[INFO] fetching crate liber 0.1.0...
[INFO] testing liber-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate liber 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate liber 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate liber 0.1.0
[INFO] tweaked toml for crates.io crate liber 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate liber 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 liber 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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b024a2bbb8cf1a8f038118a1ea576db9b337fe486f3008adb6c0152ca9a3f638
[INFO] running `Command { std: "docker" "start" "-a" "b024a2bbb8cf1a8f038118a1ea576db9b337fe486f3008adb6c0152ca9a3f638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b024a2bbb8cf1a8f038118a1ea576db9b337fe486f3008adb6c0152ca9a3f638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b024a2bbb8cf1a8f038118a1ea576db9b337fe486f3008adb6c0152ca9a3f638", kill_on_drop: false }`
[INFO] [stdout] b024a2bbb8cf1a8f038118a1ea576db9b337fe486f3008adb6c0152ca9a3f638
[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=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] f3d4c8365bec78f49a7cd69e4b0354ae999d5f5293f98bb111fe4eeca092aa70
[INFO] running `Command { std: "docker" "start" "-a" "f3d4c8365bec78f49a7cd69e4b0354ae999d5f5293f98bb111fe4eeca092aa70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zlib-rs v0.5.2
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling libbz2-rs-sys v0.2.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling deflate64 v0.1.9
[INFO] [stderr]    Compiling ppmd-rust v1.2.1
[INFO] [stderr]    Compiling quick-xml v0.38.3
[INFO] [stderr]    Compiling zopfli v0.8.2
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling bzip2 v0.6.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling lzma-rust2 v0.13.0
[INFO] [stderr]    Compiling cc v1.2.38
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling libz-rs-sys v0.5.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling zip v5.1.1
[INFO] [stderr]    Compiling liber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.19s
[INFO] running `Command { std: "docker" "inspect" "f3d4c8365bec78f49a7cd69e4b0354ae999d5f5293f98bb111fe4eeca092aa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d4c8365bec78f49a7cd69e4b0354ae999d5f5293f98bb111fe4eeca092aa70", kill_on_drop: false }`
[INFO] [stdout] f3d4c8365bec78f49a7cd69e4b0354ae999d5f5293f98bb111fe4eeca092aa70
[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=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] c745e7bd39b9242c90434ac2d90f008b08b1c6ba4674bb3d450e45a0eaf0f41f
[INFO] running `Command { std: "docker" "start" "-a" "c745e7bd39b9242c90434ac2d90f008b08b1c6ba4674bb3d450e45a0eaf0f41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling liber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "c745e7bd39b9242c90434ac2d90f008b08b1c6ba4674bb3d450e45a0eaf0f41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c745e7bd39b9242c90434ac2d90f008b08b1c6ba4674bb3d450e45a0eaf0f41f", kill_on_drop: false }`
[INFO] [stdout] c745e7bd39b9242c90434ac2d90f008b08b1c6ba4674bb3d450e45a0eaf0f41f
[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=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] 267142efaf2a07f28c0e180c7a65485b23963617f3774dc2d41cdd12a6f9a708
[INFO] running `Command { std: "docker" "start" "-a" "267142efaf2a07f28c0e180c7a65485b23963617f3774dc2d41cdd12a6f9a708", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liber-d0d4b910ab62ef3a)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test epub::content::tests::test_content_builder_add_content_references ... ok
[INFO] [stdout] test epub::content::tests::test_content_level_no_subcontents ... ok
[INFO] [stdout] test epub::content::tests::test_content_level_one_deep ... ok
[INFO] [stdout] test epub::content::tests::test_content_file_content_no_subcontents ... ok
[INFO] [stdout] test epub::content::tests::test_content_xhtml_no_stylesheet ... ok
[INFO] [stdout] test epub::content::tests::test_content_file_content_with_subcontents ... ok
[INFO] [stdout] test epub::content::tests::test_content_level_two_deep ... ok
[INFO] [stdout] test epub::content::tests::test_content_builder_add_child ... ok
[INFO] [stdout] test epub::content::tests::test_level_reference_content_mixed_max_from_subcontents ... ok
[INFO] [stdout] test epub::content::tests::test_level_reference_content_only_content_references ... ok
[INFO] [stdout] test epub::content::tests::test_level_reference_content_only_subcontents ... ok
[INFO] [stdout] test epub::content::tests::test_content_builder_add_content_reference ... ok
[INFO] [stdout] test epub::content::tests::test_content_builder_add_children ... ok
[INFO] [stdout] test epub::content_reference::tests::test_add_subcontent_reference_initial ... ok
[INFO] [stdout] test epub::content_reference::tests::test_add_subcontent_reference_multiple ... ok
[INFO] [stdout] test epub::content_reference::tests::test_level_mixed_depth_only_first_matters ... ok
[INFO] [stdout] test epub::content_reference::tests::test_level_no_subcontent ... ok
[INFO] [stdout] test epub::content_reference::tests::test_level_sibling_doesnt_change_depth ... ok
[INFO] [stdout] test epub::epub_builder::tests::test_epub_builder_new ... ok
[INFO] [stdout] PK
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "267142efaf2a07f28c0e180c7a65485b23963617f3774dc2d41cdd12a6f9a708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267142efaf2a07f28c0e180c7a65485b23963617f3774dc2d41cdd12a6f9a708", kill_on_drop: false }`
[INFO] [stdout] 267142efaf2a07f28c0e180c7a65485b23963617f3774dc2d41cdd12a6f9a708
