[INFO] fetching crate wave_func_collapse 0.1.0...
[INFO] checking wave_func_collapse-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate wave_func_collapse 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate wave_func_collapse 0.1.0
[INFO] finished tweaking crates.io crate wave_func_collapse 0.1.0
[INFO] tweaked toml for crates.io crate wave_func_collapse 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wave_func_collapse 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding tikv-jemallocator v0.5.4 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f796c3fb26f9b0f52aa86369dbd61b40cdb38180f0919c67fff53e2f431d5707
[INFO] running `Command { std: "docker" "start" "-a" "f796c3fb26f9b0f52aa86369dbd61b40cdb38180f0919c67fff53e2f431d5707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f796c3fb26f9b0f52aa86369dbd61b40cdb38180f0919c67fff53e2f431d5707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f796c3fb26f9b0f52aa86369dbd61b40cdb38180f0919c67fff53e2f431d5707", kill_on_drop: false }`
[INFO] [stdout] f796c3fb26f9b0f52aa86369dbd61b40cdb38180f0919c67fff53e2f431d5707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1f7039209b9deedd19b4890da875bfe5c86f827f2fbf968dd14af2fe60de79
[INFO] running `Command { std: "docker" "start" "-a" "ff1f7039209b9deedd19b4890da875bfe5c86f827f2fbf968dd14af2fe60de79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wave_func_collapse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `create_tiles_expr` and `create_tiles_ty`
[INFO] [stdout]    --> src/grid.rs:305:14
[INFO] [stdout]     |
[INFO] [stdout] 305 |     pub use {create_tiles_expr, create_tiles_ty};
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_tile_unit` and `create_tile`
[INFO] [stdout]    --> src/tile.rs:125:14
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub use {create_tile, create_tile_unit};
[INFO] [stdout]     |              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_tiles_expr` and `create_tiles_ty`
[INFO] [stdout]    --> src/grid.rs:305:14
[INFO] [stdout]     |
[INFO] [stdout] 305 |     pub use {create_tiles_expr, create_tiles_ty};
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_tile_unit` and `create_tile`
[INFO] [stdout]    --> src/tile.rs:125:14
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub use {create_tile, create_tile_unit};
[INFO] [stdout]     |              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Water` is never constructed
[INFO] [stdout]    --> src/tile.rs:137:16
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub struct Water;
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Beach` is never constructed
[INFO] [stdout]    --> src/tile.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub struct Beach;
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Land` is never constructed
[INFO] [stdout]    --> src/tile.rs:141:16
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub struct Land;
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleTile` is never constructed
[INFO] [stdout]    --> src/tile.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub struct SimpleTile<T> {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tile.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 148 |     impl<T> SimpleTile<T> {
[INFO] [stdout]     |     --------------------- associated function in this implementation
[INFO] [stdout] 149 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "ff1f7039209b9deedd19b4890da875bfe5c86f827f2fbf968dd14af2fe60de79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1f7039209b9deedd19b4890da875bfe5c86f827f2fbf968dd14af2fe60de79", kill_on_drop: false }`
[INFO] [stdout] ff1f7039209b9deedd19b4890da875bfe5c86f827f2fbf968dd14af2fe60de79