[INFO] updating cached repository cjm00/rust-wfc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cjm00/rust-wfc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cjm00/rust-wfc" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cjm00/rust-wfc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cjm00/rust-wfc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cjm00/rust-wfc" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/cjm00/rust-wfc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/cjm00/rust-wfc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76b262ba3707afe22f6a6d8a9699aa9413d91955
[INFO] sha for GitHub repo cjm00/rust-wfc: 76b262ba3707afe22f6a6d8a9699aa9413d91955
[INFO] validating manifest of cjm00/rust-wfc on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cjm00/rust-wfc on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cjm00/rust-wfc
[INFO] finished frobbing cjm00/rust-wfc
[INFO] frobbed toml for cjm00/rust-wfc written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cjm00/rust-wfc/Cargo.toml
[INFO] started frobbing cjm00/rust-wfc
[INFO] finished frobbing cjm00/rust-wfc
[INFO] frobbed toml for cjm00/rust-wfc written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/cjm00/rust-wfc/Cargo.toml
[INFO] crate cjm00/rust-wfc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cjm00/rust-wfc against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cjm00/rust-wfc:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 32b29735ec415071a4cb1372665829ef20a87e98bc93242f65fc8a7a2435ac0c
[INFO] running `"docker" "start" "-a" "32b29735ec415071a4cb1372665829ef20a87e98bc93242f65fc8a7a2435ac0c"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling ndarray v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking rust-wfc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/overlappingmodel.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 | /         /// Marks all but a single state of the BitVec as forbidden, randomly chosen
[INFO] [stderr] 89 | |         /// from the states still permitted and weighted by their frequency in the original image.
[INFO] [stderr]    | |__________________________________________________________________________________________________^
[INFO] [stderr] 90 |           let mut possible_states = self.possible_states.borrow_mut();
[INFO] [stderr]    |           ------------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/utils.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     /// Returns an index from the slice of (T, u) where u is the integer weight, i.e.
[INFO] [stderr] 41 | |     /// [('a', 3), ('b', 1), ('c', 1)] returns 0 (the index of 'a') with probability 3/5
[INFO] [stderr]    | |________________________________________________________________________________________^
[INFO] [stderr] 42 | 
[INFO] [stderr] 43 | /     let total: usize = input.iter()
[INFO] [stderr] 44 | |         .map(|&(_, u)| u)
[INFO] [stderr] 45 | |         .zip(mask.into_iter())
[INFO] [stderr] 46 | |         .filter(|&(_, m)| m)
[INFO] [stderr] 47 | |         .map(|(u, _)| u)
[INFO] [stderr] 48 | |         .sum();
[INFO] [stderr]    | |_______________- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/overlappingmodel.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 | /         /// Marks all but a single state of the BitVec as forbidden, randomly chosen
[INFO] [stderr] 89 | |         /// from the states still permitted and weighted by their frequency in the original image.
[INFO] [stderr]    | |__________________________________________________________________________________________________^
[INFO] [stderr] 90 |           let mut possible_states = self.possible_states.borrow_mut();
[INFO] [stderr]    |           ------------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/utils.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     /// Returns an index from the slice of (T, u) where u is the integer weight, i.e.
[INFO] [stderr] 41 | |     /// [('a', 3), ('b', 1), ('c', 1)] returns 0 (the index of 'a') with probability 3/5
[INFO] [stderr]    | |________________________________________________________________________________________^
[INFO] [stderr] 42 | 
[INFO] [stderr] 43 | /     let total: usize = input.iter()
[INFO] [stderr] 44 | |         .map(|&(_, u)| u)
[INFO] [stderr] 45 | |         .zip(mask.into_iter())
[INFO] [stderr] 46 | |         .filter(|&(_, m)| m)
[INFO] [stderr] 47 | |         .map(|(u, _)| u)
[INFO] [stderr] 48 | |         .sum();
[INFO] [stderr]    | |_______________- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coord`
[INFO] [stderr]    --> src/overlappingmodel.rs:421:45
[INFO] [stderr]     |
[INFO] [stderr] 421 |     fn wrap_coord<T: TryInto<usize>>(&self, coord: (T, T)) -> Result<(usize, usize), ()> {
[INFO] [stderr]     |                                             ^^^^^ help: consider prefixing with an underscore: `_coord`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coord`
[INFO] [stderr]    --> src/overlappingmodel.rs:421:45
[INFO] [stderr]     |
[INFO] [stderr] 421 |     fn wrap_coord<T: TryInto<usize>>(&self, coord: (T, T)) -> Result<(usize, usize), ()> {
[INFO] [stderr]     |                                             ^^^^^ help: consider prefixing with an underscore: `_coord`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `"docker" "inspect" "32b29735ec415071a4cb1372665829ef20a87e98bc93242f65fc8a7a2435ac0c"`
[INFO] running `"docker" "rm" "-f" "32b29735ec415071a4cb1372665829ef20a87e98bc93242f65fc8a7a2435ac0c"`
[INFO] [stdout] 32b29735ec415071a4cb1372665829ef20a87e98bc93242f65fc8a7a2435ac0c