[INFO] cloning repository https://github.com/ljp-projects/maif
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ljp-projects/maif" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljp-projects%2Fmaif", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljp-projects%2Fmaif'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b37d12e322655011f34db673a7aae068099dde43
[INFO] checking ljp-projects/maif against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljp-projects%2Fmaif" "/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/ljp-projects/maif on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ljp-projects/maif
[INFO] finished tweaking git repo https://github.com/ljp-projects/maif
[INFO] tweaked toml for git repo https://github.com/ljp-projects/maif written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ljp-projects/maif 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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daa44a88ed6f960b7c780072bc8872b9886a5d9a5430e86155041b9ec2626e08
[INFO] running `Command { std: "docker" "start" "-a" "daa44a88ed6f960b7c780072bc8872b9886a5d9a5430e86155041b9ec2626e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa44a88ed6f960b7c780072bc8872b9886a5d9a5430e86155041b9ec2626e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa44a88ed6f960b7c780072bc8872b9886a5d9a5430e86155041b9ec2626e08", kill_on_drop: false }`
[INFO] [stdout] daa44a88ed6f960b7c780072bc8872b9886a5d9a5430e86155041b9ec2626e08
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 545a4267f895342e56fa68a8c77eeb9b1d4a3bd43c187b69a0b2972f1064244d
[INFO] running `Command { std: "docker" "start" "-a" "545a4267f895342e56fa68a8c77eeb9b1d4a3bd43c187b69a0b2972f1064244d", kill_on_drop: false }`
[INFO] [stderr]     Checking maif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `width`, `height`, and `datetime` are never read
[INFO] [stdout]   --> src/lib.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 7  |     pub struct MAIFHeader {
[INFO] [stdout]    |                ---------- fields in this struct
[INFO] [stdout] 8  |         width: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 9  |         height: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 10 |         datetime: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MAIFHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tone_sign` and `alpha_channel` are never read
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub struct MAIFPixel {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] 15 |         tone_sign: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 16 |         alpha_channel: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MAIFPixel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `pixels` are never read
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub struct MAIFImage {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] 21 |         header: MAIFHeader,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 22 |         pixels: Vec<MAIFPixel>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MAIFImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `height`, and `datetime` are never read
[INFO] [stdout]   --> src/lib.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 7  |     pub struct MAIFHeader {
[INFO] [stdout]    |                ---------- fields in this struct
[INFO] [stdout] 8  |         width: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 9  |         height: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 10 |         datetime: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MAIFHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tone_sign` and `alpha_channel` are never read
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub struct MAIFPixel {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] 15 |         tone_sign: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 16 |         alpha_channel: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MAIFPixel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `pixels` are never read
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub struct MAIFImage {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] 21 |         header: MAIFHeader,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 22 |         pixels: Vec<MAIFPixel>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MAIFImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "545a4267f895342e56fa68a8c77eeb9b1d4a3bd43c187b69a0b2972f1064244d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545a4267f895342e56fa68a8c77eeb9b1d4a3bd43c187b69a0b2972f1064244d", kill_on_drop: false }`
[INFO] [stdout] 545a4267f895342e56fa68a8c77eeb9b1d4a3bd43c187b69a0b2972f1064244d