[INFO] fetching crate stardetect 0.3.0...
[INFO] checking stardetect-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate stardetect 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate stardetect 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate stardetect 0.3.0
[INFO] finished tweaking crates.io crate stardetect 0.3.0
[INFO] tweaked toml for crates.io crate stardetect 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate stardetect 0.3.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumn v0.1.13
[INFO] [stderr]   Downloaded rawloader v0.37.1
[INFO] [stderr]   Downloaded multicache v0.6.1
[INFO] [stderr]   Downloaded image-dwt v0.3.2
[INFO] [stderr]   Downloaded geo-types v0.7.13
[INFO] [stderr]   Downloaded rstar v0.12.0
[INFO] [stderr]   Downloaded image-webp v0.1.1
[INFO] [stderr]   Downloaded toml_edit v0.22.9
[INFO] [stderr]   Downloaded cfg-expr v0.15.7
[INFO] [stderr]   Downloaded imageproc v0.24.0
[INFO] [stderr]   Downloaded winnow v0.6.5
[INFO] [stderr]   Downloaded geographiclib-rs v0.2.4
[INFO] [stderr]   Downloaded imagepipe v0.5.0
[INFO] [stderr]   Downloaded bitstream-io v2.2.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.14
[INFO] [stderr]   Downloaded built v0.7.1
[INFO] [stderr]   Downloaded geo v0.28.0
[INFO] [stderr]   Downloaded ravif v0.11.5
[INFO] [stderr]   Downloaded rgb v0.8.37
[INFO] [stderr]   Downloaded spade v2.6.0
[INFO] [stderr]   Downloaded earcutr v0.4.3
[INFO] [stderr]   Downloaded image v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b8f56bbe883ed25fb385ab6265e2acfcab778ae065b91d62a2ac9e03577c1dc
[INFO] running `Command { std: "docker" "start" "-a" "3b8f56bbe883ed25fb385ab6265e2acfcab778ae065b91d62a2ac9e03577c1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8f56bbe883ed25fb385ab6265e2acfcab778ae065b91d62a2ac9e03577c1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8f56bbe883ed25fb385ab6265e2acfcab778ae065b91d62a2ac9e03577c1dc", kill_on_drop: false }`
[INFO] [stdout] 3b8f56bbe883ed25fb385ab6265e2acfcab778ae065b91d62a2ac9e03577c1dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1541736188f9616d8b7827a70588d0504e05c7752572bd3901b2721ad90ca07c
[INFO] running `Command { std: "docker" "start" "-a" "1541736188f9616d8b7827a70588d0504e05c7752572bd3901b2721ad90ca07c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-derive v0.4.2
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[INFO] [stderr]    Compiling serde_derive v1.0.197
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[INFO] [stderr]     Checking image v0.24.9
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[INFO] [stderr]     Checking imagepipe v0.5.0
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[INFO] [stderr]     Checking image v0.25.0
[INFO] [stderr]     Checking image-dwt v0.3.2
[INFO] [stderr]     Checking imageproc v0.24.0
[INFO] [stderr]     Checking stardetect v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `GrayscaleHistogram` is never constructed
[INFO] [stdout]  --> src/image_extensions.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct GrayscaleHistogram(pub [usize; 255]);
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_histogram` is never used
[INFO] [stdout]  --> src/image_extensions.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) trait ImageExtensions {
[INFO] [stdout]   |                  --------------- method in this trait
[INFO] [stdout] 7 |     fn channel_wise_split(&self) -> (GrayImage, GrayImage, GrayImage);
[INFO] [stdout] 8 |     fn get_histogram(&self) -> GrayscaleHistogram;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GrayscaleHistogram` is never constructed
[INFO] [stdout]  --> src/image_extensions.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct GrayscaleHistogram(pub [usize; 255]);
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_histogram` is never used
[INFO] [stdout]  --> src/image_extensions.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) trait ImageExtensions {
[INFO] [stdout]   |                  --------------- method in this trait
[INFO] [stdout] 7 |     fn channel_wise_split(&self) -> (GrayImage, GrayImage, GrayImage);
[INFO] [stdout] 8 |     fn get_histogram(&self) -> GrayscaleHistogram;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.41s
[INFO] running `Command { std: "docker" "inspect" "1541736188f9616d8b7827a70588d0504e05c7752572bd3901b2721ad90ca07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1541736188f9616d8b7827a70588d0504e05c7752572bd3901b2721ad90ca07c", kill_on_drop: false }`
[INFO] [stdout] 1541736188f9616d8b7827a70588d0504e05c7752572bd3901b2721ad90ca07c