevOrc/mazer/Cargo.toml
[INFO] crate DevOrc/mazer has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DevOrc/mazer against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-3/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/DevOrc/mazer:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c88a553831614173b7adf3c9607036e6b76c4c7f06f52dc39a59acb908e4ae73
[INFO] running `"docker" "start" "-a" "c88a553831614173b7adf3c9607036e6b76c4c7f06f52dc39a59acb908e4ae73"`
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.15.0
[INFO] [stderr]     Checking mazer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `maze_map`
[INFO] [stderr]   --> src/lib.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let maze_map = parser::parse(maze_data);
[INFO] [stderr]    |         ^^^^^^^^ help: consider using `_maze_map` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `maze_map`
[INFO] [stderr]   --> src/lib.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let maze_map = parser::parse(maze_data);
[INFO] [stderr]    |         ^^^^^^^^ help: consider using `_maze_map` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `"docker" "inspect" "c88a553831614173b7adf3c9607036e6b76c4c7f06f52dc39a59acb908e4ae73"`
[INFO] running `"docker" "rm" "-f" "c88a553831614173b7adf3c9607036e6b76c4c7f06f52dc39a59acb908e4ae73"`
[INFO] [stdout] c88a553831614173b7adf3c9607036e6b76c4c7f06f52dc39a59acb908e4ae73