[INFO] cloning repository https://github.com/autondesigner/art [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/autondesigner/art" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautondesigner%2Fart", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautondesigner%2Fart'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a8955d7e44b337c7fafff85abf5edc889584ae48 [INFO] checking autondesigner/art against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautondesigner%2Fart" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/autondesigner/art on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/autondesigner/art [INFO] finished tweaking git repo https://github.com/autondesigner/art [INFO] tweaked toml for git repo https://github.com/autondesigner/art written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/autondesigner/art already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded palette_derive v0.5.0 [INFO] [stderr] Downloaded siphasher v0.3.3 [INFO] [stderr] Downloaded palette v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 401a507ec5f94aa200714d9e40f6f8ae9852881ef7288485f7f493b6aad16340 [INFO] running `Command { std: "docker" "start" "-a" "401a507ec5f94aa200714d9e40f6f8ae9852881ef7288485f7f493b6aad16340", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "401a507ec5f94aa200714d9e40f6f8ae9852881ef7288485f7f493b6aad16340", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "401a507ec5f94aa200714d9e40f6f8ae9852881ef7288485f7f493b6aad16340", kill_on_drop: false }` [INFO] [stdout] 401a507ec5f94aa200714d9e40f6f8ae9852881ef7288485f7f493b6aad16340 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24a110def14c83a759ec09756e0ab1ad787e441fd5043b4c0531ed094375a670 [INFO] running `Command { std: "docker" "start" "-a" "24a110def14c83a759ec09756e0ab1ad787e441fd5043b4c0531ed094375a670", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking weezl v0.1.3 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking rand_core v0.6.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Checking rand v0.8.0 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.12 [INFO] [stderr] Checking art v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | for row in 0..neighborhood_height { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | let mut cell = self.find_mut_cell(*address); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:289:21 [INFO] [stdout] | [INFO] [stdout] 289 | let mut cell = self.front_a.get_mut_cell(row, column); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:294:29 [INFO] [stdout] | [INFO] [stdout] 294 | let mut front_b_cell = self.front_b.get_mut_cell(row, column); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `colors_counter` [INFO] [stdout] --> src/main.rs:303:13 [INFO] [stdout] | [INFO] [stdout] 303 | let colors_counter: Vec<(u64, i64)> = Vec::with_capacity(self.color_modulus as usize); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_colors_counter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `PostFunction` is never used [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum PostFunction { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `address` is never read [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 29 | struct Cell { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 30 | color: u64, [INFO] [stdout] 31 | address: Address, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_neighborhood` is never used [INFO] [stdout] --> src/main.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl AutonImage { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 104 | fn find_neighborhood<'a>(&'a self, cell: &'a Cell, height: usize, width: usize) -> Vec<&Cell> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hsv` is never read [INFO] [stdout] --> src/main.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 186 | struct Color { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 187 | rgb: [u8; 3], [INFO] [stdout] 188 | hsv: [f32; 3], [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `back_b`, `colors_count`, and `rng` are never read [INFO] [stdout] --> src/main.rs:211:5 [INFO] [stdout] | [INFO] [stdout] 205 | struct Auton { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 211 | back_b: AutonImage, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 212 | colors: Vec, [INFO] [stdout] 213 | colors_count: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 214 | color_modulus: u64, [INFO] [stdout] 215 | rng: StdRng, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iterate_less_fashion_overall` is never used [INFO] [stdout] --> src/main.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 239 | impl Auton { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 302 | fn iterate_less_fashion_overall(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | for row in 0..neighborhood_height { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | let mut cell = self.find_mut_cell(*address); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:289:21 [INFO] [stdout] | [INFO] [stdout] 289 | let mut cell = self.front_a.get_mut_cell(row, column); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:294:29 [INFO] [stdout] | [INFO] [stdout] 294 | let mut front_b_cell = self.front_b.get_mut_cell(row, column); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `colors_counter` [INFO] [stdout] --> src/main.rs:303:13 [INFO] [stdout] | [INFO] [stdout] 303 | let colors_counter: Vec<(u64, i64)> = Vec::with_capacity(self.color_modulus as usize); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_colors_counter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `PostFunction` is never used [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum PostFunction { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `address` is never read [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 29 | struct Cell { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 30 | color: u64, [INFO] [stdout] 31 | address: Address, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_neighborhood` is never used [INFO] [stdout] --> src/main.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl AutonImage { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 104 | fn find_neighborhood<'a>(&'a self, cell: &'a Cell, height: usize, width: usize) -> Vec<&Cell> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hsv` is never read [INFO] [stdout] --> src/main.rs:188:5 [INFO] [stdout] | [INFO] [stdout] 186 | struct Color { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 187 | rgb: [u8; 3], [INFO] [stdout] 188 | hsv: [f32; 3], [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `back_b`, `colors_count`, and `rng` are never read [INFO] [stdout] --> src/main.rs:211:5 [INFO] [stdout] | [INFO] [stdout] 205 | struct Auton { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 211 | back_b: AutonImage, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 212 | colors: Vec, [INFO] [stdout] 213 | colors_count: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 214 | color_modulus: u64, [INFO] [stdout] 215 | rng: StdRng, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iterate_less_fashion_overall` is never used [INFO] [stdout] --> src/main.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 239 | impl Auton { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 302 | fn iterate_less_fashion_overall(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.96s [INFO] running `Command { std: "docker" "inspect" "24a110def14c83a759ec09756e0ab1ad787e441fd5043b4c0531ed094375a670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24a110def14c83a759ec09756e0ab1ad787e441fd5043b4c0531ed094375a670", kill_on_drop: false }` [INFO] [stdout] 24a110def14c83a759ec09756e0ab1ad787e441fd5043b4c0531ed094375a670