[INFO] fetching crate pngmeta 0.1.4...
[INFO] testing pngmeta-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pngmeta 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pngmeta 0.1.4
[INFO] finished tweaking crates.io crate pngmeta 0.1.4
[INFO] tweaked toml for crates.io crate pngmeta 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngmeta 0.1.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pngmeta 0.1.4 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c3ef38bfb428948b8b4250ccdcf0deef6cad44f45f6d1420817eb0a5ae0ea0
[INFO] running `Command { std: "docker" "start" "-a" "99c3ef38bfb428948b8b4250ccdcf0deef6cad44f45f6d1420817eb0a5ae0ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c3ef38bfb428948b8b4250ccdcf0deef6cad44f45f6d1420817eb0a5ae0ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c3ef38bfb428948b8b4250ccdcf0deef6cad44f45f6d1420817eb0a5ae0ea0", kill_on_drop: false }`
[INFO] [stdout] 99c3ef38bfb428948b8b4250ccdcf0deef6cad44f45f6d1420817eb0a5ae0ea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 014f7df24976af9e00b5146fca8d69e9d97c32ef719a980b0058111abb00b0ea
[INFO] running `Command { std: "docker" "start" "-a" "014f7df24976af9e00b5146fca8d69e9d97c32ef719a980b0058111abb00b0ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngmeta v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "014f7df24976af9e00b5146fca8d69e9d97c32ef719a980b0058111abb00b0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014f7df24976af9e00b5146fca8d69e9d97c32ef719a980b0058111abb00b0ea", kill_on_drop: false }`
[INFO] [stdout] 014f7df24976af9e00b5146fca8d69e9d97c32ef719a980b0058111abb00b0ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea3eedaa2313c2be80fa1853e2bf34a55843a4bc0042aa68bd721375bea6956
[INFO] running `Command { std: "docker" "start" "-a" "aea3eedaa2313c2be80fa1853e2bf34a55843a4bc0042aa68bd721375bea6956", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling clap_builder v4.5.60
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling pngmeta v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.01s
[INFO] running `Command { std: "docker" "inspect" "aea3eedaa2313c2be80fa1853e2bf34a55843a4bc0042aa68bd721375bea6956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea3eedaa2313c2be80fa1853e2bf34a55843a4bc0042aa68bd721375bea6956", kill_on_drop: false }`
[INFO] [stdout] aea3eedaa2313c2be80fa1853e2bf34a55843a4bc0042aa68bd721375bea6956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2121928005dbea408bc52ecf49115467216ae6e0d5f259cfafa8833044537f7c
[INFO] running `Command { std: "docker" "start" "-a" "2121928005dbea408bc52ecf49115467216ae6e0d5f259cfafa8833044537f7c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pngmeta-ce20136ae2cad39e)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test read::tests::contains_finds_in_keyword ... ok
[INFO] [stdout] test read::tests::contains_finds_in_text_value ... ok
[INFO] [stdout] test read::tests::contains_early_exits_on_first_match ... ok
[INFO] [stdout] test read::tests::contains_returns_false_for_empty_png ... ok
[INFO] [stdout] test read::tests::contains_returns_false_when_absent ... ok
[INFO] [stdout] test read::tests::extracts_multiple_text_chunks ... ok
[INFO] [stdout] test read::tests::extracts_single_text_chunk ... ok
[INFO] [stdout] test read::tests::rejects_missing_file ... ok
[INFO] [stdout] test read::tests::returns_empty_for_png_without_text ... ok
[INFO] [stdout] test read::tests::scan_returns_true_on_predicate_match ... ok
[INFO] [stdout] test read::tests::scan_rejects_non_png ... ok
[INFO] [stdout] test read::tests::scan_returns_false_when_no_match ... ok
[INFO] [stdout] test write::tests::crc32_known_value ... ok
[INFO] [stdout] test read::tests::scan_early_exits ... ok
[INFO] [stdout] test read::tests::keys_are_sorted ... ok
[INFO] [stdout] test read::tests::contains_rejects_non_png ... ok
[INFO] [stdout] test write::tests::write_rejects_non_png ... ok
[INFO] [stdout] test write::tests::write_preserves_existing_chunks ... ok
[INFO] [stdout] test write::tests::write_multiple_chunks_sequentially ... ok
[INFO] [stdout] test write::tests::write_to_empty_png ... ok
[INFO] [stdout] test read::tests::rejects_non_png ... ok
[INFO] [stderr]    Doc-tests pngmeta
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "2121928005dbea408bc52ecf49115467216ae6e0d5f259cfafa8833044537f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2121928005dbea408bc52ecf49115467216ae6e0d5f259cfafa8833044537f7c", kill_on_drop: false }`
[INFO] [stdout] 2121928005dbea408bc52ecf49115467216ae6e0d5f259cfafa8833044537f7c
