[INFO] fetching crate seagul_core 0.1.0...
[INFO] checking seagul_core-0.1.0 against master#9cf699d2ff4ff23a6d6862a35727f4d5d3567dae for pr-98456-1
[INFO] extracting crate seagul_core 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate seagul_core 0.1.0 on toolchain 9cf699d2ff4ff23a6d6862a35727f4d5d3567dae
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seagul_core 0.1.0
[INFO] finished tweaking crates.io crate seagul_core 0.1.0
[INFO] tweaked toml for crates.io crate seagul_core 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded bytemuck v1.9.1
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[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8111dfa67c8d7d84293c28c1dbce85b775fedcca75f755956d29799dbf3a7294
[INFO] running `Command { std: "docker" "start" "-a" "8111dfa67c8d7d84293c28c1dbce85b775fedcca75f755956d29799dbf3a7294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8111dfa67c8d7d84293c28c1dbce85b775fedcca75f755956d29799dbf3a7294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8111dfa67c8d7d84293c28c1dbce85b775fedcca75f755956d29799dbf3a7294", kill_on_drop: false }`
[INFO] [stdout] 8111dfa67c8d7d84293c28c1dbce85b775fedcca75f755956d29799dbf3a7294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba9b6256e3e53215bf9183b5d8ce1147dbb752e04970a50485194576956c51a8
[INFO] running `Command { std: "docker" "start" "-a" "ba9b6256e3e53215bf9183b5d8ce1147dbb752e04970a50485194576956c51a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
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[INFO] [stderr]     Checking seagul_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `original_image` is never read
[INFO] [stdout]   --> src/encoder.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct EncodedImage {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 41 |     altered_image: image::DynamicImage,
[INFO] [stdout] 42 |     original_image: image::DynamicImage,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `EncodedImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original_image` is never read
[INFO] [stdout]   --> src/encoder.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct EncodedImage {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 41 |     altered_image: image::DynamicImage,
[INFO] [stdout] 42 |     original_image: image::DynamicImage,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `EncodedImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.46s
[INFO] running `Command { std: "docker" "inspect" "ba9b6256e3e53215bf9183b5d8ce1147dbb752e04970a50485194576956c51a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9b6256e3e53215bf9183b5d8ce1147dbb752e04970a50485194576956c51a8", kill_on_drop: false }`
[INFO] [stdout] ba9b6256e3e53215bf9183b5d8ce1147dbb752e04970a50485194576956c51a8