[INFO] fetching crate image_colorpalette 0.1.5...
[INFO] testing image_colorpalette-0.1.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate image_colorpalette 0.1.5 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate image_colorpalette 0.1.5 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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 184 packages to latest compatible versions
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.8)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.23)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c21907e388d44fdd429745cb7ec8f2637d8a45c784ada586c83f7f74fa6ca05
[INFO] running `Command { std: "docker" "start" "-a" "2c21907e388d44fdd429745cb7ec8f2637d8a45c784ada586c83f7f74fa6ca05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c21907e388d44fdd429745cb7ec8f2637d8a45c784ada586c83f7f74fa6ca05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c21907e388d44fdd429745cb7ec8f2637d8a45c784ada586c83f7f74fa6ca05", kill_on_drop: false }`
[INFO] [stdout] 2c21907e388d44fdd429745cb7ec8f2637d8a45c784ada586c83f7f74fa6ca05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d346e498ef068e863496ded220d6dc963933e0d6966f54789904810acd111a3
[INFO] running `Command { std: "docker" "start" "-a" "9d346e498ef068e863496ded220d6dc963933e0d6966f54789904810acd111a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling lebe v0.5.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling gif v0.13.3
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
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[INFO] [stderr]    Compiling displaydoc v0.2.5
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "9d346e498ef068e863496ded220d6dc963933e0d6966f54789904810acd111a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d346e498ef068e863496ded220d6dc963933e0d6966f54789904810acd111a3", kill_on_drop: false }`
[INFO] [stdout] 9d346e498ef068e863496ded220d6dc963933e0d6966f54789904810acd111a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c02ec85e2193afa4e9b05d01a4cebe1afcf4f04d949e1405cfc9ad7e4da71d7a
[INFO] running `Command { std: "docker" "start" "-a" "c02ec85e2193afa4e9b05d01a4cebe1afcf4f04d949e1405cfc9ad7e4da71d7a", kill_on_drop: false }`
[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]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c02ec85e2193afa4e9b05d01a4cebe1afcf4f04d949e1405cfc9ad7e4da71d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02ec85e2193afa4e9b05d01a4cebe1afcf4f04d949e1405cfc9ad7e4da71d7a", kill_on_drop: false }`
[INFO] [stdout] c02ec85e2193afa4e9b05d01a4cebe1afcf4f04d949e1405cfc9ad7e4da71d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b35bbb106ad21739fd5b8c046c65e7831a883d01b05ed720883358b156fe1da
[INFO] running `Command { std: "docker" "start" "-a" "0b35bbb106ad21739fd5b8c046c65e7831a883d01b05ed720883358b156fe1da", kill_on_drop: false }`
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&u8` instead of cloning the inner type
[INFO] [stderr]    --> src/handle_image.rs:139:50
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 match vec.iter().max_by_key(|x| x.clone()) {
[INFO] [stderr]     |                                                  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `image_colorpalette` (lib) generated 1 warning
[INFO] [stderr] warning: `image_colorpalette` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/image_colorpalette-1c8606f3fa2f0593)
[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 image_colorpalette
[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" "0b35bbb106ad21739fd5b8c046c65e7831a883d01b05ed720883358b156fe1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b35bbb106ad21739fd5b8c046c65e7831a883d01b05ed720883358b156fe1da", kill_on_drop: false }`
[INFO] [stdout] 0b35bbb106ad21739fd5b8c046c65e7831a883d01b05ed720883358b156fe1da