[INFO] fetching crate imagequant 4.4.1...
[INFO] testing imagequant-4.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate imagequant 4.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate imagequant 4.4.1
[INFO] finished tweaking crates.io crate imagequant 4.4.1
[INFO] tweaked toml for crates.io crate imagequant 4.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate imagequant 4.4.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate imagequant 4.4.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f911babca25b87bc35c0437604d94774e6fd4d286cd55e989fd3556cc23312a
[INFO] running `Command { std: "docker" "start" "-a" "2f911babca25b87bc35c0437604d94774e6fd4d286cd55e989fd3556cc23312a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f911babca25b87bc35c0437604d94774e6fd4d286cd55e989fd3556cc23312a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f911babca25b87bc35c0437604d94774e6fd4d286cd55e989fd3556cc23312a", kill_on_drop: false }`
[INFO] [stdout] 2f911babca25b87bc35c0437604d94774e6fd4d286cd55e989fd3556cc23312a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41c5997b78bf66e04558969aa49607bd4111edf7cb271db96db4cdb59421709d
[INFO] running `Command { std: "docker" "start" "-a" "41c5997b78bf66e04558969aa49607bd4111edf7cb271db96db4cdb59421709d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling rgb v0.8.51
[INFO] [stderr]    Compiling imagequant v4.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `Eq::assert_receiver_is_total_eq` should never be implemented by hand
[INFO] [stdout]    --> src/hist.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     fn assert_receiver_is_total_eq(&self) {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method was used to add checks to the `Eq` derive macro
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #152336 <https://github.com/rust-lang/rust/issues/152336>
[INFO] [stdout]     = note: `#[warn(internal_eq_trait_method_impls)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "41c5997b78bf66e04558969aa49607bd4111edf7cb271db96db4cdb59421709d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c5997b78bf66e04558969aa49607bd4111edf7cb271db96db4cdb59421709d", kill_on_drop: false }`
[INFO] [stdout] 41c5997b78bf66e04558969aa49607bd4111edf7cb271db96db4cdb59421709d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 952d9ff792729f1e4b7ab06b05fdfad61c486a5e338554d1369c6ddf530fb50e
[INFO] running `Command { std: "docker" "start" "-a" "952d9ff792729f1e4b7ab06b05fdfad61c486a5e338554d1369c6ddf530fb50e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zlib-rs v0.5.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling libz-rs-sys v0.5.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling lodepng v3.12.1
[INFO] [stderr]    Compiling imagequant v4.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `Eq::assert_receiver_is_total_eq` should never be implemented by hand
[INFO] [stdout]    --> src/hist.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     fn assert_receiver_is_total_eq(&self) {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method was used to add checks to the `Eq` derive macro
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #152336 <https://github.com/rust-lang/rust/issues/152336>
[INFO] [stdout]     = note: `#[warn(internal_eq_trait_method_impls)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "952d9ff792729f1e4b7ab06b05fdfad61c486a5e338554d1369c6ddf530fb50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952d9ff792729f1e4b7ab06b05fdfad61c486a5e338554d1369c6ddf530fb50e", kill_on_drop: false }`
[INFO] [stdout] 952d9ff792729f1e4b7ab06b05fdfad61c486a5e338554d1369c6ddf530fb50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a2ec704a78a42623f7d467f76581a214f7fbfe4f27c3c924a35eabb2a7c3abc
[INFO] running `Command { std: "docker" "start" "-a" "7a2ec704a78a42623f7d467f76581a214f7fbfe4f27c3c924a35eabb2a7c3abc", kill_on_drop: false }`
[INFO] [stderr] warning: `Eq::assert_receiver_is_total_eq` should never be implemented by hand
[INFO] [stderr]    --> src/hist.rs:432:5
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn assert_receiver_is_total_eq(&self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this method was used to add checks to the `Eq` derive macro
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #152336 <https://github.com/rust-lang/rust/issues/152336>
[INFO] [stderr]     = note: `#[warn(internal_eq_trait_method_impls)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `imagequant` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/imagequant-38113082204eeda1)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test copy_img ... ok
[INFO] [stdout] test attr::getset ... ok
[INFO] [stdout] test attr::counters ... ok
[INFO] [stdout] test histogram ... ok
[INFO] [stdout] test rows::send ... ok
[INFO] [stdout] test pal::diff_test ... ok
[INFO] [stdout] test set_importance_map ... ok
[INFO] [stdout] test pal::pal_test ... ok
[INFO] [stdout] test r_callback_test ... ok
[INFO] [stdout] test sizes ... ok
[INFO] [stdout] test takes_rgba ... ok
[INFO] [stdout] test test_fixed_colors ... ok
[INFO] [stdout] test remap::send ... ok
[INFO] [stdout] test thread ... ok
[INFO] [stdout] test poke_it ... ok
[INFO] [stdout] test remap::background_to_nop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a2ec704a78a42623f7d467f76581a214f7fbfe4f27c3c924a35eabb2a7c3abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2ec704a78a42623f7d467f76581a214f7fbfe4f27c3c924a35eabb2a7c3abc", kill_on_drop: false }`
[INFO] [stdout] 7a2ec704a78a42623f7d467f76581a214f7fbfe4f27c3c924a35eabb2a7c3abc