[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 try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjefflembeck%2Fimg_stats" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jefflembeck/img_stats on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jefflembeck/img_stats against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjefflembeck%2Fimg_stats" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jefflembeck/img_stats on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7313cfacdd1907873573d17797b5e57452d746f4dfe94c20bf168894269ed10b
[INFO] running `Command { std: "docker" "start" "-a" "7313cfacdd1907873573d17797b5e57452d746f4dfe94c20bf168894269ed10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7313cfacdd1907873573d17797b5e57452d746f4dfe94c20bf168894269ed10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7313cfacdd1907873573d17797b5e57452d746f4dfe94c20bf168894269ed10b", kill_on_drop: false }`
[INFO] [stdout] 7313cfacdd1907873573d17797b5e57452d746f4dfe94c20bf168894269ed10b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8efd03d15eedb75ab6fa07280237d328e9d4ddd29ff3306409c1f2c5e216a668
[INFO] running `Command { std: "docker" "start" "-a" "8efd03d15eedb75ab6fa07280237d328e9d4ddd29ff3306409c1f2c5e216a668", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking img_stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut file = get_file("./test/security.png");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[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/4f260f0f20b3133d20cfb50353c0221943af5796/library/core/src/iter/traits/collect.rs:310:18
[INFO] [stdout] help: if you want to call `next` on a iterator within the loop, consider using `while let`
[INFO] [stdout]    |
[INFO] [stdout] 44 -         for chunk in iter {
[INFO] [stdout] 44 +         while let Some(chunk) = iter.next() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/main.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 let width = iter.next();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut file = get_file("./test/security.png");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[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/4f260f0f20b3133d20cfb50353c0221943af5796/library/core/src/iter/traits/collect.rs:310:18
[INFO] [stdout] help: if you want to call `next` on a iterator within the loop, consider using `while let`
[INFO] [stdout]    |
[INFO] [stdout] 44 -         for chunk in iter {
[INFO] [stdout] 44 +         while let Some(chunk) = iter.next() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/main.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 let width = iter.next();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8efd03d15eedb75ab6fa07280237d328e9d4ddd29ff3306409c1f2c5e216a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efd03d15eedb75ab6fa07280237d328e9d4ddd29ff3306409c1f2c5e216a668", kill_on_drop: false }`
[INFO] [stdout] 8efd03d15eedb75ab6fa07280237d328e9d4ddd29ff3306409c1f2c5e216a668