[INFO] fetching crate imagehead 0.1.0...
[INFO] testing imagehead-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate imagehead 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate imagehead 0.1.0
[INFO] finished tweaking crates.io crate imagehead 0.1.0
[INFO] tweaked toml for crates.io crate imagehead 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate imagehead 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate imagehead 0.1.0 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b7bcdeb0ebed8f272a81a693b2d970ac5b341a2e21ddaab8cb73e57e152d43
[INFO] running `Command { std: "docker" "start" "-a" "a5b7bcdeb0ebed8f272a81a693b2d970ac5b341a2e21ddaab8cb73e57e152d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b7bcdeb0ebed8f272a81a693b2d970ac5b341a2e21ddaab8cb73e57e152d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b7bcdeb0ebed8f272a81a693b2d970ac5b341a2e21ddaab8cb73e57e152d43", kill_on_drop: false }`
[INFO] [stdout] a5b7bcdeb0ebed8f272a81a693b2d970ac5b341a2e21ddaab8cb73e57e152d43
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd00e8f85f78b3d326f968814a75a2ecab78166496e457abbdd22a45ae802617
[INFO] running `Command { std: "docker" "start" "-a" "fd00e8f85f78b3d326f968814a75a2ecab78166496e457abbdd22a45ae802617", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling imagehead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "fd00e8f85f78b3d326f968814a75a2ecab78166496e457abbdd22a45ae802617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd00e8f85f78b3d326f968814a75a2ecab78166496e457abbdd22a45ae802617", kill_on_drop: false }`
[INFO] [stdout] fd00e8f85f78b3d326f968814a75a2ecab78166496e457abbdd22a45ae802617
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc900d56c32f67c92e4feea4ac91773f8802a159c8581a824cac58bcfe25fca
[INFO] running `Command { std: "docker" "start" "-a" "6bc900d56c32f67c92e4feea4ac91773f8802a159c8581a824cac58bcfe25fca", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagehead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "6bc900d56c32f67c92e4feea4ac91773f8802a159c8581a824cac58bcfe25fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc900d56c32f67c92e4feea4ac91773f8802a159c8581a824cac58bcfe25fca", kill_on_drop: false }`
[INFO] [stdout] 6bc900d56c32f67c92e4feea4ac91773f8802a159c8581a824cac58bcfe25fca
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a67931201a1870508c0739e4dbfc1072c29c78884631fd3e159c285ace36df9c
[INFO] running `Command { std: "docker" "start" "-a" "a67931201a1870508c0739e4dbfc1072c29c78884631fd3e159c285ace36df9c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/imagehead-1e3287ff8563562d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/info.rs (/opt/rustwide/target/debug/deps/info-6f8526407588cae2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests imagehead
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ImageMeta::from_bytes (line 43) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ImageMeta::from_bytes (line 43) stdout ----
[INFO] [stdout] error: `match` arm body without braces
[INFO] [stdout]   --> src/lib.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |     None => panic!("Unknown image format!");
[INFO] [stdout]    |          -- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this statement is not surrounded by a body
[INFO] [stdout]    |          |
[INFO] [stdout]    |          while parsing the `match` arm starting here
[INFO] [stdout]    |
[INFO] [stdout] help: replace `;` with `,` to end a `match` arm expression
[INFO] [stdout]    |
[INFO] [stdout] 46 -     None => panic!("Unknown image format!");
[INFO] [stdout] 46 +     None => panic!("Unknown image format!"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ImageMeta`
[INFO] [stdout]   --> src/lib.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 | let info = match ImageMeta::from_bytes(&png_image) {
[INFO] [stdout]    |                  ^^^^^^^^^ use of undeclared type `ImageMeta`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 43 + use imagehead::ImageMeta;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `png_image` in this scope
[INFO] [stdout]   --> src/lib.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 | let info = match ImageMeta::from_bytes(&png_image) {
[INFO] [stdout]    |                                         ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ImageMeta`
[INFO] [stdout]   --> src/lib.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | assert_eq!(ImageMeta::Png, info.kind);
[INFO] [stdout]    |            ^^^^^^^^^ use of undeclared type `ImageMeta`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 43 + use imagehead::ImageMeta;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ImageMeta::from_bytes (line 43)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a67931201a1870508c0739e4dbfc1072c29c78884631fd3e159c285ace36df9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67931201a1870508c0739e4dbfc1072c29c78884631fd3e159c285ace36df9c", kill_on_drop: false }`
[INFO] [stdout] a67931201a1870508c0739e4dbfc1072c29c78884631fd3e159c285ace36df9c
