[INFO] fetching crate wfc_image 0.11.0...
[INFO] checking wfc_image-0.11.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate wfc_image 0.11.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wfc_image 0.11.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wfc_image 0.11.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate wfc_image 0.11.0
[INFO] tweaked toml for crates.io crate wfc_image 0.11.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate wfc_image 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded direction v0.18.0
[INFO] [stderr]   Downloaded coord_2d v0.3.0
[INFO] [stderr]   Downloaded wfc v0.10.0
[INFO] [stderr]   Downloaded grid_2d v0.15.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.2
[INFO] [stderr]   Downloaded meap v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db85a1e86c5cb4f8cb1879253d23c5d0a705bd4934dfda8c310c7882734ace30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db85a1e86c5cb4f8cb1879253d23c5d0a705bd4934dfda8c310c7882734ace30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db85a1e86c5cb4f8cb1879253d23c5d0a705bd4934dfda8c310c7882734ace30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db85a1e86c5cb4f8cb1879253d23c5d0a705bd4934dfda8c310c7882734ace30", kill_on_drop: false }`
[INFO] [stdout] db85a1e86c5cb4f8cb1879253d23c5d0a705bd4934dfda8c310c7882734ace30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46296866c87cef9eaf811b793d9db255bb35e971ea8b109d04f8c37e2e8ae20f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "46296866c87cef9eaf811b793d9db255bb35e971ea8b109d04f8c37e2e8ae20f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking coord_2d v0.3.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking meap v0.4.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking grid_2d v0.15.0
[INFO] [stderr]     Checking direction v0.18.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[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 miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking wfc v0.10.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.13
[INFO] [stderr]     Checking wfc_image v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `animation_helper`
[INFO] [stdout]  --> examples/animate.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use animation_helper::WindowPixels;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `animation_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `animation_helper`
[INFO] [stdout]  --> examples/flowers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use animation_helper::WindowPixels;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `animation_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wfc_image`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "46296866c87cef9eaf811b793d9db255bb35e971ea8b109d04f8c37e2e8ae20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46296866c87cef9eaf811b793d9db255bb35e971ea8b109d04f8c37e2e8ae20f", kill_on_drop: false }`
[INFO] [stdout] 46296866c87cef9eaf811b793d9db255bb35e971ea8b109d04f8c37e2e8ae20f