[INFO] updating cached repository Alexander-Panin/packman
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Alexander-Panin/packman
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Alexander-Panin/packman" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Alexander-Panin/packman"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Alexander-Panin/packman'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Alexander-Panin/packman" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Alexander-Panin/packman"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Alexander-Panin/packman'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 744338cfb0e8f15d7565e89d012d7ee5bb13048e
[INFO] sha for GitHub repo Alexander-Panin/packman: 744338cfb0e8f15d7565e89d012d7ee5bb13048e
[INFO] validating manifest of Alexander-Panin/packman on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Alexander-Panin/packman on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Alexander-Panin/packman
[INFO] finished frobbing Alexander-Panin/packman
[INFO] frobbed toml for Alexander-Panin/packman written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Alexander-Panin/packman/Cargo.toml
[INFO] started frobbing Alexander-Panin/packman
[INFO] finished frobbing Alexander-Panin/packman
[INFO] frobbed toml for Alexander-Panin/packman written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Alexander-Panin/packman/Cargo.toml
[INFO] crate Alexander-Panin/packman already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Alexander-Panin/packman/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Alexander-Panin/packman against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Alexander-Panin/packman:/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cecadd32c775a82ecb31ae381da31d990534162e9fbb5d40daa8d24d11bd776f
[INFO] running `"docker" "start" "-a" "cecadd32c775a82ecb31ae381da31d990534162e9fbb5d40daa8d24d11bd776f"`
[INFO] [stderr]     Checking packman v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:55:39
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn hero_move(hero: &mut Hero, x: i32, mut w: &mut world_t) -> Option<(usize, char)> {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:62:67
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn ghost_move(ghost: &mut Ghost, t: usize, x: usize, hero: &Hero, mut w: &mut world_t) {
[INFO] [stderr]    |                                                                   ----^
[INFO] [stderr]    |                                                                   |
[INFO] [stderr]    |                                                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:55:39
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn hero_move(hero: &mut Hero, x: i32, mut w: &mut world_t) -> Option<(usize, char)> {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:62:67
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn ghost_move(ghost: &mut Ghost, t: usize, x: usize, hero: &Hero, mut w: &mut world_t) {
[INFO] [stderr]    |                                                                   ----^
[INFO] [stderr]    |                                                                   |
[INFO] [stderr]    |                                                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `matrix_t`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | type matrix_t = Vec<Vec<usize>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `matrix_t`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | type matrix_t = Vec<Vec<usize>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "cecadd32c775a82ecb31ae381da31d990534162e9fbb5d40daa8d24d11bd776f"`
[INFO] running `"docker" "rm" "-f" "cecadd32c775a82ecb31ae381da31d990534162e9fbb5d40daa8d24d11bd776f"`
[INFO] [stdout] cecadd32c775a82ecb31ae381da31d990534162e9fbb5d40daa8d24d11bd776f