[INFO] fetching crate stardetect 0.3.0...
[INFO] testing stardetect-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate stardetect 0.3.0 into /workspace/builds/worker-2-tc1/source
[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] validating manifest of crates.io crate stardetect 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcbe0a786e6aa721bf67b3b73a4e6a49f3afe2d8b89ee5c2fdd0525bc32f96bf
[INFO] running `Command { std: "docker" "start" "-a" "dcbe0a786e6aa721bf67b3b73a4e6a49f3afe2d8b89ee5c2fdd0525bc32f96bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcbe0a786e6aa721bf67b3b73a4e6a49f3afe2d8b89ee5c2fdd0525bc32f96bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbe0a786e6aa721bf67b3b73a4e6a49f3afe2d8b89ee5c2fdd0525bc32f96bf", kill_on_drop: false }`
[INFO] [stdout] dcbe0a786e6aa721bf67b3b73a4e6a49f3afe2d8b89ee5c2fdd0525bc32f96bf
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95726f056729d8f7f7e47bac36f8f3c7f44a69b61613c7c43d808e35e01e735e
[INFO] running `Command { std: "docker" "start" "-a" "95726f056729d8f7f7e47bac36f8f3c7f44a69b61613c7c43d808e35e01e735e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "95726f056729d8f7f7e47bac36f8f3c7f44a69b61613c7c43d808e35e01e735e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95726f056729d8f7f7e47bac36f8f3c7f44a69b61613c7c43d808e35e01e735e", kill_on_drop: false }`
[INFO] [stdout] 95726f056729d8f7f7e47bac36f8f3c7f44a69b61613c7c43d808e35e01e735e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f448eead77fb3d1a6d2d6fe8408dabcbdd0e2db8e869085dda5f576ad3604a
[INFO] running `Command { std: "docker" "start" "-a" "b6f448eead77fb3d1a6d2d6fe8408dabcbdd0e2db8e869085dda5f576ad3604a", kill_on_drop: false }`
[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] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "b6f448eead77fb3d1a6d2d6fe8408dabcbdd0e2db8e869085dda5f576ad3604a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f448eead77fb3d1a6d2d6fe8408dabcbdd0e2db8e869085dda5f576ad3604a", kill_on_drop: false }`
[INFO] [stdout] b6f448eead77fb3d1a6d2d6fe8408dabcbdd0e2db8e869085dda5f576ad3604a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a50295de3641f1cc34845be603b0764b6ec8590ffbf73d297340bb182471ba69
[INFO] running `Command { std: "docker" "start" "-a" "a50295de3641f1cc34845be603b0764b6ec8590ffbf73d297340bb182471ba69", kill_on_drop: false }`
[INFO] [stderr] warning: struct `GrayscaleHistogram` is never constructed
[INFO] [stderr]  --> src/image_extensions.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(crate) struct GrayscaleHistogram(pub [usize; 255]);
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_histogram` is never used
[INFO] [stderr]  --> src/image_extensions.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub(crate) trait ImageExtensions {
[INFO] [stderr]   |                  --------------- method in this trait
[INFO] [stderr] 7 |     fn channel_wise_split(&self) -> (GrayImage, GrayImage, GrayImage);
[INFO] [stderr] 8 |     fn get_histogram(&self) -> GrayscaleHistogram;
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stardetect` (lib) generated 2 warnings
[INFO] [stderr] warning: `stardetect` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stardetect-60c182ea9e37a97f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stardetect-da1bf20d51abe6a3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stardetect
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a50295de3641f1cc34845be603b0764b6ec8590ffbf73d297340bb182471ba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50295de3641f1cc34845be603b0764b6ec8590ffbf73d297340bb182471ba69", kill_on_drop: false }`
[INFO] [stdout] a50295de3641f1cc34845be603b0764b6ec8590ffbf73d297340bb182471ba69