[INFO] fetching crate optional-log 0.1.2...
[INFO] testing optional-log-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate optional-log 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate optional-log 0.1.2
[INFO] finished tweaking crates.io crate optional-log 0.1.2
[INFO] tweaked toml for crates.io crate optional-log 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optional-log 0.1.2 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] 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] da5df986baea215ccb960b14ec3c934ecf7366122f8e7b78b255a6a3c4d80841
[INFO] running `Command { std: "docker" "start" "-a" "da5df986baea215ccb960b14ec3c934ecf7366122f8e7b78b255a6a3c4d80841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5df986baea215ccb960b14ec3c934ecf7366122f8e7b78b255a6a3c4d80841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5df986baea215ccb960b14ec3c934ecf7366122f8e7b78b255a6a3c4d80841", kill_on_drop: false }`
[INFO] [stdout] da5df986baea215ccb960b14ec3c934ecf7366122f8e7b78b255a6a3c4d80841
[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] 90cf834836003ee660c9dd493fafd4adf9d9a12d7d83aa5827cfb4283a89e2e8
[INFO] running `Command { std: "docker" "start" "-a" "90cf834836003ee660c9dd493fafd4adf9d9a12d7d83aa5827cfb4283a89e2e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional-log v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "90cf834836003ee660c9dd493fafd4adf9d9a12d7d83aa5827cfb4283a89e2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cf834836003ee660c9dd493fafd4adf9d9a12d7d83aa5827cfb4283a89e2e8", kill_on_drop: false }`
[INFO] [stdout] 90cf834836003ee660c9dd493fafd4adf9d9a12d7d83aa5827cfb4283a89e2e8
[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] 9c608453832adc393f0c87c6977059e7a04ee39c76c75b60a27f21f2f298090b
[INFO] running `Command { std: "docker" "start" "-a" "9c608453832adc393f0c87c6977059e7a04ee39c76c75b60a27f21f2f298090b", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional-log v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "9c608453832adc393f0c87c6977059e7a04ee39c76c75b60a27f21f2f298090b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c608453832adc393f0c87c6977059e7a04ee39c76c75b60a27f21f2f298090b", kill_on_drop: false }`
[INFO] [stdout] 9c608453832adc393f0c87c6977059e7a04ee39c76c75b60a27f21f2f298090b
[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] eb99b95702133eff6d02982aa2d721ef60ede99a92e650eb6f8a47c9fbb8ccca
[INFO] running `Command { std: "docker" "start" "-a" "eb99b95702133eff6d02982aa2d721ef60ede99a92e650eb6f8a47c9fbb8ccca", 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/optional_log-e43c32bc3b6366c7)
[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] [stderr]    Doc-tests optional_log
[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" "eb99b95702133eff6d02982aa2d721ef60ede99a92e650eb6f8a47c9fbb8ccca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb99b95702133eff6d02982aa2d721ef60ede99a92e650eb6f8a47c9fbb8ccca", kill_on_drop: false }`
[INFO] [stdout] eb99b95702133eff6d02982aa2d721ef60ede99a92e650eb6f8a47c9fbb8ccca