[INFO] fetching crate image_colorpalette 0.1.5...
[INFO] checking image_colorpalette-0.1.5 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate image_colorpalette 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate image_colorpalette 0.1.5
[INFO] finished tweaking crates.io crate image_colorpalette 0.1.5
[INFO] tweaked toml for crates.io crate image_colorpalette 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate image_colorpalette 0.1.5 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 187 packages to latest compatible versions
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.6)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.20)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 386bbef57989d0883c2621d26023b6593e64f52e214153448d3cbfdf3c72e0ae
[INFO] running `Command { std: "docker" "start" "-a" "386bbef57989d0883c2621d26023b6593e64f52e214153448d3cbfdf3c72e0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386bbef57989d0883c2621d26023b6593e64f52e214153448d3cbfdf3c72e0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386bbef57989d0883c2621d26023b6593e64f52e214153448d3cbfdf3c72e0ae", kill_on_drop: false }`
[INFO] [stdout] 386bbef57989d0883c2621d26023b6593e64f52e214153448d3cbfdf3c72e0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5911c0eeb90812bf895aeb9f65043400f0f3ab5d659264d954828757373af981
[INFO] running `Command { std: "docker" "start" "-a" "5911c0eeb90812bf895aeb9f65043400f0f3ab5d659264d954828757373af981", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
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[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking crc32fast v1.4.2
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[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking log v0.4.27
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[INFO] [stderr]     Checking image v0.24.9
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[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
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[INFO] [stderr]     Checking zerotrie v0.2.2
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[INFO] [stderr]     Checking icu_locale_core v2.0.0
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[INFO] [stderr]     Checking icu_provider v2.0.0
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[INFO] [stderr]     Checking icu_properties v2.0.1
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[INFO] [stderr]     Checking idna_adapter v1.2.1
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking image_colorpalette v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&u8` instead of cloning the inner type
[INFO] [stdout]    --> src/handle_image.rs:139:50
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 match vec.iter().max_by_key(|x| x.clone()) {
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&u8` instead of cloning the inner type
[INFO] [stdout]    --> src/handle_image.rs:139:50
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 match vec.iter().max_by_key(|x| x.clone()) {
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.17s
[INFO] running `Command { std: "docker" "inspect" "5911c0eeb90812bf895aeb9f65043400f0f3ab5d659264d954828757373af981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5911c0eeb90812bf895aeb9f65043400f0f3ab5d659264d954828757373af981", kill_on_drop: false }`
[INFO] [stdout] 5911c0eeb90812bf895aeb9f65043400f0f3ab5d659264d954828757373af981