[INFO] cloning repository https://github.com/kyepskee/wfc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyepskee/wfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyepskee%2Fwfc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyepskee%2Fwfc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04098b4733d46e7619ecde44246ed336c2bd8c0e
[INFO] checking kyepskee/wfc against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyepskee%2Fwfc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kyepskee/wfc
[INFO] finished tweaking git repo https://github.com/kyepskee/wfc
[INFO] tweaked toml for git repo https://github.com/kyepskee/wfc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyepskee/wfc on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyepskee/wfc 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: dependencies.image.defeault-features
[INFO] [stderr] warning: `wfc` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Ogeon/palette`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_macros v0.11.0
[INFO] [stderr]   Downloaded palette_derive v0.6.1
[INFO] [stderr]   Downloaded either v1.7.0
[INFO] [stderr]   Downloaded phf_shared v0.11.0
[INFO] [stderr]   Downloaded phf v0.11.0
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded phf_generator v0.11.0
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded fast-srgb8 v1.0.0
[INFO] [stderr]   Downloaded once_cell v1.13.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.9
[INFO] [stderr]   Downloaded bytemuck v1.10.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded rand_mt v4.1.1
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded weezl v0.1.7
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.10
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded serde v1.0.140
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.5
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b
[INFO] running `Command { std: "docker" "start" "b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: dependencies.image.defeault-features
[INFO] [stderr] warning: `wfc` (manifest) generated 1 warning
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.11.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling palette v0.6.1 (https://github.com/Ogeon/palette#455d0798)
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.10.0
[INFO] [stderr]     Checking fast-srgb8 v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rand_mt v4.1.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.11.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling phf_macros v0.11.0
[INFO] [stderr]    Compiling palette_derive v0.6.1 (https://github.com/Ogeon/palette#455d0798)
[INFO] [stderr]    Compiling palette_derive v0.6.1
[INFO] [stderr]     Checking phf v0.11.0
[INFO] [stderr]     Checking wfc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/main.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 |                     if let Some((xx, yy)) = in_bounds((x as i32 - dx, y as i32 - dy)) && a[x][y] != b[xx][yy] {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/main.rs:299:24
[INFO] [stdout]     |
[INFO] [stdout] 299 |                     if let Some((xx, yy)) = in_bounds((x as i32 - dx, y as i32 - dy)) && a[x][y] != b[xx][yy] {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/main.rs:504:32
[INFO] [stdout]     |
[INFO] [stdout] 504 | ...                   if let Some(val) = res[x][y] && val != self.patterns[pat][dx][dy] {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/main.rs:504:32
[INFO] [stdout]     |
[INFO] [stdout] 504 | ...                   if let Some(val) = res[x][y] && val != self.patterns[pat][dx][dy] {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VecDeque` and `hash_map::DefaultHasher`
[INFO] [stdout]  --> src/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{hash_map::DefaultHasher, HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `palette::Srgb`
[INFO] [stdout]    --> src/main.rs:565:9
[INFO] [stdout]     |
[INFO] [stdout] 565 |     use palette::Srgb;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageBuffer`
[INFO] [stdout]    --> src/main.rs:566:17
[INFO] [stdout]     |
[INFO] [stdout] 566 |     use image::{ImageBuffer, RgbImage};
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VecDeque` and `hash_map::DefaultHasher`
[INFO] [stdout]  --> src/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{hash_map::DefaultHasher, HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `palette::Srgb`
[INFO] [stdout]    --> src/main.rs:565:9
[INFO] [stdout]     |
[INFO] [stdout] 565 |     use palette::Srgb;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageBuffer`
[INFO] [stdout]    --> src/main.rs:566:17
[INFO] [stdout]     |
[INFO] [stdout] 566 |     use image::{ImageBuffer, RgbImage};
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown`
[INFO] [stdout]    --> src/main.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |         let unknown: char = '~';
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ax`
[INFO] [stdout]    --> src/main.rs:494:21
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 let ax = x.min(self.n - self.pattern_size + 1);
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_ax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ay`
[INFO] [stdout]    --> src/main.rs:495:21
[INFO] [stdout]     |
[INFO] [stdout] 495 |                 let ay = y.min(self.m - self.pattern_size + 1);
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_ay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown`
[INFO] [stdout]    --> src/main.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |         let unknown: char = '~';
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ax`
[INFO] [stdout]    --> src/main.rs:494:21
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 let ax = x.min(self.n - self.pattern_size + 1);
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_ax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ay`
[INFO] [stdout]    --> src/main.rs:495:21
[INFO] [stdout]     |
[INFO] [stdout] 495 |                 let ay = y.min(self.m - self.pattern_size + 1);
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_ay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:568:9
[INFO] [stdout]     |
[INFO] [stdout] 568 |     let mut img = RgbImage::from_fn(n as u32, m as u32, |x, y| {
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:568:9
[INFO] [stdout]     |
[INFO] [stdout] 568 |     let mut img = RgbImage::from_fn(n as u32, m as u32, |x, y| {
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wfc` (bin "wfc" test) due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `wfc` (bin "wfc") due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b", kill_on_drop: false }`
[INFO] [stdout] b0535f8e9f47a93d7d7f7cce2d4c40ff8bc75ccd45b99106b48c1afbabed283b
