[INFO] cloning repository https://github.com/AtleSkaanes/WaveFunctionCollapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AtleSkaanes/WaveFunctionCollapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtleSkaanes%2FWaveFunctionCollapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtleSkaanes%2FWaveFunctionCollapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7b0c1979650fa4fb1b010a77569bf1256e288b3
[INFO] checking AtleSkaanes/WaveFunctionCollapse against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtleSkaanes%2FWaveFunctionCollapse" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AtleSkaanes/WaveFunctionCollapse on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AtleSkaanes/WaveFunctionCollapse
[INFO] finished tweaking git repo https://github.com/AtleSkaanes/WaveFunctionCollapse
[INFO] tweaked toml for git repo https://github.com/AtleSkaanes/WaveFunctionCollapse written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AtleSkaanes/WaveFunctionCollapse 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fdeflate v0.3.1
[INFO] [stderr]   Downloaded cgmath v0.18.0
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded tiff v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77fc721dc358f10c91bb69e79fcffafad228b10d582e43c3b2e9d98040ab43f4
[INFO] running `Command { std: "docker" "start" "-a" "77fc721dc358f10c91bb69e79fcffafad228b10d582e43c3b2e9d98040ab43f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77fc721dc358f10c91bb69e79fcffafad228b10d582e43c3b2e9d98040ab43f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fc721dc358f10c91bb69e79fcffafad228b10d582e43c3b2e9d98040ab43f4", kill_on_drop: false }`
[INFO] [stdout] 77fc721dc358f10c91bb69e79fcffafad228b10d582e43c3b2e9d98040ab43f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f9ea89515ff659ad4df5220f880eaadf70cf652b1eee08c152169e5ec1c88aa
[INFO] running `Command { std: "docker" "start" "-a" "6f9ea89515ff659ad4df5220f880eaadf70cf652b1eee08c152169e5ec1c88aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking wave_function_collapse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/wfc.rs:177:14
[INFO] [stdout]     |
[INFO] [stdout] 177 |         for (i, col) in self.tiles.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/wfc.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |             for (j, tile) in col.iter().enumerate() {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `possible_tiles` is never read
[INFO] [stdout]   --> src/tiles.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct EmptyTile {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 91 |     pub possible_tiles: Vec<Tile>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EmptyTile` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/wfc.rs:177:14
[INFO] [stdout]     |
[INFO] [stdout] 177 |         for (i, col) in self.tiles.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_entropy` is never used
[INFO] [stdout]   --> src/wfc.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl WaveFunctionCollapse {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_entropy(&self, x: usize, y: usize) -> Option<Vec<Tile>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/wfc.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |             for (j, tile) in col.iter().enumerate() {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `possible_tiles` is never read
[INFO] [stdout]   --> src/tiles.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct EmptyTile {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 91 |     pub possible_tiles: Vec<Tile>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EmptyTile` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_entropy` is never used
[INFO] [stdout]   --> src/wfc.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl WaveFunctionCollapse {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_entropy(&self, x: usize, y: usize) -> Option<Vec<Tile>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.95s
[INFO] running `Command { std: "docker" "inspect" "6f9ea89515ff659ad4df5220f880eaadf70cf652b1eee08c152169e5ec1c88aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9ea89515ff659ad4df5220f880eaadf70cf652b1eee08c152169e5ec1c88aa", kill_on_drop: false }`
[INFO] [stdout] 6f9ea89515ff659ad4df5220f880eaadf70cf652b1eee08c152169e5ec1c88aa
