[INFO] fetching crate fev 0.1.0...
[INFO] checking fev-0.1.0 against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] extracting crate fev 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fev 0.1.0 on toolchain c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fev 0.1.0
[INFO] finished tweaking crates.io crate fev 0.1.0
[INFO] tweaked toml for crates.io crate fev 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate fev 0.1.0 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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a33cac6666c3ec46dada6e641762a456a99b27418a8c3a6a26fc745be079357
[INFO] running `Command { std: "docker" "start" "-a" "4a33cac6666c3ec46dada6e641762a456a99b27418a8c3a6a26fc745be079357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a33cac6666c3ec46dada6e641762a456a99b27418a8c3a6a26fc745be079357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a33cac6666c3ec46dada6e641762a456a99b27418a8c3a6a26fc745be079357", kill_on_drop: false }`
[INFO] [stdout] 4a33cac6666c3ec46dada6e641762a456a99b27418a8c3a6a26fc745be079357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d07000d1428e1b1dfc1881d0917d6d011929d15b1eed106945fe01329b43fe6
[INFO] running `Command { std: "docker" "start" "-a" "1d07000d1428e1b1dfc1881d0917d6d011929d15b1eed106945fe01329b43fe6", kill_on_drop: false }`
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[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
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[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking fev v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]    --> src/jpeg/parser.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub struct Segment<'a> {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 248 |     /// Offset of the segment's marker in the input buffer.
[INFO] [stdout] 249 |     pub pos: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Segment` 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 `marker` and `data` are never read
[INFO] [stdout]    --> src/jpeg/parser.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |     Other { marker: u8, data: &'a [u8] },
[INFO] [stdout]     |     -----   ^^^^^^      ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wayland-client v0.30.2
[INFO] [stdout] warning: fields `marker` and `data` are never read
[INFO] [stdout]    --> src/jpeg/parser.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |     Other { marker: u8, data: &'a [u8] },
[INFO] [stdout]     |     -----   ^^^^^^      ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.73s
[INFO] running `Command { std: "docker" "inspect" "1d07000d1428e1b1dfc1881d0917d6d011929d15b1eed106945fe01329b43fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d07000d1428e1b1dfc1881d0917d6d011929d15b1eed106945fe01329b43fe6", kill_on_drop: false }`
[INFO] [stdout] 1d07000d1428e1b1dfc1881d0917d6d011929d15b1eed106945fe01329b43fe6