[INFO] fetching crate kindle_formats 0.1.3...
[INFO] testing kindle_formats-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kindle_formats 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kindle_formats 0.1.3
[INFO] finished tweaking crates.io crate kindle_formats 0.1.3
[INFO] tweaked toml for crates.io crate kindle_formats 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kindle_formats 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ef1280c4978ac570222948b0925790c88f96cf5605537ebfaa8a3578d08b48c
[INFO] running `Command { std: "docker" "start" "-a" "3ef1280c4978ac570222948b0925790c88f96cf5605537ebfaa8a3578d08b48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ef1280c4978ac570222948b0925790c88f96cf5605537ebfaa8a3578d08b48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef1280c4978ac570222948b0925790c88f96cf5605537ebfaa8a3578d08b48c", kill_on_drop: false }`
[INFO] [stdout] 3ef1280c4978ac570222948b0925790c88f96cf5605537ebfaa8a3578d08b48c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf071affcde1d670f0ecab48e01be87ba7696fad8dc30d7adc95571f6ef01ca
[INFO] running `Command { std: "docker" "start" "-a" "dcf071affcde1d670f0ecab48e01be87ba7696fad8dc30d7adc95571f6ef01ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling kindle_formats v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "dcf071affcde1d670f0ecab48e01be87ba7696fad8dc30d7adc95571f6ef01ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf071affcde1d670f0ecab48e01be87ba7696fad8dc30d7adc95571f6ef01ca", kill_on_drop: false }`
[INFO] [stdout] dcf071affcde1d670f0ecab48e01be87ba7696fad8dc30d7adc95571f6ef01ca
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7ebd60750ec95cac3a3f9cb29c1b7463c9d1236ffd1da8eca89bb5544c7ce8e
[INFO] running `Command { std: "docker" "start" "-a" "e7ebd60750ec95cac3a3f9cb29c1b7463c9d1236ffd1da8eca89bb5544c7ce8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kindle_formats v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "e7ebd60750ec95cac3a3f9cb29c1b7463c9d1236ffd1da8eca89bb5544c7ce8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ebd60750ec95cac3a3f9cb29c1b7463c9d1236ffd1da8eca89bb5544c7ce8e", kill_on_drop: false }`
[INFO] [stdout] e7ebd60750ec95cac3a3f9cb29c1b7463c9d1236ffd1da8eca89bb5544c7ce8e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c8845391fb18c5629717911e2ed678ecd8291316494d1cc07ee7e243480f1a3
[INFO] running `Command { std: "docker" "start" "-a" "8c8845391fb18c5629717911e2ed678ecd8291316494d1cc07ee7e243480f1a3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kindle_formats-499e536c1675593a)
[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] [stderr]    Doc-tests kindle_formats
[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" "8c8845391fb18c5629717911e2ed678ecd8291316494d1cc07ee7e243480f1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8845391fb18c5629717911e2ed678ecd8291316494d1cc07ee7e243480f1a3", kill_on_drop: false }`
[INFO] [stdout] 8c8845391fb18c5629717911e2ed678ecd8291316494d1cc07ee7e243480f1a3