[INFO] updating cached repository https://github.com/adavidoff425/ImageMorphingRust
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4eb9125452139c5187d267b5294d9f7e4123d5ad
[INFO] checking adavidoff425/ImageMorphingRust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadavidoff425%2FImageMorphingRust" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adavidoff425/ImageMorphingRust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/adavidoff425/ImageMorphingRust
[INFO] finished tweaking git repo https://github.com/adavidoff425/ImageMorphingRust
[INFO] tweaked toml for git repo https://github.com/adavidoff425/ImageMorphingRust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/adavidoff425/ImageMorphingRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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] af6b418b767c3f50690c752c6aff9a8285276752c19d42d878b52d3ada858c34
[INFO] running `"docker" "start" "-a" "af6b418b767c3f50690c752c6aff9a8285276752c19d42d878b52d3ada858c34"`
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[INFO] [stderr]     Checking imagemorph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut src_warp = image::DynamicImage::ImageRgba8(src_map).flipv();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut dst_warp = image::DynamicImage::ImageRgba8(dst_map).flipv();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut src_warp = image::DynamicImage::ImageRgba8(src_map).flipv();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut dst_warp = image::DynamicImage::ImageRgba8(dst_map).flipv();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageBuffer`
[INFO] [stderr]   --> src/bin/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 | use image::{ImageBuffer, RgbaImage};
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageBuffer`
[INFO] [stderr]   --> src/bin/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 | use image::{ImageBuffer, RgbaImage};
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "af6b418b767c3f50690c752c6aff9a8285276752c19d42d878b52d3ada858c34"`
[INFO] running `"docker" "rm" "-f" "af6b418b767c3f50690c752c6aff9a8285276752c19d42d878b52d3ada858c34"`
[INFO] [stdout] af6b418b767c3f50690c752c6aff9a8285276752c19d42d878b52d3ada858c34