[INFO] fetching crate raster-retrace 0.1.2...
[INFO] testing raster-retrace-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate raster-retrace 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate raster-retrace 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d811b69c68c37cb48e3c69d96d9533d210cad64ae53e26643a6cf5161a7f900f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d811b69c68c37cb48e3c69d96d9533d210cad64ae53e26643a6cf5161a7f900f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d811b69c68c37cb48e3c69d96d9533d210cad64ae53e26643a6cf5161a7f900f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d811b69c68c37cb48e3c69d96d9533d210cad64ae53e26643a6cf5161a7f900f", kill_on_drop: false }`
[INFO] [stdout] d811b69c68c37cb48e3c69d96d9533d210cad64ae53e26643a6cf5161a7f900f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6462e1ff769da6547e279d2bc74f6b3c0fdae404f7781feed4336d89ee2be7d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6462e1ff769da6547e279d2bc74f6b3c0fdae404f7781feed4336d89ee2be7d8", 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]   |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[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]   |                                  ^^^^^^^^ help: remove these parentheses
[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]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T, &[String]) -> Result<usize, String>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T, &[String]) -> Result<usize, String>`
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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] 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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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] 195 | | ...                       (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout] ...   |
[INFO] [stdout] 212 | | ...                       }
[INFO] [stdout] 213 | | ...                    )
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 |                             // axis aligned
[INFO] [stdout] 193 |                                 (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 194 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout] 195 |                                 // diagonal
[INFO] [stdout] 196 |                                 {
[INFO] [stdout] 197 |                                     let x_a_delta = xy_a[0] - xy_b[0];
[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] 204 | | ...                    // no need to check 'b', signum accounts for that case.
[INFO] [stdout] 205 | | ...
[INFO] [stdout] 206 | | ...                    x_a_delta.abs() == y_a_delta.abs() &&
[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] 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] 205 | 
[INFO] [stdout] 206 |                                      x_a_delta.abs() == y_a_delta.abs() &&
[INFO] [stdout] 207 |                                      x_b_delta.abs() == y_b_delta.abs() &&
[INFO] [stdout] 208 | 
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "6462e1ff769da6547e279d2bc74f6b3c0fdae404f7781feed4336d89ee2be7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6462e1ff769da6547e279d2bc74f6b3c0fdae404f7781feed4336d89ee2be7d8", kill_on_drop: false }`
[INFO] [stdout] 6462e1ff769da6547e279d2bc74f6b3c0fdae404f7781feed4336d89ee2be7d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44cca94db2a46c242aae55126f485b3e0b6b80844c2ba4fe9585a52c7d35070e
[INFO] running `Command { std: "docker" "start" "-a" "44cca94db2a46c242aae55126f485b3e0b6b80844c2ba4fe9585a52c7d35070e", 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]   |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[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]   |                                  ^^^^^^^^ help: remove these parentheses
[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]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T, &[String]) -> Result<usize, String>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T, &[String]) -> Result<usize, String>`
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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] 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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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] 195 | | ...                       (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout] ...   |
[INFO] [stdout] 212 | | ...                       }
[INFO] [stdout] 213 | | ...                    )
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 |                             // axis aligned
[INFO] [stdout] 193 |                                 (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 194 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout] 195 |                                 // diagonal
[INFO] [stdout] 196 |                                 {
[INFO] [stdout] 197 |                                     let x_a_delta = xy_a[0] - xy_b[0];
[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] 204 | | ...                    // no need to check 'b', signum accounts for that case.
[INFO] [stdout] 205 | | ...
[INFO] [stdout] 206 | | ...                    x_a_delta.abs() == y_a_delta.abs() &&
[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] 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] 205 | 
[INFO] [stdout] 206 |                                      x_a_delta.abs() == y_a_delta.abs() &&
[INFO] [stdout] 207 |                                      x_b_delta.abs() == y_b_delta.abs() &&
[INFO] [stdout] 208 | 
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "44cca94db2a46c242aae55126f485b3e0b6b80844c2ba4fe9585a52c7d35070e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44cca94db2a46c242aae55126f485b3e0b6b80844c2ba4fe9585a52c7d35070e", kill_on_drop: false }`
[INFO] [stdout] 44cca94db2a46c242aae55126f485b3e0b6b80844c2ba4fe9585a52c7d35070e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bcd3a36e56e8d10d342e2e6cbaead6cab7e54270f99f949932be53db0c42cc8
[INFO] running `Command { std: "docker" "start" "-a" "0bcd3a36e56e8d10d342e2e6cbaead6cab7e54270f99f949932be53db0c42cc8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]   |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/intern/argparse/mod.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stderr]   |                                  ^^^^^^^^ help: remove these parentheses
[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]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T, &[String]) -> Result<usize, String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T, &[String]) -> Result<usize, String>`
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |     ^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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] 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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                           ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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]    |                            ^^^^^^^^ help: remove these parentheses
[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] 195 | | ...                       (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stderr] ...   |
[INFO] [stderr] 212 | | ...                       }
[INFO] [stderr] 213 | | ...                    )
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 192 |                             // axis aligned
[INFO] [stderr] 193 |                                 (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr] 194 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stderr] 195 |                                 // diagonal
[INFO] [stderr] 196 |                                 {
[INFO] [stderr] 197 |                                     let x_a_delta = xy_a[0] - xy_b[0];
[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] 204 | | ...                    // no need to check 'b', signum accounts for that case.
[INFO] [stderr] 205 | | ...
[INFO] [stderr] 206 | | ...                    x_a_delta.abs() == y_a_delta.abs() &&
[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] 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] 205 | 
[INFO] [stderr] 206 |                                      x_a_delta.abs() == y_a_delta.abs() &&
[INFO] [stderr] 207 |                                      x_b_delta.abs() == y_b_delta.abs() &&
[INFO] [stderr] 208 | 
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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]     |                                     ^^^^^^^^ help: remove these parentheses
[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: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raster_retrace-37102064453c4711
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--bin raster-retrace'
[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: Other, message: "Read-only file system" }', src/main.rs:151:54
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560d6a6f2e67 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x560d6a6f2e67 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560d6a6f2e67 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x560d6a6f2e67 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc33f3ac4cc9c4196
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x560d6a712f3c - core::fmt::write::hfdcdeb08fb2b3afa
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x560d6a6ef2e2 - std::io::Write::write_fmt::h28c53dc51251a293
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x560d6a6f5115 - std::sys_common::backtrace::_print::hf179508b01f66878
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x560d6a6f5115 - std::sys_common::backtrace::print::ha97d11adb39266a6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x560d6a6f5115 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x560d6a6f4ca2 - std::panicking::default_hook::hbc0ee792993c2ef2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x560d6a6f58b1 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x560d6a6f53f7 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x560d6a6f332c - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x560d6a6f5359 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x560d6a7118f1 - core::panicking::panic_fmt::hf6d8a92b065b8f97
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x560d6a711713 - core::option::expect_none_failed::ha72f299eca314ad7
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x560d6a688ca9 - core::result::Result<T,E>::expect::h01e367383e973e44
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/result.rs:933:23
[INFO] [stdout]   17:     0x560d6a65a622 - raster_retrace::trace_image::hde923ace11d20086
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:151:13
[INFO] [stdout]   18:     0x560d6a6778de - raster_retrace::test::test_image_small::h9c1edcafcb0ae6d2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:12:19
[INFO] [stdout]   19:     0x560d6a67779a - raster_retrace::test::test_image_small::{{closure}}::h63a24d86d906677b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:8:9
[INFO] [stdout]   20:     0x560d6a66ffae - core::ops::function::FnOnce::call_once::h40058519ca5cbbc5
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x560d6a6bd503 - core::ops::function::FnOnce::call_once::ha61d5393ae51ae22
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x560d6a6bd503 - test::__rust_begin_short_backtrace::h4a8691b5281c1f3b
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:516:5
[INFO] [stdout]   23:     0x560d6a6bbdf6 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd25ba61494055ad3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   24:     0x560d6a6bbdf6 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h052fde7b846767ba
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x560d6a6bbdf6 - std::panicking::try::do_call::h04571a1da6838ba1
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   26:     0x560d6a6bbdf6 - std::panicking::try::h758f090614125cbe
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   27:     0x560d6a6bbdf6 - std::panic::catch_unwind::h0c48513d5a021d3c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x560d6a6bbdf6 - test::run_test_in_process::hee75babaaac3822f
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:538:18
[INFO] [stdout]   29:     0x560d6a6bbdf6 - test::run_test::run_test_inner::{{closure}}::h2920dea75d7f0c1e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:449:39
[INFO] [stdout]   30:     0x560d6a694106 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha23dff608830db13
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x560d6a698e9d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hacce322dead3a799
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x560d6a698e9d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4f0bc9c26ead0a27
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x560d6a698e9d - std::panicking::try::do_call::h1b9f282fb0c383b3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x560d6a698e9d - std::panicking::try::hed1ebed51b133ee4
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x560d6a698e9d - std::panic::catch_unwind::h072a2b19fd39a474
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x560d6a698e9d - std::thread::Builder::spawn_unchecked::{{closure}}::hb02c6b2d3ff18bc2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x560d6a698e9d - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb512c5d27b4adb83
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x560d6a6fb40a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdbb9ff71143eaad6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   39:     0x560d6a6fb40a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9dbde95cefb8368c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   40:     0x560d6a6fb40a - std::sys::unix::thread::Thread::new::thread_start::hc76032c38affd972
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f21410f5609 - start_thread
[INFO] [stdout]   42:     0x7f2140ec7293 - clone
[INFO] [stdout]   43:                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 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bcd3a36e56e8d10d342e2e6cbaead6cab7e54270f99f949932be53db0c42cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcd3a36e56e8d10d342e2e6cbaead6cab7e54270f99f949932be53db0c42cc8", kill_on_drop: false }`
[INFO] [stdout] 0bcd3a36e56e8d10d342e2e6cbaead6cab7e54270f99f949932be53db0c42cc8