[INFO] fetching crate raster-retrace 0.1.2...
[INFO] building raster-retrace-0.1.2 against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate raster-retrace 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate raster-retrace 0.1.2 on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cad5319f3a8e68fed47a67adf7e759273670c1f6cc2691dce783452718f0e8e8
[INFO] running `Command { std: "docker" "start" "-a" "cad5319f3a8e68fed47a67adf7e759273670c1f6cc2691dce783452718f0e8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cad5319f3a8e68fed47a67adf7e759273670c1f6cc2691dce783452718f0e8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad5319f3a8e68fed47a67adf7e759273670c1f6cc2691dce783452718f0e8e8", kill_on_drop: false }`
[INFO] [stdout] cad5319f3a8e68fed47a67adf7e759273670c1f6cc2691dce783452718f0e8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40c610982ddab57374ed9a4893626cadb46e0efa82d605ff15dbd968de3fa759
[INFO] running `Command { std: "docker" "start" "-a" "40c610982ddab57374ed9a4893626cadb46e0efa82d605ff15dbd968de3fa759", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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: unused import: `::intern::math_vector`
[INFO] [stdout]  --> src/intern/curve_fit_nd/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use ::intern::math_vector;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fit_poly_single`
[INFO] [stdout]   --> src/intern/curve_fit_nd/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fit_poly_single,
[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: 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb151
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at compiler/rustc_mir_build/src/builder/scope.rs:1724:17:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x75e279781caa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h636462e57d5ef1e1
[INFO] [stderr]    1:     0x75e279e13cbc - core::fmt::write::h067060808ac50eb9
[INFO] [stderr]    2:     0x75e27ad28e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd
[INFO] [stderr]    3:     0x75e279781b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9
[INFO] [stderr]    4:     0x75e279783ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d
[INFO] [stderr]    5:     0x75e279783e43 - std::panicking::default_hook::h25f21dc0f2064615
[INFO] [stderr]    6:     0x75e2788eff28 - std[b36e883d67eb0403]::panicking::update_hook::<alloc[b228c160e2f6f380]::boxed::Box<rustc_driver_impl[be5855d19ccc8b6c]::install_ice_hook::{closure#0}>>::{closure#0}
[INFO] [stderr]    7:     0x75e2797847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605
[INFO] [stderr]    8:     0x75e27892a341 - std[b36e883d67eb0403]::panicking::begin_panic::<rustc_errors[485cd74d39701405]::ExplicitBug>::{closure#0}
[INFO] [stderr]    9:     0x75e27891f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::<std[b36e883d67eb0403]::panicking::begin_panic<rustc_errors[485cd74d39701405]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   10:     0x75e27891f50d - std[b36e883d67eb0403]::panicking::begin_panic::<rustc_errors[485cd74d39701405]::ExplicitBug>
[INFO] [stderr]   11:     0x75e2789342a1 - <rustc_errors[485cd74d39701405]::diagnostic::BugAbort as rustc_errors[485cd74d39701405]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   12:     0x75e278e84fdc - <rustc_errors[485cd74d39701405]::DiagCtxtHandle>::span_bug::<rustc_span[26755a3edc0cc6c0]::span_encoding::Span, alloc[b228c160e2f6f380]::string::String>
[INFO] [stderr]   13:     0x75e278f0a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   14:     0x75e278ef006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::<rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   15:     0x75e278eefefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::<rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt<rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   16:     0x75e277334437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt::<rustc_span[26755a3edc0cc6c0]::span_encoding::Span>
[INFO] [stderr]   17:     0x75e27a7d541b - <rustc_mir_build[73684a27b88b946a]::builder::Builder>::build_unwind_tree
[INFO] [stderr]   18:     0x75e27a7cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build
[INFO] [stderr]   19:     0x75e279e07714 - rustc_mir_transform[857cd804783fef4d]::mir_built
[INFO] [stderr]   20:     0x75e279e076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 8usize]>>
[INFO] [stderr]   21:     0x75e27a0953d1 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::<rustc_query_impl[1e55094a59e290f4]::DynamicConfig<rustc_data_structures[e21ff9714bc20455]::vec_cache::VecCache<rustc_span[26755a3edc0cc6c0]::def_id::LocalDefId, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false>
[INFO] [stderr]   22:     0x75e27a094f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   23:     0x75e276e67185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety
[INFO] [stderr]   24:     0x75e27a6e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   25:     0x75e27a6e9b69 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::<rustc_query_impl[1e55094a59e290f4]::DynamicConfig<rustc_data_structures[e21ff9714bc20455]::vec_cache::VecCache<rustc_span[26755a3edc0cc6c0]::def_id::LocalDefId, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false>
[INFO] [stderr]   26:     0x75e27a6e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   27:     0x75e27a29bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses
[INFO] [stderr]   28:     0x75e27ad2cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis
[INFO] [stderr]   29:     0x75e27ad2cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   30:     0x75e27ad7b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::<rustc_query_impl[1e55094a59e290f4]::DynamicConfig<rustc_query_system[67781f9dc633c543]::query::caches::SingleCache<rustc_middle[8ad6e8ce52578819]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false>
[INFO] [stderr]   31:     0x75e27ad7b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   32:     0x75e27ad701de - rustc_interface[b59e7ee7606ca029]::passes::create_and_enter_global_ctxt::<core[303105738bd0c2ae]::option::Option<rustc_interface[b59e7ee7606ca029]::queries::Linker>, rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
[INFO] [stderr]   33:     0x75e27addff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   34:     0x75e27acf5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_with_globals<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_pool_with_globals<rustc_interface[b59e7ee7606ca029]::interface::run_compiler<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   35:     0x75e27acf551c - <<std[b36e883d67eb0403]::thread::Builder>::spawn_unchecked_<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_with_globals<rustc_interface[b59e7ee7606ca029]::util::run_in_thread_pool_with_globals<rustc_interface[b59e7ee7606ca029]::interface::run_compiler<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[303105738bd0c2ae]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   36:     0x75e27acf6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05
[INFO] [stderr]   37:     0x75e27c47bac3 - <unknown>
[INFO] [stderr]   38:     0x75e27c50ca04 - clone
[INFO] [stderr]   39:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2025-01-01T05_52_07-9.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.85.0-nightly (9b5e8b16b 2024-12-19) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [mir_built] building MIR for `intern::argparse::<impl at src/intern/argparse/mod.rs:45:1: 45:35>::parse`
[INFO] [stderr] #1 [check_unsafety] unsafety-checking `intern::argparse::<impl at src/intern/argparse/mod.rs:45:1: 45:35>::parse`
[INFO] [stderr] #2 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `raster-retrace` (bin "raster-retrace"); 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name raster_retrace --edition=2015 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=7432122309fff9a8 -C extra-filename=-625f1100e5a406f1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "40c610982ddab57374ed9a4893626cadb46e0efa82d605ff15dbd968de3fa759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c610982ddab57374ed9a4893626cadb46e0efa82d605ff15dbd968de3fa759", kill_on_drop: false }`
[INFO] [stdout] 40c610982ddab57374ed9a4893626cadb46e0efa82d605ff15dbd968de3fa759