[INFO] updating cached repository https://github.com/HazardDev/image-to-gif-effects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 341f70125a9ef29356e9f4214fc1fce378e6ff94
[INFO] checking HazardDev/image-to-gif-effects against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHazardDev%2Fimage-to-gif-effects" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HazardDev/image-to-gif-effects on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-11/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5efc689574d281d791fd85b541773c9f95ae558f5853cca151df18c89cf6359
[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" "a5efc689574d281d791fd85b541773c9f95ae558f5853cca151df18c89cf6359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5efc689574d281d791fd85b541773c9f95ae558f5853cca151df18c89cf6359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5efc689574d281d791fd85b541773c9f95ae558f5853cca151df18c89cf6359", kill_on_drop: false }`
[INFO] [stdout] a5efc689574d281d791fd85b541773c9f95ae558f5853cca151df18c89cf6359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc01103a370f246b142526919bea8b4cca60f4e4379331347b7f7da3896324e4
[INFO] running `Command { std: "docker" "start" "-a" "bc01103a370f246b142526919bea8b4cca60f4e4379331347b7f7da3896324e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.35
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand v0.3.19
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking image-to-gif-effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]   --> src/animations.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::borrow::Cow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DynamicImage`, `FilterType`, `Frame`, `Frames`, `GenericImage`
[INFO] [stdout]    --> src/animations.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use image::{GenericImage, DynamicImage, Frame, Frames, FilterType};    
[INFO] [stdout]     |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]   --> src/animations.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::borrow::Cow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DynamicImage`, `FilterType`, `Frame`, `Frames`, `GenericImage`
[INFO] [stdout]    --> src/animations.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use image::{GenericImage, DynamicImage, Frame, Frames, FilterType};    
[INFO] [stdout]     |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/animations.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut buffer;
[INFO] [stdout]    |             ^^^^^^^^^^ consider giving `buffer` a type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/animations.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut buffer;
[INFO] [stdout]    |             ^^^^^^^^^^ consider giving `buffer` a type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `image-to-gif-effects`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bc01103a370f246b142526919bea8b4cca60f4e4379331347b7f7da3896324e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc01103a370f246b142526919bea8b4cca60f4e4379331347b7f7da3896324e4", kill_on_drop: false }`
[INFO] [stdout] bc01103a370f246b142526919bea8b4cca60f4e4379331347b7f7da3896324e4