[INFO] cloning repository https://github.com/AlexanderMattheis/filter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderMattheis/filter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderMattheis%2Ffilter"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderMattheis%2Ffilter'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3512e3605c6313ad2f47d3b5c680ad3dcc4679d
[INFO] checking AlexanderMattheis/filter against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderMattheis%2Ffilter" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexanderMattheis/filter on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AlexanderMattheis/filter
[INFO] finished tweaking git repo https://github.com/AlexanderMattheis/filter
[INFO] tweaked toml for git repo https://github.com/AlexanderMattheis/filter written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexanderMattheis/filter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbc2fd4b40b7a3a9b5a353d4af05bc135f41c147ed364a6ef72732869ff5dd2b
[INFO] running `"docker" "start" "-a" "fbc2fd4b40b7a3a9b5a353d4af05bc135f41c147ed364a6ef72732869ff5dd2b"`
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.1
[INFO] [stderr]     Checking image-manipulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `GenericImageView`, `ImageBuffer`, `RgbaImage`
[INFO] [stderr]  --> src/system/io/argument_executor.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{DynamicImage, GenericImageView, ImageBuffer, RgbaImage};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/system/io/argument_executor.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let image: DynamicImage = image::open(arguments.input_path).unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImageView`, `ImageBuffer`, `RgbaImage`
[INFO] [stderr]  --> src/system/io/argument_executor.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::{DynamicImage, GenericImageView, ImageBuffer, RgbaImage};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/system/io/argument_executor.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let image: DynamicImage = image::open(arguments.input_path).unwrap();
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `"docker" "inspect" "fbc2fd4b40b7a3a9b5a353d4af05bc135f41c147ed364a6ef72732869ff5dd2b"`
[INFO] running `"docker" "rm" "-f" "fbc2fd4b40b7a3a9b5a353d4af05bc135f41c147ed364a6ef72732869ff5dd2b"`
[INFO] [stdout] fbc2fd4b40b7a3a9b5a353d4af05bc135f41c147ed364a6ef72732869ff5dd2b