[INFO] fetching crate tai 0.0.8...
[INFO] testing tai-0.0.8 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tai 0.0.8 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tai 0.0.8
[INFO] finished tweaking crates.io crate tai 0.0.8
[INFO] tweaked toml for crates.io crate tai 0.0.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tai 0.0.8 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tai 0.0.8 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 471a06c32f479aeefc13f14628a7acfb1751bbc9e95980932b4ffc185cde1d18
[INFO] running `Command { std: "docker" "start" "-a" "471a06c32f479aeefc13f14628a7acfb1751bbc9e95980932b4ffc185cde1d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "471a06c32f479aeefc13f14628a7acfb1751bbc9e95980932b4ffc185cde1d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471a06c32f479aeefc13f14628a7acfb1751bbc9e95980932b4ffc185cde1d18", kill_on_drop: false }`
[INFO] [stdout] 471a06c32f479aeefc13f14628a7acfb1751bbc9e95980932b4ffc185cde1d18
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f14da533448d89e42e4a1ea4be2ce7b68d359cd25723ff61162816f397a02954
[INFO] running `Command { std: "docker" "start" "-a" "f14da533448d89e42e4a1ea4be2ce7b68d359cd25723ff61162816f397a02954", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling tai v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pixel` is never read
[INFO] [stdout]   --> src/operations/dither.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 pixel[2] = new_rgb[2];
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.12s
[INFO] running `Command { std: "docker" "inspect" "f14da533448d89e42e4a1ea4be2ce7b68d359cd25723ff61162816f397a02954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14da533448d89e42e4a1ea4be2ce7b68d359cd25723ff61162816f397a02954", kill_on_drop: false }`
[INFO] [stdout] f14da533448d89e42e4a1ea4be2ce7b68d359cd25723ff61162816f397a02954
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 276d01025bb90af80cb4c8608db851609341b60b15d4cb2a262041af5de21155
[INFO] running `Command { std: "docker" "start" "-a" "276d01025bb90af80cb4c8608db851609341b60b15d4cb2a262041af5de21155", kill_on_drop: false }`
[INFO] [stderr]    Compiling tai v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pixel` is never read
[INFO] [stdout]   --> src/operations/dither.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 pixel[2] = new_rgb[2];
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "276d01025bb90af80cb4c8608db851609341b60b15d4cb2a262041af5de21155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276d01025bb90af80cb4c8608db851609341b60b15d4cb2a262041af5de21155", kill_on_drop: false }`
[INFO] [stdout] 276d01025bb90af80cb4c8608db851609341b60b15d4cb2a262041af5de21155
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 966e5e3cf9353540dac2a3e95fca74610afeb89e9d0d5a53fc108e85d359e3d6
[INFO] running `Command { std: "docker" "start" "-a" "966e5e3cf9353540dac2a3e95fca74610afeb89e9d0d5a53fc108e85d359e3d6", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]   --> src/operations/dither.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 pixel[2] = new_rgb[2];
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tai` (bin "tai" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tai-20a387647c0e6cc1)
[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" "966e5e3cf9353540dac2a3e95fca74610afeb89e9d0d5a53fc108e85d359e3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966e5e3cf9353540dac2a3e95fca74610afeb89e9d0d5a53fc108e85d359e3d6", kill_on_drop: false }`
[INFO] [stdout] 966e5e3cf9353540dac2a3e95fca74610afeb89e9d0d5a53fc108e85d359e3d6