[INFO] cloning repository https://github.com/emreturgutce/rust-basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emreturgutce/rust-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreturgutce%2Frust-basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreturgutce%2Frust-basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d00fbdc5bd4838b7c70e49068b12ae37741c463b
[INFO] checking emreturgutce/rust-basics against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreturgutce%2Frust-basics" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emreturgutce/rust-basics
[INFO] finished tweaking git repo https://github.com/emreturgutce/rust-basics
[INFO] tweaked toml for git repo https://github.com/emreturgutce/rust-basics written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emreturgutce/rust-basics on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emreturgutce/rust-basics 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24b6b8a9d0aa8bacc2c992a56d1576051c1bf47a981c363ee9b61625dc8f05d4
[INFO] running `Command { std: "docker" "start" "-a" "24b6b8a9d0aa8bacc2c992a56d1576051c1bf47a981c363ee9b61625dc8f05d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24b6b8a9d0aa8bacc2c992a56d1576051c1bf47a981c363ee9b61625dc8f05d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b6b8a9d0aa8bacc2c992a56d1576051c1bf47a981c363ee9b61625dc8f05d4", kill_on_drop: false }`
[INFO] [stdout] 24b6b8a9d0aa8bacc2c992a56d1576051c1bf47a981c363ee9b61625dc8f05d4
[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=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afdd7215a1413d11eb242f67d87d2bfaaeb8f3ba5c5ec3981fb49a0ab56c075c
[INFO] running `Command { std: "docker" "start" "-a" "afdd7215a1413d11eb242f67d87d2bfaaeb8f3ba5c5ec3981fb49a0ab56c075c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking rust-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `image_2`
[INFO] [stdout]   --> src/main.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (image_1, image_2) = standardise_size(image_1, image_2);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let output = FloatingImage::new(image_1.width(), image_1.height(), args.output);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `height`, `data`, and `name` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct FloatingImage {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 13 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_2`
[INFO] [stdout]   --> src/main.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (image_1, image_2) = standardise_size(image_1, image_2);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let output = FloatingImage::new(image_1.width(), image_1.height(), args.output);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `height`, `data`, and `name` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct FloatingImage {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 13 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `Command { std: "docker" "inspect" "afdd7215a1413d11eb242f67d87d2bfaaeb8f3ba5c5ec3981fb49a0ab56c075c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdd7215a1413d11eb242f67d87d2bfaaeb8f3ba5c5ec3981fb49a0ab56c075c", kill_on_drop: false }`
[INFO] [stdout] afdd7215a1413d11eb242f67d87d2bfaaeb8f3ba5c5ec3981fb49a0ab56c075c