[INFO] cloning repository https://github.com/FredrikMeyer/abeliansandpile [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredrikMeyer/abeliansandpile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredrikMeyer%2Fabeliansandpile", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredrikMeyer%2Fabeliansandpile'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d39c6f36d52d852c382058da98a0bb58bbbcb712 [INFO] checking FredrikMeyer/abeliansandpile against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredrikMeyer%2Fabeliansandpile" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/FredrikMeyer/abeliansandpile [INFO] finished tweaking git repo https://github.com/FredrikMeyer/abeliansandpile [INFO] tweaked toml for git repo https://github.com/FredrikMeyer/abeliansandpile written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/FredrikMeyer/abeliansandpile on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/FredrikMeyer/abeliansandpile 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.11 [INFO] [stderr] Downloaded proc-macro2 v1.0.104 [INFO] [stderr] Downloaded rgb v0.8.50 [INFO] [stderr] Downloaded crossbeam-utils v0.8.16 [INFO] [stderr] Downloaded aligned-vec v0.5.0 [INFO] [stderr] Downloaded lebe v0.5.2 [INFO] [stderr] Downloaded profiling-procmacros v1.0.15 [INFO] [stderr] Downloaded bit_field v0.10.2 [INFO] [stderr] Downloaded jobserver v0.1.28 [INFO] [stderr] Downloaded aligned v0.4.3 [INFO] [stderr] Downloaded anyhow v1.0.81 [INFO] [stderr] Downloaded smallvec v1.11.0 [INFO] [stderr] Downloaded bytemuck v1.19.0 [INFO] [stderr] Downloaded cc v1.0.90 [INFO] [stderr] Downloaded memchr v2.7.2 [INFO] [stderr] Downloaded num-bigint v0.4.4 [INFO] [stderr] Downloaded bumpalo v3.13.0 [INFO] [stderr] Downloaded libfuzzer-sys v0.4.7 [INFO] [stderr] Downloaded zune-jpeg v0.5.8 [INFO] [stderr] Downloaded zerocopy v0.8.14 [INFO] [stderr] Downloaded gif v0.14.1 [INFO] [stderr] Downloaded image-webp v0.2.0 [INFO] [stderr] 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"-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 43d7890e1aaa6e42796285aea14fb224596818600eb72c35c748f233d017c6f8 [INFO] running `Command { std: "docker" "start" "-a" "43d7890e1aaa6e42796285aea14fb224596818600eb72c35c748f233d017c6f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43d7890e1aaa6e42796285aea14fb224596818600eb72c35c748f233d017c6f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43d7890e1aaa6e42796285aea14fb224596818600eb72c35c748f233d017c6f8", kill_on_drop: false }` [INFO] [stdout] 43d7890e1aaa6e42796285aea14fb224596818600eb72c35c748f233d017c6f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67f91071e4138f77898ffee7e77766d756b09796193f49bd3f51a95cbccd944d [INFO] running `Command { std: "docker" "start" "-a" "67f91071e4138f77898ffee7e77766d756b09796193f49bd3f51a95cbccd944d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.104 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking aligned-vec v0.5.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking as-slice v0.2.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking miniz_oxide v0.8.8 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling zerocopy v0.8.14 [INFO] [stderr] Compiling av-scenechange v0.14.1 [INFO] [stderr] Compiling built v0.8.0 [INFO] [stderr] Compiling getrandom v0.3.1 [INFO] [stderr] Checking aligned v0.4.3 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking y4m v0.8.0 [INFO] [stderr] Compiling pastey v0.1.1 [INFO] [stderr] Checking itertools v0.14.0 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking weezl v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking flate2 v1.1.2 [INFO] [stderr] Compiling noop_proc_macro v0.3.0 [INFO] [stderr] Checking imgref v1.12.0 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking bitstream-io v4.9.0 [INFO] [stderr] Compiling rav1e v0.8.1 [INFO] [stderr] Checking zune-core v0.4.12 [INFO] [stderr] Checking 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rayon v1.10.0 [INFO] [stderr] Checking exr v1.74.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking v_frame v0.3.8 [INFO] [stderr] Checking pxfm v0.1.24 [INFO] [stderr] Checking rand_core v0.9.0 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking av1-grain v0.2.3 [INFO] [stderr] Checking maybe-rayon v0.1.1 [INFO] [stderr] Checking moxcms v0.7.5 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling profiling-procmacros v1.0.15 [INFO] [stderr] Compiling arg_enum_proc_macro v0.3.4 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Compiling fax_derive v0.2.0 [INFO] [stderr] Checking profiling v1.0.15 [INFO] [stderr] Checking equator v0.4.2 [INFO] [stderr] Checking fax v0.2.6 [INFO] [stderr] Checking aligned-vec v0.6.4 [INFO] [stderr] Checking tiff v0.10.3 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking ravif v0.12.0 [INFO] [stderr] Checking image v0.25.9 [INFO] [stderr] Checking abeliansandpile v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/main.rs:20:26 [INFO] [stdout] | [INFO] [stdout] 20 | .map(|_| (rng.random_range(0..5) as u32)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - .map(|_| (rng.random_range(0..5) as u32)) [INFO] [stdout] 20 + .map(|_| rng.random_range(0..5) as u32 ) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_grid` is never used [INFO] [stdout] --> src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn gen_grid(width: u32, height: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_unstable_vertex` is never used [INFO] [stdout] --> src/main.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn find_unstable_vertex(grid: &Grid) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `to_vec` and `new` are never used [INFO] [stdout] --> src/colors.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Color { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn to_vec(&self) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn new(red: f64, green: f64, blue: f64) -> Color { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GridIterMut` is never constructed [INFO] [stdout] --> src/grid.rs:21:19 [INFO] [stdout] | [INFO] [stdout] 21 | pub(crate) struct GridIterMut<'a> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_vec` and `iter_mut` are never used [INFO] [stdout] --> src/grid.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl Grid { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn from_vec(vec: Vec>) -> Grid { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn iter_mut(&mut self) -> GridIterMut { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grid.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn iter(&self) -> GridIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 65 | pub fn iter(&self) -> GridIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grid.rs:72:21 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn iter_mut(&mut self) -> GridIterMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 72 | pub fn iter_mut(&mut self) -> GridIterMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/main.rs:20:26 [INFO] [stdout] | [INFO] [stdout] 20 | .map(|_| (rng.random_range(0..5) as u32)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - .map(|_| (rng.random_range(0..5) as u32)) [INFO] [stdout] 20 + .map(|_| rng.random_range(0..5) as u32 ) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_grid` is never used [INFO] [stdout] --> src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn gen_grid(width: u32, height: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `to_vec` and `new` are never used [INFO] [stdout] --> src/colors.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Color { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn to_vec(&self) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn new(red: f64, green: f64, blue: f64) -> Color { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GridIterMut` is never constructed [INFO] [stdout] --> src/grid.rs:21:19 [INFO] [stdout] | [INFO] [stdout] 21 | pub(crate) struct GridIterMut<'a> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter_mut` is never used [INFO] [stdout] --> src/grid.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl Grid { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn iter_mut(&mut self) -> GridIterMut { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grid.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn iter(&self) -> GridIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 65 | pub fn iter(&self) -> GridIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grid.rs:72:21 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn iter_mut(&mut self) -> GridIterMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 72 | pub fn iter_mut(&mut self) -> GridIterMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.20s [INFO] running `Command { std: "docker" "inspect" "67f91071e4138f77898ffee7e77766d756b09796193f49bd3f51a95cbccd944d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67f91071e4138f77898ffee7e77766d756b09796193f49bd3f51a95cbccd944d", kill_on_drop: false }` [INFO] [stdout] 67f91071e4138f77898ffee7e77766d756b09796193f49bd3f51a95cbccd944d