[INFO] updating cached repository https://github.com/DevOrc/mazer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4a397f20d6cc9adaab0dfb02edd96f6edef0f75
[INFO] checking DevOrc/mazer against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevOrc%2Fmazer" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DevOrc/mazer on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DevOrc/mazer
[INFO] finished tweaking git repo https://github.com/DevOrc/mazer
[INFO] tweaked toml for git repo https://github.com/DevOrc/mazer written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DevOrc/mazer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d981630e60067dce25c8ca3acc69b254400cca44c59ff0af212041e316026712
[INFO] running `"docker" "start" "-a" "d981630e60067dce25c8ca3acc69b254400cca44c59ff0af212041e316026712"`
[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/rustwide/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 prefixing with an underscore: `_maze_map`
[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 prefixing with an underscore: `_maze_map`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `"docker" "inspect" "d981630e60067dce25c8ca3acc69b254400cca44c59ff0af212041e316026712"`
[INFO] running `"docker" "rm" "-f" "d981630e60067dce25c8ca3acc69b254400cca44c59ff0af212041e316026712"`
[INFO] [stdout] d981630e60067dce25c8ca3acc69b254400cca44c59ff0af212041e316026712