[INFO] cloning repository https://github.com/jefflembeck/img_stats
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjefflembeck%2Fimg_stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4326278b3ce5f3ac81f54897763922d355652732
[INFO] checking jefflembeck/img_stats against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjefflembeck%2Fimg_stats" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jefflembeck/img_stats on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jefflembeck/img_stats already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fefc4e80794029cc070875d51fd8d3619b0d8d648f5bef012426afb41891788f
[INFO] running `Command { std: "docker" "start" "-a" "fefc4e80794029cc070875d51fd8d3619b0d8d648f5bef012426afb41891788f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fefc4e80794029cc070875d51fd8d3619b0d8d648f5bef012426afb41891788f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefc4e80794029cc070875d51fd8d3619b0d8d648f5bef012426afb41891788f", kill_on_drop: false }`
[INFO] [stdout] fefc4e80794029cc070875d51fd8d3619b0d8d648f5bef012426afb41891788f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a009d4ace3feec39ae2800f1088477bbad50247a9dd1f0ac21292c6c0dfb869
[INFO] running `Command { std: "docker" "start" "-a" "2a009d4ace3feec39ae2800f1088477bbad50247a9dd1f0ac21292c6c0dfb869", kill_on_drop: false }`
[INFO] [stderr]     Checking img_stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0382]: borrow of moved value: `iter`
[INFO] [stdout]   --> src/main.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut iter = buffer.chunks(4);
[INFO] [stdout]    |             -------- move occurs because `iter` has type `Chunks<'_, u8>`, which does not implement the `Copy` trait
[INFO] [stdout] 44 |         for chunk in iter {
[INFO] [stdout]    |                      ---- `iter` moved due to this implicit call to `.into_iter()`
[INFO] [stdout] 45 |             if chunk == [73, 72, 68, 82] {
[INFO] [stdout] 46 |                 let width = iter.next();
[INFO] [stdout]    |                             ^^^^ value borrowed here after move
[INFO] [stdout]    |
[INFO] [stdout]    = note: a for loop advances the iterator for you, the result is stored in `chunk`
[INFO] [stdout] note: `into_iter` takes ownership of the receiver `self`, which moves `iter`
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/iter/traits/collect.rs:311:18
[INFO] [stdout] help: if you want to call `next` on a iterator within the loop, consider using `while let`
[INFO] [stdout]    |
[INFO] [stdout] 44 |         while let Some(chunk) = iter.next() {
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~     ~~~     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `iter`
[INFO] [stdout]   --> src/main.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut iter = buffer.chunks(4);
[INFO] [stdout]    |             -------- move occurs because `iter` has type `Chunks<'_, u8>`, which does not implement the `Copy` trait
[INFO] [stdout] 44 |         for chunk in iter {
[INFO] [stdout]    |                      ---- `iter` moved due to this implicit call to `.into_iter()`
[INFO] [stdout] 45 |             if chunk == [73, 72, 68, 82] {
[INFO] [stdout] 46 |                 let width = iter.next();
[INFO] [stdout]    |                             ^^^^ value borrowed here after move
[INFO] [stdout]    |
[INFO] [stdout]    = note: a for loop advances the iterator for you, the result is stored in `chunk`
[INFO] [stdout] note: `into_iter` takes ownership of the receiver `self`, which moves `iter`
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/iter/traits/collect.rs:311:18
[INFO] [stdout] help: if you want to call `next` on a iterator within the loop, consider using `while let`
[INFO] [stdout]    |
[INFO] [stdout] 44 |         while let Some(chunk) = iter.next() {
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~     ~~~     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `img_stats` (bin "img_stats") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `img_stats` (bin "img_stats" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2a009d4ace3feec39ae2800f1088477bbad50247a9dd1f0ac21292c6c0dfb869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a009d4ace3feec39ae2800f1088477bbad50247a9dd1f0ac21292c6c0dfb869", kill_on_drop: false }`
[INFO] [stdout] 2a009d4ace3feec39ae2800f1088477bbad50247a9dd1f0ac21292c6c0dfb869