[INFO] fetching crate raster-retrace 0.1.2...
[INFO] testing raster-retrace-0.1.2 against 1.69.0 for beta-1.70-1
[INFO] extracting crate raster-retrace 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate raster-retrace 0.1.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raster-retrace 0.1.2
[INFO] finished tweaking crates.io crate raster-retrace 0.1.2
[INFO] tweaked toml for crates.io crate raster-retrace 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae17e2236b35f51302dc0198c83e1d7397bac7ab3d22d7720fab5eef52ea6be3
[INFO] running `Command { std: "docker" "start" "-a" "ae17e2236b35f51302dc0198c83e1d7397bac7ab3d22d7720fab5eef52ea6be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae17e2236b35f51302dc0198c83e1d7397bac7ab3d22d7720fab5eef52ea6be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae17e2236b35f51302dc0198c83e1d7397bac7ab3d22d7720fab5eef52ea6be3", kill_on_drop: false }`
[INFO] [stdout] ae17e2236b35f51302dc0198c83e1d7397bac7ab3d22d7720fab5eef52ea6be3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae15746b79af55c955e02a9242fe4a2a543d23aa2ffada97b1f5843ebb7179f5
[INFO] running `Command { std: "docker" "start" "-a" "ae15746b79af55c955e02a9242fe4a2a543d23aa2ffada97b1f5843ebb7179f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling raster-retrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout] 5 + pub const ARGDEF_REQUIRED: u32 = 1 << 0;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout] 6 + pub const ARGDEF_VARARGS: u32 =  1 << 1;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ((i - 1) >> 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     ((i - 1) >> 1)
[INFO] [stdout] 76 +     (i - 1) >> 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     ((i << 1) + 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     ((i << 1) + 1)
[INFO] [stdout] 79 +     (i << 1) + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ((i << 1) + 2)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     ((i << 1) + 2)
[INFO] [stdout] 82 +     (i << 1) + 2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         (a.value < b.value)
[INFO] [stdout]    |         ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -         (a.value < b.value)
[INFO] [stdout] 96 +         a.value < b.value
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 45 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 46 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 47 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 48 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_outline.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   ((x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     |                       ^
[INFO] [stdout] 150 | ...                    (y == xy_a[1] && y == xy_b[1]))
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 150 ~                              (y == xy_a[1] && y == xy_b[1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 21 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 22 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 23 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 24 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub const LD: u8 = (1 << 4);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         pub const LD: u8 = (1 << 4);
[INFO] [stdout] 26 +         pub const LD: u8 = 1 << 4;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |         pub const LU: u8 = (1 << 5);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         pub const LU: u8 = (1 << 5);
[INFO] [stdout] 27 +         pub const LU: u8 = 1 << 5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub const RD: u8 = (1 << 6);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         pub const RD: u8 = (1 << 6);
[INFO] [stdout] 28 +         pub const RD: u8 = 1 << 6;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |         pub const RU: u8 = (1 << 7);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -         pub const RU: u8 = (1 << 7);
[INFO] [stdout] 29 +         pub const RU: u8 = 1 << 7;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:192:29
[INFO] [stdout]     |
[INFO] [stdout] 192 | / ...                   (
[INFO] [stdout] 193 | | ...                       // axis aligned
[INFO] [stdout] 194 | | ...                       (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] ...
[INFO] [stdout] 212 |   ...                       }
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 213 | | ...                    )
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 193 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout]   ...
[INFO] [stdout] 209 |                                      y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout] 210 ~                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:203:37
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   (x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 211 | ...                    y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 ~                                     x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout] 204 |                                      // no need to check 'b', signum accounts for that case.
[INFO] [stdout]   ...
[INFO] [stdout] 210 |                                      x_a_delta.signum() == x_b_delta.signum() &&
[INFO] [stdout] 211 ~                                      y_a_delta.signum() == y_b_delta.signum()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 |         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 218 +         if neighbors & DIR_S != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:219:37
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 219 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 226 -         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 226 +         if neighbors & DIR_W != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:227:37
[INFO] [stdout]     |
[INFO] [stdout] 227 |         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 227 +         if neighbors & DIR_S != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:234:37
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 234 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 234 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:235:37
[INFO] [stdout]     |
[INFO] [stdout] 235 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 235 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 235 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:242:37
[INFO] [stdout]     |
[INFO] [stdout] 242 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 242 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:243:37
[INFO] [stdout]     |
[INFO] [stdout] 243 |         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 243 +         if neighbors & DIR_W != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/curve_write.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::io::prelude::Write;
[INFO] [stdout]    |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |         use std::io::prelude::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/curve_write.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::io::prelude::Write;
[INFO] [stdout]    |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 83 |         use std::io::prelude::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/curve_write.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 14  |     use std::io::prelude::Write;
[INFO] [stdout]     |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 192 |         use std::io::prelude::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/curve_write.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 14  |     use std::io::prelude::Write;
[INFO] [stdout]     |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 256 |         use std::io::prelude::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/curve_write.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 14  |     use std::io::prelude::Write;
[INFO] [stdout]     |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 355 |         use std::io::prelude::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `polys_from_raster_centerline` is imported redundantly
[INFO] [stdout]   --> src/main.rs:96:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | mod polys_from_raster_centerline;
[INFO] [stdout]    | --------------------------------- the item `polys_from_raster_centerline` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 96 |                 use polys_from_raster_centerline;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image_skeletonize` is imported redundantly
[INFO] [stdout]    --> src/main.rs:541:21
[INFO] [stdout]     |
[INFO] [stdout] 17  | mod image_skeletonize;
[INFO] [stdout]     | ---------------------- the item `image_skeletonize` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 541 |                 use image_skeletonize;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "ae15746b79af55c955e02a9242fe4a2a543d23aa2ffada97b1f5843ebb7179f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae15746b79af55c955e02a9242fe4a2a543d23aa2ffada97b1f5843ebb7179f5", kill_on_drop: false }`
[INFO] [stdout] ae15746b79af55c955e02a9242fe4a2a543d23aa2ffada97b1f5843ebb7179f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21dd972933969a104d0489a891145dccba54e2e15cc6b1128b24b99ce5e6685e
[INFO] running `Command { std: "docker" "start" "-a" "21dd972933969a104d0489a891145dccba54e2e15cc6b1128b24b99ce5e6685e", kill_on_drop: false }`
[INFO] [stderr]    Compiling raster-retrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout] 5 + pub const ARGDEF_REQUIRED: u32 = 1 << 0;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout] 6 + pub const ARGDEF_VARARGS: u32 =  1 << 1;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ((i - 1) >> 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     ((i - 1) >> 1)
[INFO] [stdout] 76 +     (i - 1) >> 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     ((i << 1) + 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     ((i << 1) + 1)
[INFO] [stdout] 79 +     (i << 1) + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ((i << 1) + 2)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     ((i << 1) + 2)
[INFO] [stdout] 82 +     (i << 1) + 2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         (a.value < b.value)
[INFO] [stdout]    |         ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -         (a.value < b.value)
[INFO] [stdout] 96 +         a.value < b.value
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 45 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 46 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 47 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 48 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_outline.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   ((x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     |                       ^
[INFO] [stdout] 150 | ...                    (y == xy_a[1] && y == xy_b[1]))
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 150 ~                              (y == xy_a[1] && y == xy_b[1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 21 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 22 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 23 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 24 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub const LD: u8 = (1 << 4);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         pub const LD: u8 = (1 << 4);
[INFO] [stdout] 26 +         pub const LD: u8 = 1 << 4;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |         pub const LU: u8 = (1 << 5);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         pub const LU: u8 = (1 << 5);
[INFO] [stdout] 27 +         pub const LU: u8 = 1 << 5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub const RD: u8 = (1 << 6);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         pub const RD: u8 = (1 << 6);
[INFO] [stdout] 28 +         pub const RD: u8 = 1 << 6;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |         pub const RU: u8 = (1 << 7);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -         pub const RU: u8 = (1 << 7);
[INFO] [stdout] 29 +         pub const RU: u8 = 1 << 7;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:192:29
[INFO] [stdout]     |
[INFO] [stdout] 192 | / ...                   (
[INFO] [stdout] 193 | | ...                       // axis aligned
[INFO] [stdout] 194 | | ...                       (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] ...
[INFO] [stdout] 212 |   ...                       }
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 213 | | ...                    )
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 193 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout]   ...
[INFO] [stdout] 209 |                                      y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout] 210 ~                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:203:37
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   (x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 211 | ...                    y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 ~                                     x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout] 204 |                                      // no need to check 'b', signum accounts for that case.
[INFO] [stdout]   ...
[INFO] [stdout] 210 |                                      x_a_delta.signum() == x_b_delta.signum() &&
[INFO] [stdout] 211 ~                                      y_a_delta.signum() == y_b_delta.signum()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 |         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 218 +         if neighbors & DIR_S != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:219:37
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 219 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 226 -         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 226 +         if neighbors & DIR_W != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:227:37
[INFO] [stdout]     |
[INFO] [stdout] 227 |         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 227 +         if neighbors & DIR_S != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:234:37
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 234 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 234 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:235:37
[INFO] [stdout]     |
[INFO] [stdout] 235 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 235 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 235 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:242:37
[INFO] [stdout]     |
[INFO] [stdout] 242 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 242 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:243:37
[INFO] [stdout]     |
[INFO] [stdout] 243 |         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 243 +         if neighbors & DIR_W != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/curve_write.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::io::prelude::Write;
[INFO] [stdout]    |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |         use std::io::prelude::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/curve_write.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::io::prelude::Write;
[INFO] [stdout]    |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 83 |         use std::io::prelude::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/curve_write.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 14  |     use std::io::prelude::Write;
[INFO] [stdout]     |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 192 |         use std::io::prelude::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/curve_write.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 14  |     use std::io::prelude::Write;
[INFO] [stdout]     |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 256 |         use std::io::prelude::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/curve_write.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 14  |     use std::io::prelude::Write;
[INFO] [stdout]     |         ----------------------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 355 |         use std::io::prelude::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `polys_from_raster_centerline` is imported redundantly
[INFO] [stdout]   --> src/main.rs:96:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | mod polys_from_raster_centerline;
[INFO] [stdout]    | --------------------------------- the item `polys_from_raster_centerline` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 96 |                 use polys_from_raster_centerline;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image_skeletonize` is imported redundantly
[INFO] [stdout]    --> src/main.rs:541:21
[INFO] [stdout]     |
[INFO] [stdout] 17  | mod image_skeletonize;
[INFO] [stdout]     | ---------------------- the item `image_skeletonize` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 541 |                 use image_skeletonize;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "21dd972933969a104d0489a891145dccba54e2e15cc6b1128b24b99ce5e6685e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21dd972933969a104d0489a891145dccba54e2e15cc6b1128b24b99ce5e6685e", kill_on_drop: false }`
[INFO] [stdout] 21dd972933969a104d0489a891145dccba54e2e15cc6b1128b24b99ce5e6685e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 397f5a8c79a9728e1afe2b06da557c4c379e106882205fd1ec60cb7bf112a99f
[INFO] running `Command { std: "docker" "start" "-a" "397f5a8c79a9728e1afe2b06da557c4c379e106882205fd1ec60cb7bf112a99f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/intern/argparse/mod.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stderr]   |                                  ^      ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stderr] 5 + pub const ARGDEF_REQUIRED: u32 = 1 << 0;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/intern/argparse/mod.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stderr]   |                                  ^      ^
[INFO] [stderr]   |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stderr] 6 + pub const ARGDEF_VARARGS: u32 =  1 << 1;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     ((i - 1) >> 1)
[INFO] [stderr]    |     ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 76 -     ((i - 1) >> 1)
[INFO] [stderr] 76 +     (i - 1) >> 1
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     ((i << 1) + 1)
[INFO] [stderr]    |     ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -     ((i << 1) + 1)
[INFO] [stderr] 79 +     (i << 1) + 1
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     ((i << 1) + 2)
[INFO] [stderr]    |     ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 82 -     ((i << 1) + 2)
[INFO] [stderr] 82 +     (i << 1) + 2
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         (a.value < b.value)
[INFO] [stderr]    |         ^                 ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 -         (a.value < b.value)
[INFO] [stderr] 96 +         a.value < b.value
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |         pub const L: u8 = (1 << 0);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -         pub const L: u8 = (1 << 0);
[INFO] [stderr] 45 +         pub const L: u8 = 1 << 0;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:46:27
[INFO] [stderr]    |
[INFO] [stderr] 46 |         pub const R: u8 = (1 << 1);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 46 -         pub const R: u8 = (1 << 1);
[INFO] [stderr] 46 +         pub const R: u8 = 1 << 1;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 |         pub const D: u8 = (1 << 2);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 47 -         pub const D: u8 = (1 << 2);
[INFO] [stderr] 47 +         pub const D: u8 = 1 << 2;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:48:27
[INFO] [stderr]    |
[INFO] [stderr] 48 |         pub const U: u8 = (1 << 3);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -         pub const U: u8 = (1 << 3);
[INFO] [stderr] 48 +         pub const U: u8 = 1 << 3;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/polys_from_raster_outline.rs:149:29
[INFO] [stderr]     |
[INFO] [stderr] 149 | ...                   ((x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr]     |                       ^
[INFO] [stderr] 150 | ...                    (y == xy_a[1] && y == xy_b[1]))
[INFO] [stderr]     |                                                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 149 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr] 150 ~                              (y == xy_a[1] && y == xy_b[1])
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |         pub const L: u8 = (1 << 0);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 21 -         pub const L: u8 = (1 << 0);
[INFO] [stderr] 21 +         pub const L: u8 = 1 << 0;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |         pub const R: u8 = (1 << 1);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 22 -         pub const R: u8 = (1 << 1);
[INFO] [stderr] 22 +         pub const R: u8 = 1 << 1;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |         pub const D: u8 = (1 << 2);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -         pub const D: u8 = (1 << 2);
[INFO] [stderr] 23 +         pub const D: u8 = 1 << 2;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |         pub const U: u8 = (1 << 3);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 24 -         pub const U: u8 = (1 << 3);
[INFO] [stderr] 24 +         pub const U: u8 = 1 << 3;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |         pub const LD: u8 = (1 << 4);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -         pub const LD: u8 = (1 << 4);
[INFO] [stderr] 26 +         pub const LD: u8 = 1 << 4;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub const LU: u8 = (1 << 5);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 -         pub const LU: u8 = (1 << 5);
[INFO] [stderr] 27 +         pub const LU: u8 = 1 << 5;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |         pub const RD: u8 = (1 << 6);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 28 -         pub const RD: u8 = (1 << 6);
[INFO] [stderr] 28 +         pub const RD: u8 = 1 << 6;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:29:28
[INFO] [stderr]    |
[INFO] [stderr] 29 |         pub const RU: u8 = (1 << 7);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 29 -         pub const RU: u8 = (1 << 7);
[INFO] [stderr] 29 +         pub const RU: u8 = 1 << 7;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/polys_from_raster_centerline.rs:192:29
[INFO] [stderr]     |
[INFO] [stderr] 192 | / ...                   (
[INFO] [stderr] 193 | | ...                       // axis aligned
[INFO] [stderr] 194 | | ...                       (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr]     | |__________________________^
[INFO] [stderr] ...
[INFO] [stderr] 212 |   ...                       }
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 213 | | ...                    )
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 192 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr] 193 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stderr]   ...
[INFO] [stderr] 209 |                                      y_a_delta.signum() == y_b_delta.signum())
[INFO] [stderr] 210 ~                                 }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/polys_from_raster_centerline.rs:203:37
[INFO] [stderr]     |
[INFO] [stderr] 203 | ...                   (x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stderr]     |                       ^
[INFO] [stderr] ...
[INFO] [stderr] 211 | ...                    y_a_delta.signum() == y_b_delta.signum())
[INFO] [stderr]     |                                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 203 ~                                     x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stderr] 204 |                                      // no need to check 'b', signum accounts for that case.
[INFO] [stderr]   ...
[INFO] [stderr] 210 |                                      x_a_delta.signum() == x_b_delta.signum() &&
[INFO] [stderr] 211 ~                                      y_a_delta.signum() == y_b_delta.signum()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:218:37
[INFO] [stderr]     |
[INFO] [stderr] 218 |         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 218 +         if neighbors & DIR_S != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:219:37
[INFO] [stderr]     |
[INFO] [stderr] 219 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 219 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr] 219 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:226:37
[INFO] [stderr]     |
[INFO] [stderr] 226 |         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 226 -         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 226 +         if neighbors & DIR_W != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:227:37
[INFO] [stderr]     |
[INFO] [stderr] 227 |         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 227 -         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr] 227 +         if neighbors & DIR_S != 0 { 1 << 2 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:234:37
[INFO] [stderr]     |
[INFO] [stderr] 234 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 234 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 234 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:235:37
[INFO] [stderr]     |
[INFO] [stderr] 235 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 235 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr] 235 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:242:37
[INFO] [stderr]     |
[INFO] [stderr] 242 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 242 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 242 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:243:37
[INFO] [stderr]     |
[INFO] [stderr] 243 |         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 243 -         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr] 243 +         if neighbors & DIR_W != 0 { 1 << 2 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/curve_write.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     use std::io::prelude::Write;
[INFO] [stderr]    |         ----------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 45 |         use std::io::prelude::Write;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/curve_write.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     use std::io::prelude::Write;
[INFO] [stderr]    |         ----------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 83 |         use std::io::prelude::Write;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/curve_write.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 14  |     use std::io::prelude::Write;
[INFO] [stderr]     |         ----------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 192 |         use std::io::prelude::Write;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/curve_write.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 14  |     use std::io::prelude::Write;
[INFO] [stderr]     |         ----------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 256 |         use std::io::prelude::Write;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/curve_write.rs:355:13
[INFO] [stderr]     |
[INFO] [stderr] 14  |     use std::io::prelude::Write;
[INFO] [stderr]     |         ----------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 355 |         use std::io::prelude::Write;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `polys_from_raster_centerline` is imported redundantly
[INFO] [stderr]   --> src/main.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | mod polys_from_raster_centerline;
[INFO] [stderr]    | --------------------------------- the item `polys_from_raster_centerline` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 96 |                 use polys_from_raster_centerline;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `image_skeletonize` is imported redundantly
[INFO] [stderr]    --> src/main.rs:541:21
[INFO] [stderr]     |
[INFO] [stderr] 17  | mod image_skeletonize;
[INFO] [stderr]     | ---------------------- the item `image_skeletonize` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 541 |                 use image_skeletonize;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/intern/argparse/mod.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |     callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/intern/argparse/mod.rs:87:23
[INFO] [stderr]    |
[INFO] [stderr] 87 |         callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 |         callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `raster-retrace` (bin "raster-retrace" test) generated 38 warnings (run `cargo fix --bin "raster-retrace" --tests` to apply 31 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raster_retrace-8d61d13054146e41)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_image_small ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_image_small stdout ----
[INFO] [stdout] 12 -> 3
[INFO] [stdout] 68 -> 14
[INFO] [stdout] Total points: 17
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test_image_small' panicked at 'Create output file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/main.rs:151:54
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56026e0600aa - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x56026e0600aa - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56026e0600aa - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x56026e0600aa - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56026e08378e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x56026e05d525 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x56026e05fe75 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x56026e05fe75 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x56026e061c3f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x56026e0618ff - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x56026e0345b7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x56026e0345b7 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x56026e06236d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x56026e06236d - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x56026e0620e9 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x56026e060516 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x56026e061df2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x56026dfb9b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x56026dfb9fd3 - core::result::unwrap_failed::hdff5465d74574b44
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1750:5
[INFO] [stdout]   19:     0x56026dfdaa4d - core::result::Result<T,E>::expect::hdc3f53e1aa0f8c3f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1047:23
[INFO] [stdout]   20:     0x56026dfcf1d4 - raster_retrace::trace_image::h3918a1d808d33d08
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:151:13
[INFO] [stdout]   21:     0x56026dfdd8ed - raster_retrace::test::test_image_small::h4438ff33b4424d67
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:12:19
[INFO] [stdout]   22:     0x56026dfdd7f7 - raster_retrace::test::test_image_small::{{closure}}::h5a2892d5e936c6f9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:8:18
[INFO] [stdout]   23:     0x56026dffc445 - core::ops::function::FnOnce::call_once::hbdb9fdb9b1b10d32
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56026e03999f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56026e03999f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   26:     0x56026e00afbc - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   27:     0x56026e00afbc - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x56026e038966 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   29:     0x56026e038966 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   30:     0x56026e038966 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   31:     0x56026e038966 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   32:     0x56026e038966 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   33:     0x56026e038966 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   34:     0x56026e038966 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   35:     0x56026e005631 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   36:     0x56026e005631 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   37:     0x56026e00b04b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   38:     0x56026e00b04b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   39:     0x56026e00b04b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   40:     0x56026e00b04b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   41:     0x56026e00b04b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   42:     0x56026e00b04b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   43:     0x56026e00b04b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x56026e0666d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x56026e0666d3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   46:     0x56026e0666d3 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f555d1cbb43 - <unknown>
[INFO] [stdout]   48:     0x7f555d25cbb4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_image_small
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin raster-retrace`
[INFO] running `Command { std: "docker" "inspect" "397f5a8c79a9728e1afe2b06da557c4c379e106882205fd1ec60cb7bf112a99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397f5a8c79a9728e1afe2b06da557c4c379e106882205fd1ec60cb7bf112a99f", kill_on_drop: false }`
[INFO] [stdout] 397f5a8c79a9728e1afe2b06da557c4c379e106882205fd1ec60cb7bf112a99f
