[INFO] fetching crate image_colorpalette 0.1.5...
[INFO] testing image_colorpalette-0.1.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate image_colorpalette 0.1.5 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate image_colorpalette 0.1.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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: v0.25.8)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 369aca97f523aed788fa121aeab1a8f0466f2624257655f32c008d762b12e806
[INFO] running `Command { std: "docker" "start" "-a" "369aca97f523aed788fa121aeab1a8f0466f2624257655f32c008d762b12e806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369aca97f523aed788fa121aeab1a8f0466f2624257655f32c008d762b12e806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369aca97f523aed788fa121aeab1a8f0466f2624257655f32c008d762b12e806", kill_on_drop: false }`
[INFO] [stdout] 369aca97f523aed788fa121aeab1a8f0466f2624257655f32c008d762b12e806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3948a1b51bdd6c0889c6a4b29ad21b07ca840af5c3ca5c17e1b710e555db62b
[INFO] running `Command { std: "docker" "start" "-a" "f3948a1b51bdd6c0889c6a4b29ad21b07ca840af5c3ca5c17e1b710e555db62b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling weezl v0.1.11
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling bit_field v0.10.3
[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 serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling exr v1.74.0
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling hyper v0.14.32
[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 59.20s
[INFO] running `Command { std: "docker" "inspect" "f3948a1b51bdd6c0889c6a4b29ad21b07ca840af5c3ca5c17e1b710e555db62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3948a1b51bdd6c0889c6a4b29ad21b07ca840af5c3ca5c17e1b710e555db62b", kill_on_drop: false }`
[INFO] [stdout] f3948a1b51bdd6c0889c6a4b29ad21b07ca840af5c3ca5c17e1b710e555db62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ce4d05968319549275f18f4265a05bab34986a8d298dbcfbeae1892566e945a
[INFO] running `Command { std: "docker" "start" "-a" "8ce4d05968319549275f18f4265a05bab34986a8d298dbcfbeae1892566e945a", kill_on_drop: false }`
[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] [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 1.07s
[INFO] running `Command { std: "docker" "inspect" "8ce4d05968319549275f18f4265a05bab34986a8d298dbcfbeae1892566e945a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce4d05968319549275f18f4265a05bab34986a8d298dbcfbeae1892566e945a", kill_on_drop: false }`
[INFO] [stdout] 8ce4d05968319549275f18f4265a05bab34986a8d298dbcfbeae1892566e945a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 266ec223a533cfaaae918cf319ab3c7f49d2686e89a1c27bde67c29b0cc273e5
[INFO] running `Command { std: "docker" "start" "-a" "266ec223a533cfaaae918cf319ab3c7f49d2686e89a1c27bde67c29b0cc273e5", 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 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/image_colorpalette-ac7dbab3af43f648)
[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 0.01s
[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" "266ec223a533cfaaae918cf319ab3c7f49d2686e89a1c27bde67c29b0cc273e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266ec223a533cfaaae918cf319ab3c7f49d2686e89a1c27bde67c29b0cc273e5", kill_on_drop: false }`
[INFO] [stdout] 266ec223a533cfaaae918cf319ab3c7f49d2686e89a1c27bde67c29b0cc273e5