[INFO] cloning repository https://github.com/jefflembeck/img_stats
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jefflembeck/img_stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjefflembeck%2Fimg_stats"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjefflembeck%2Fimg_stats'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4326278b3ce5f3ac81f54897763922d355652732
[INFO] testing jefflembeck/img_stats against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjefflembeck%2Fimg_stats" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jefflembeck/img_stats on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jefflembeck/img_stats
[INFO] finished tweaking git repo https://github.com/jefflembeck/img_stats
[INFO] tweaked toml for git repo https://github.com/jefflembeck/img_stats written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jefflembeck/img_stats already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66ab36c073bfbce5230536ff744783949e097647cb53673183eace0781ce3ac4
[INFO] running `"docker" "start" "-a" "66ab36c073bfbce5230536ff744783949e097647cb53673183eace0781ce3ac4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling img_stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/main.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let width = iter.next();
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut file = get_file("./test/security.png");
[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] error[E0382]: borrow of moved value: `iter`
[INFO] [stderr]   --> src/main.rs:46:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut iter = buffer.chunks(4);
[INFO] [stderr]    |             -------- move occurs because `iter` has type `std::slice::Chunks<'_, u8>`, which does not implement the `Copy` trait
[INFO] [stderr] 44 |         for chunk in iter {
[INFO] [stderr]    |                      ----
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      value moved here
[INFO] [stderr]    |                      help: consider borrowing to avoid moving into the for loop: `&iter`
[INFO] [stderr] 45 |             if chunk == [73, 72, 68, 82] {
[INFO] [stderr] 46 |                 let width = iter.next();
[INFO] [stderr]    |                             ^^^^ value borrowed here after move
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0382`.
[INFO] [stderr] error: could not compile `img_stats`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "66ab36c073bfbce5230536ff744783949e097647cb53673183eace0781ce3ac4"`
[INFO] running `"docker" "rm" "-f" "66ab36c073bfbce5230536ff744783949e097647cb53673183eace0781ce3ac4"`
[INFO] [stdout] 66ab36c073bfbce5230536ff744783949e097647cb53673183eace0781ce3ac4