[INFO] updating cached repository maxwellburson/42_N-puzzle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maxwellburson/42_N-puzzle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maxwellburson/42_N-puzzle" "work/ex/beta-1.38-1/sources/1.37.0/gh/maxwellburson/42_N-puzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/maxwellburson/42_N-puzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maxwellburson/42_N-puzzle" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maxwellburson/42_N-puzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maxwellburson/42_N-puzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 02434ae1179651b21d85a48a3ab3831005cd85d4
[INFO] sha for GitHub repo maxwellburson/42_N-puzzle: 02434ae1179651b21d85a48a3ab3831005cd85d4
[INFO] validating manifest of maxwellburson/42_N-puzzle on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maxwellburson/42_N-puzzle on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maxwellburson/42_N-puzzle
[INFO] finished frobbing maxwellburson/42_N-puzzle
[INFO] frobbed toml for maxwellburson/42_N-puzzle written to work/ex/beta-1.38-1/sources/1.37.0/gh/maxwellburson/42_N-puzzle/Cargo.toml
[INFO] started frobbing maxwellburson/42_N-puzzle
[INFO] finished frobbing maxwellburson/42_N-puzzle
[INFO] frobbed toml for maxwellburson/42_N-puzzle written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maxwellburson/42_N-puzzle/Cargo.toml
[INFO] crate maxwellburson/42_N-puzzle already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing maxwellburson/42_N-puzzle against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/maxwellburson/42_N-puzzle:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8361d8314fdb402a0cb69724c3476786449ff57f8cac5bf02a926f234ff819e8
[INFO] running `"docker" "start" "-a" "8361d8314fdb402a0cb69724c3476786449ff57f8cac5bf02a926f234ff819e8"`
[INFO] [stderr]    Compiling n_puzzle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/puzzle/mod.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |             moves.push(((self.x, self.y - 1)));
[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/puzzle/mod.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |             moves.push(((self.x, self.y + 1)));
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/a_star/solve.rs:75:30
[INFO] [stderr]    |
[INFO] [stderr] 75 |             if ( if let Some(mut s_cell) = states.get(&s.data) {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "8361d8314fdb402a0cb69724c3476786449ff57f8cac5bf02a926f234ff819e8"`
[INFO] running `"docker" "rm" "-f" "8361d8314fdb402a0cb69724c3476786449ff57f8cac5bf02a926f234ff819e8"`
[INFO] [stdout] 8361d8314fdb402a0cb69724c3476786449ff57f8cac5bf02a926f234ff819e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/maxwellburson/42_N-puzzle:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5b8accf0177955663d1a11ddbf66dcd73960450fbc2f45e82b9f0f41a8127ce7
[INFO] running `"docker" "start" "-a" "5b8accf0177955663d1a11ddbf66dcd73960450fbc2f45e82b9f0f41a8127ce7"`
[INFO] [stderr]    Compiling n_puzzle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `generate_final_data` in this scope
[INFO] [stderr]   --> src/puzzle/generate_final.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         generate_final_data(3),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `generate_final`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `generate_final_data` in this scope
[INFO] [stderr]   --> src/puzzle/generate_final.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         generate_final_data(4),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `generate_final`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `generate_final_data` in this scope
[INFO] [stderr]   --> src/puzzle/generate_final.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         generate_final_data(5),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `generate_final`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/puzzle/mod.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |             moves.push(((self.x, self.y - 1)));
[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/puzzle/mod.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |             moves.push(((self.x, self.y + 1)));
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `n_puzzle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5b8accf0177955663d1a11ddbf66dcd73960450fbc2f45e82b9f0f41a8127ce7"`
[INFO] running `"docker" "rm" "-f" "5b8accf0177955663d1a11ddbf66dcd73960450fbc2f45e82b9f0f41a8127ce7"`
[INFO] [stdout] 5b8accf0177955663d1a11ddbf66dcd73960450fbc2f45e82b9f0f41a8127ce7