[INFO] fetching crate imagezero 0.0.1...
[INFO] testing imagezero-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate imagezero 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate imagezero 0.0.1
[INFO] finished tweaking crates.io crate imagezero 0.0.1
[INFO] tweaked toml for crates.io crate imagezero 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate imagezero 0.0.1 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] crate crates.io crate imagezero 0.0.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c3715a3ad1d9a7e24a70ec6c9f4b87ef3fe6872dee2d292343e8e4329e3a6494
[INFO] running `Command { std: "docker" "start" "-a" "c3715a3ad1d9a7e24a70ec6c9f4b87ef3fe6872dee2d292343e8e4329e3a6494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3715a3ad1d9a7e24a70ec6c9f4b87ef3fe6872dee2d292343e8e4329e3a6494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3715a3ad1d9a7e24a70ec6c9f4b87ef3fe6872dee2d292343e8e4329e3a6494", kill_on_drop: false }`
[INFO] [stdout] c3715a3ad1d9a7e24a70ec6c9f4b87ef3fe6872dee2d292343e8e4329e3a6494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1588a27c48e97efdbf27f4e075ce941c880d2d0aad5457a6b40fbec7ad3aeda6
[INFO] running `Command { std: "docker" "start" "-a" "1588a27c48e97efdbf27f4e075ce941c880d2d0aad5457a6b40fbec7ad3aeda6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling simd-adler32 v0.3.4
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling zune-inflate v0.2.50
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling clap_lex v0.3.1
[INFO] [stderr]    Compiling bytemuck v1.13.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling spin v0.9.5
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling is-terminal v0.4.3
[INFO] [stderr]    Compiling clap v4.1.6
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.5.3
[INFO] [stderr]    Compiling image v0.24.5
[INFO] [stderr]    Compiling imagezero v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.05s
[INFO] running `Command { std: "docker" "inspect" "1588a27c48e97efdbf27f4e075ce941c880d2d0aad5457a6b40fbec7ad3aeda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1588a27c48e97efdbf27f4e075ce941c880d2d0aad5457a6b40fbec7ad3aeda6", kill_on_drop: false }`
[INFO] [stdout] 1588a27c48e97efdbf27f4e075ce941c880d2d0aad5457a6b40fbec7ad3aeda6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d1bd789d37d6c4b0636304f4bc1e418334bc06927bdc349a788f1269b9b4c83d
[INFO] running `Command { std: "docker" "start" "-a" "d1bd789d37d6c4b0636304f4bc1e418334bc06927bdc349a788f1269b9b4c83d", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagezero v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d1bd789d37d6c4b0636304f4bc1e418334bc06927bdc349a788f1269b9b4c83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bd789d37d6c4b0636304f4bc1e418334bc06927bdc349a788f1269b9b4c83d", kill_on_drop: false }`
[INFO] [stdout] d1bd789d37d6c4b0636304f4bc1e418334bc06927bdc349a788f1269b9b4c83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f427f32759e6536f8c4960f151521cf79b4b440fd835ae03540a9f6364684826
[INFO] running `Command { std: "docker" "start" "-a" "f427f32759e6536f8c4960f151521cf79b4b440fd835ae03540a9f6364684826", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/imagezero-1872b761b7d07c3c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/iz-rs.rs (/opt/rustwide/target/debug/deps/iz_rs-c05fc1d9f003b0bb)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imagezero
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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" "f427f32759e6536f8c4960f151521cf79b4b440fd835ae03540a9f6364684826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f427f32759e6536f8c4960f151521cf79b4b440fd835ae03540a9f6364684826", kill_on_drop: false }`
[INFO] [stdout] f427f32759e6536f8c4960f151521cf79b4b440fd835ae03540a9f6364684826