[INFO] fetching crate kmeans_colors 0.7.1...
[INFO] checking kmeans_colors-0.7.1 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-4
[INFO] extracting crate kmeans_colors 0.7.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate kmeans_colors 0.7.1
[INFO] finished tweaking crates.io crate kmeans_colors 0.7.1
[INFO] tweaked toml for crates.io crate kmeans_colors 0.7.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kmeans_colors 0.7.1 on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kmeans_colors 0.7.1 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f3a95804799b2cbf9ec6d183a0dcd43a979531555e0b7b1da47a0e617947db1
[INFO] running `Command { std: "docker" "start" "-a" "4f3a95804799b2cbf9ec6d183a0dcd43a979531555e0b7b1da47a0e617947db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f3a95804799b2cbf9ec6d183a0dcd43a979531555e0b7b1da47a0e617947db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3a95804799b2cbf9ec6d183a0dcd43a979531555e0b7b1da47a0e617947db1", kill_on_drop: false }`
[INFO] [stdout] 4f3a95804799b2cbf9ec6d183a0dcd43a979531555e0b7b1da47a0e617947db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb4047c129d9d1f02bd7929fa06cd2f5d9115f81f4421b566e57d922a26379e
[INFO] running `Command { std: "docker" "start" "-a" "afb4047c129d9d1f02bd7929fa06cd2f5d9115f81f4421b566e57d922a26379e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]    Compiling palette v0.7.6
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking pxfm v0.1.23
[INFO] [stderr]     Checking fast-srgb8 v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking moxcms v0.7.5
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling palette_derive v0.7.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking image v0.25.8
[INFO] [stdout] error[E0446]: crate-private trait `HelpDispatchTransform` in public interface
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/image-0.25.8/src/traits.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         type TransformableSubpixel: HelpDispatchTransform;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak crate-private trait
[INFO] [stdout] ...
[INFO] [stdout] 380 |     pub(crate) trait HelpDispatchTransform: Sized + 'static {
[INFO] [stdout]     |     ------------------------------------------------------- `HelpDispatchTransform` declared as crate-private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `image` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "afb4047c129d9d1f02bd7929fa06cd2f5d9115f81f4421b566e57d922a26379e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb4047c129d9d1f02bd7929fa06cd2f5d9115f81f4421b566e57d922a26379e", kill_on_drop: false }`
[INFO] [stdout] afb4047c129d9d1f02bd7929fa06cd2f5d9115f81f4421b566e57d922a26379e