[INFO] updating cached repository https://github.com/google/pix-image-viewer
[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] 54e4f24f73bae03e9761c4b590b53cfb8b9c61be
[INFO] checking google/pix-image-viewer against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fpix-image-viewer" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/google/pix-image-viewer 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/google/pix-image-viewer
[INFO] finished tweaking git repo https://github.com/google/pix-image-viewer
[INFO] tweaked toml for git repo https://github.com/google/pix-image-viewer written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/google/pix-image-viewer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 49d3124a7922fe9b4983d9b6f50e6e6c9c89da4a74f4305ae86964c1ed7a42fd
[INFO] running `"docker" "start" "-a" "49d3124a7922fe9b4983d9b6f50e6e6c9c89da4a74f4305ae86964c1ed7a42fd"`
[INFO] [stderr]     Checking cfg-if v0.1.7
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[INFO] [stderr]     Checking pix-image-viewer v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/stats.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         { Mutex::new(BTreeMap::new()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/stats.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         { Mutex::new(BTreeMap::new()) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/groups.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/groups.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec2_min`
[INFO] [stderr]   --> src/vec.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn vec2_min(a: Vector2<u32>, b: Vector2<u32>) -> Vector2<u32> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mouse`
[INFO] [stderr]    --> src/view.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn mouse(&self) -> Vector2<f64> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec2_min`
[INFO] [stderr]   --> src/vec.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn vec2_min(a: Vector2<u32>, b: Vector2<u32>) -> Vector2<u32> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mouse`
[INFO] [stderr]    --> src/view.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn mouse(&self) -> Vector2<f64> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `"docker" "inspect" "49d3124a7922fe9b4983d9b6f50e6e6c9c89da4a74f4305ae86964c1ed7a42fd"`
[INFO] running `"docker" "rm" "-f" "49d3124a7922fe9b4983d9b6f50e6e6c9c89da4a74f4305ae86964c1ed7a42fd"`
[INFO] [stdout] 49d3124a7922fe9b4983d9b6f50e6e6c9c89da4a74f4305ae86964c1ed7a42fd