[INFO] updating cached repository gluyas/niwa-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gluyas/niwa-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gluyas/niwa-rs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/gluyas/niwa-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/gluyas/niwa-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gluyas/niwa-rs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/gluyas/niwa-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/gluyas/niwa-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bed97251b7a0b4b40881cc8e92755c9c225fd876
[INFO] sha for GitHub repo gluyas/niwa-rs: bed97251b7a0b4b40881cc8e92755c9c225fd876
[INFO] validating manifest of gluyas/niwa-rs 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 gluyas/niwa-rs 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 gluyas/niwa-rs
[INFO] finished frobbing gluyas/niwa-rs
[INFO] frobbed toml for gluyas/niwa-rs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/gluyas/niwa-rs/Cargo.toml
[INFO] started frobbing gluyas/niwa-rs
[INFO] finished frobbing gluyas/niwa-rs
[INFO] frobbed toml for gluyas/niwa-rs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/gluyas/niwa-rs/Cargo.toml
[INFO] crate gluyas/niwa-rs 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 gluyas/niwa-rs 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/gluyas/niwa-rs:/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] 48e21e4f0bbf17cce411c49c8633211929c8e8a57a6217613aece41ffcd53489
[INFO] running `"docker" "start" "-a" "48e21e4f0bbf17cce411c49c8633211929c8e8a57a6217613aece41ffcd53489"`
[INFO] [stderr]     Checking niwa-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/util.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         *self += (-rhs.into());
[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 assigned value
[INFO] [stderr]   --> src/util.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         *self += (-rhs.into());
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nudge`
[INFO] [stderr]   --> src/util.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn nudge(self, dir: Direction) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `snap_to_edge`
[INFO] [stderr]    --> src/util.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn snap_to_edge <P: Into<GridIndex>> (mut self, dir: Direction, bounds: P) -> GridIndex {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_rect`
[INFO] [stderr]    --> src/util.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn iter_rect(self, dir_primary: Direction, dir_secondary: Direction) -> RectIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_within`
[INFO] [stderr]    --> src/util.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn is_within <P: Into<GridIndex>> (self, bound: P) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `component_add`
[INFO] [stderr]    --> src/util.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn component_add <P: Into<GridIndex>> (self, other: P) -> GridIndex {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `component_diff`
[INFO] [stderr]    --> src/util.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn component_diff <P: Into<GridIndex>> (self, other: P) -> GridIndex {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RectIterator`
[INFO] [stderr]    --> src/util.rs:234:1
[INFO] [stderr]     |
[INFO] [stderr] 234 | pub struct RectIterator {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/util.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub fn new <P: Into<GridIndex>> (range: P, dir_primary: Direction, dir_secondary: Direction) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of`
[INFO] [stderr]    --> src/util.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |     pub fn of <P: Into<GridIndex>> (size: P, val: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dirt`
[INFO] [stderr]   --> src/world.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Dirt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sand`
[INFO] [stderr]   --> src/world.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Sand,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stone`
[INFO] [stderr]   --> src/world.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Stone,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Water`
[INFO] [stderr]   --> src/world.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Water,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_blocked`
[INFO] [stderr]   --> src/puzzle.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn is_blocked <P: Into<GridIndex>> (&self, pos: P, dir: Direction) -> Option<PuzzleId> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Complete`
[INFO] [stderr]   --> src/puzzle.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     Complete,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_walls`
[INFO] [stderr]    --> src/puzzle.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn set_walls(&mut self, dirs: &[Direction]) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/util.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self + dir;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nudge`
[INFO] [stderr]   --> src/util.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn nudge(self, dir: Direction) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `snap_to_edge`
[INFO] [stderr]    --> src/util.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn snap_to_edge <P: Into<GridIndex>> (mut self, dir: Direction, bounds: P) -> GridIndex {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_rect`
[INFO] [stderr]    --> src/util.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn iter_rect(self, dir_primary: Direction, dir_secondary: Direction) -> RectIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_within`
[INFO] [stderr]    --> src/util.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn is_within <P: Into<GridIndex>> (self, bound: P) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `component_add`
[INFO] [stderr]    --> src/util.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn component_add <P: Into<GridIndex>> (self, other: P) -> GridIndex {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `component_diff`
[INFO] [stderr]    --> src/util.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn component_diff <P: Into<GridIndex>> (self, other: P) -> GridIndex {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RectIterator`
[INFO] [stderr]    --> src/util.rs:234:1
[INFO] [stderr]     |
[INFO] [stderr] 234 | pub struct RectIterator {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/util.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub fn new <P: Into<GridIndex>> (range: P, dir_primary: Direction, dir_secondary: Direction) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of`
[INFO] [stderr]    --> src/util.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |     pub fn of <P: Into<GridIndex>> (size: P, val: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dirt`
[INFO] [stderr]   --> src/world.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Dirt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sand`
[INFO] [stderr]   --> src/world.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Sand,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stone`
[INFO] [stderr]   --> src/world.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Stone,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Water`
[INFO] [stderr]   --> src/world.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Water,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_blocked`
[INFO] [stderr]   --> src/puzzle.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn is_blocked <P: Into<GridIndex>> (&self, pos: P, dir: Direction) -> Option<PuzzleId> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Complete`
[INFO] [stderr]   --> src/puzzle.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     Complete,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_walls`
[INFO] [stderr]    --> src/puzzle.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn set_walls(&mut self, dirs: &[Direction]) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/util.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self + dir;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "48e21e4f0bbf17cce411c49c8633211929c8e8a57a6217613aece41ffcd53489"`
[INFO] running `"docker" "rm" "-f" "48e21e4f0bbf17cce411c49c8633211929c8e8a57a6217613aece41ffcd53489"`
[INFO] [stdout] 48e21e4f0bbf17cce411c49c8633211929c8e8a57a6217613aece41ffcd53489