[INFO] updating cached repository https://github.com/HazardDev/image-to-gif-effects
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 341f70125a9ef29356e9f4214fc1fce378e6ff94
[INFO] testing HazardDev/image-to-gif-effects against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FHazardDev%2Fimage-to-gif-effects" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HazardDev/image-to-gif-effects on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/HazardDev/image-to-gif-effects
[INFO] finished tweaking git repo https://github.com/HazardDev/image-to-gif-effects
[INFO] tweaked toml for git repo https://github.com/HazardDev/image-to-gif-effects written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/HazardDev/image-to-gif-effects already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bc44882a5a874ae9a358a883358a868e29a103a4d7a95572ec06157a5ea8d410
[INFO] running `"docker" "start" "-a" "bc44882a5a874ae9a358a883358a868e29a103a4d7a95572ec06157a5ea8d410"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling image-to-gif-effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::borrow::Cow`
[INFO] [stderr]   --> src/animations.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use std::borrow::Cow;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DynamicImage`, `FilterType`, `Frame`, `Frames`, `GenericImage`
[INFO] [stderr]    --> src/animations.rs:106:14
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use image::{GenericImage, DynamicImage, Frame, Frames, FilterType};    
[INFO] [stderr]     |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/animations.rs:81:7
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut buffer;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             cannot infer type
[INFO] [stderr]    |             consider giving `buffer` a type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `image-to-gif-effects`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bc44882a5a874ae9a358a883358a868e29a103a4d7a95572ec06157a5ea8d410"`
[INFO] running `"docker" "rm" "-f" "bc44882a5a874ae9a358a883358a868e29a103a4d7a95572ec06157a5ea8d410"`
[INFO] [stdout] bc44882a5a874ae9a358a883358a868e29a103a4d7a95572ec06157a5ea8d410