[INFO] cloning repository https://github.com/ferrouswheel/superpixel-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferrouswheel/superpixel-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrouswheel%2Fsuperpixel-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrouswheel%2Fsuperpixel-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 84e20c5c95e88022f935ef63dd0377152aa6276c [INFO] testing ferrouswheel/superpixel-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrouswheel%2Fsuperpixel-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ferrouswheel/superpixel-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ferrouswheel/superpixel-rs [INFO] finished tweaking git repo https://github.com/ferrouswheel/superpixel-rs [INFO] tweaked toml for git repo https://github.com/ferrouswheel/superpixel-rs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/ferrouswheel/superpixel-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded deflate v0.7.14 [INFO] [stderr] Downloaded libc v0.2.28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a2f2428d491584638aed4966c0b41f9208370c6df3c7f003d9db58c3b814824 [INFO] running `Command { std: "docker" "start" "-a" "9a2f2428d491584638aed4966c0b41f9208370c6df3c7f003d9db58c3b814824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a2f2428d491584638aed4966c0b41f9208370c6df3c7f003d9db58c3b814824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a2f2428d491584638aed4966c0b41f9208370c6df3c7f003d9db58c3b814824", kill_on_drop: false }` [INFO] [stdout] 9a2f2428d491584638aed4966c0b41f9208370c6df3c7f003d9db58c3b814824 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0aedd0d29fcdb7041c29cd9d6e38d02ec11cbfe5a6e0bdc0a43166d4d6eda5bb [INFO] running `Command { std: "docker" "start" "-a" "0aedd0d29fcdb7041c29cd9d6e38d02ec11cbfe5a6e0bdc0a43166d4d6eda5bb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.17 [INFO] [stderr] Compiling libc v0.2.28 [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling scopeguard v0.3.2 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling futures v0.1.14 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling color_quant v1.0.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.7 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling inflate v0.4.3 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling gif v0.10.0 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling deflate v0.7.14 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling jpeg-decoder v0.1.13 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling superpixel v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:480:17 [INFO] [stdout] | [INFO] [stdout] 480 | ((y - 1) * width + x) [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 block return value [INFO] [stdout] --> src/lib.rs:487:17 [INFO] [stdout] | [INFO] [stdout] 487 | (y * width + (x - 1)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/lib.rs:451:17 [INFO] [stdout] | [INFO] [stdout] 451 | let idx = y * width + x; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `klabels` [INFO] [stdout] --> src/lib.rs:438:5 [INFO] [stdout] | [INFO] [stdout] 438 | klabels: &Vec, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_klabels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `outline_color` [INFO] [stdout] --> src/lib.rs:440:5 [INFO] [stdout] | [INFO] [stdout] 440 | outline_color: &image::Rgb [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outline_color` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.80s [INFO] running `Command { std: "docker" "inspect" "0aedd0d29fcdb7041c29cd9d6e38d02ec11cbfe5a6e0bdc0a43166d4d6eda5bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0aedd0d29fcdb7041c29cd9d6e38d02ec11cbfe5a6e0bdc0a43166d4d6eda5bb", kill_on_drop: false }` [INFO] [stdout] 0aedd0d29fcdb7041c29cd9d6e38d02ec11cbfe5a6e0bdc0a43166d4d6eda5bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 561b0d0dcda448e3f7140cd56cf8275c805bb9dffe002b961965ad0dfe218459 [INFO] running `Command { std: "docker" "start" "-a" "561b0d0dcda448e3f7140cd56cf8275c805bb9dffe002b961965ad0dfe218459", kill_on_drop: false }` [INFO] [stderr] Compiling superpixel v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:480:17 [INFO] [stdout] | [INFO] [stdout] 480 | ((y - 1) * width + x) [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 block return value [INFO] [stdout] --> src/lib.rs:487:17 [INFO] [stdout] | [INFO] [stdout] 487 | (y * width + (x - 1)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/lib.rs:451:17 [INFO] [stdout] | [INFO] [stdout] 451 | let idx = y * width + x; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `klabels` [INFO] [stdout] --> src/lib.rs:438:5 [INFO] [stdout] | [INFO] [stdout] 438 | klabels: &Vec, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_klabels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `outline_color` [INFO] [stdout] --> src/lib.rs:440:5 [INFO] [stdout] | [INFO] [stdout] 440 | outline_color: &image::Rgb [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outline_color` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:480:17 [INFO] [stdout] | [INFO] [stdout] 480 | ((y - 1) * width + x) [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 block return value [INFO] [stdout] --> src/lib.rs:487:17 [INFO] [stdout] | [INFO] [stdout] 487 | (y * width + (x - 1)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/lib.rs:451:17 [INFO] [stdout] | [INFO] [stdout] 451 | let idx = y * width + x; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `klabels` [INFO] [stdout] --> src/lib.rs:438:5 [INFO] [stdout] | [INFO] [stdout] 438 | klabels: &Vec, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_klabels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `outline_color` [INFO] [stdout] --> src/lib.rs:440:5 [INFO] [stdout] | [INFO] [stdout] 440 | outline_color: &image::Rgb [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outline_color` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:578:32 [INFO] [stdout] | [INFO] [stdout] 578 | assert!(diff < 0.0001, format!("{} and {} are not within 0.0001", a, b)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 578 | assert!(diff < 0.0001, "{} and {} are not within 0.0001", a, b); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "561b0d0dcda448e3f7140cd56cf8275c805bb9dffe002b961965ad0dfe218459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "561b0d0dcda448e3f7140cd56cf8275c805bb9dffe002b961965ad0dfe218459", kill_on_drop: false }` [INFO] [stdout] 561b0d0dcda448e3f7140cd56cf8275c805bb9dffe002b961965ad0dfe218459 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4b213a2eb446bf4514bb8162e1f54dbd1771f549049f071b6241b95cac55508b [INFO] running `Command { std: "docker" "start" "-a" "4b213a2eb446bf4514bb8162e1f54dbd1771f549049f071b6241b95cac55508b", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/lib.rs:480:17 [INFO] [stderr] | [INFO] [stderr] 480 | ((y - 1) * width + x) [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 block return value [INFO] [stderr] --> src/lib.rs:487:17 [INFO] [stderr] | [INFO] [stderr] 487 | (y * width + (x - 1)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/lib.rs:451:17 [INFO] [stderr] | [INFO] [stderr] 451 | let idx = y * width + x; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `klabels` [INFO] [stderr] --> src/lib.rs:438:5 [INFO] [stderr] | [INFO] [stderr] 438 | klabels: &Vec, [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_klabels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `outline_color` [INFO] [stderr] --> src/lib.rs:440:5 [INFO] [stderr] | [INFO] [stderr] 440 | outline_color: &image::Rgb [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outline_color` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/lib.rs:480:17 [INFO] [stderr] | [INFO] [stderr] 480 | ((y - 1) * width + x) [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 block return value [INFO] [stderr] --> src/lib.rs:487:17 [INFO] [stderr] | [INFO] [stderr] 487 | (y * width + (x - 1)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/lib.rs:451:17 [INFO] [stderr] | [INFO] [stderr] 451 | let idx = y * width + x; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `klabels` [INFO] [stderr] --> src/lib.rs:438:5 [INFO] [stderr] | [INFO] [stderr] 438 | klabels: &Vec, [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_klabels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `outline_color` [INFO] [stderr] --> src/lib.rs:440:5 [INFO] [stderr] | [INFO] [stderr] 440 | outline_color: &image::Rgb [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outline_color` [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:578:32 [INFO] [stderr] | [INFO] [stderr] 578 | assert!(diff < 0.0001, format!("{} and {} are not within 0.0001", a, b)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 578 | assert!(diff < 0.0001, "{} and {} are not within 0.0001", a, b); [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/superpixel-52f4f0e441fe4439) [INFO] [stdout] running 2 tests [INFO] [stderr] Doc-tests superpixel [INFO] [stdout] test test::test_rgb_to_xyz ... ok [INFO] [stdout] test test::test_rgb_to_lab ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:480:17 [INFO] [stderr] | [INFO] [stderr] 480 | ((y - 1) * width + x) [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 block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:487:17 [INFO] [stderr] | [INFO] [stderr] 487 | (y * width + (x - 1)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4b213a2eb446bf4514bb8162e1f54dbd1771f549049f071b6241b95cac55508b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b213a2eb446bf4514bb8162e1f54dbd1771f549049f071b6241b95cac55508b", kill_on_drop: false }` [INFO] [stdout] 4b213a2eb446bf4514bb8162e1f54dbd1771f549049f071b6241b95cac55508b