[INFO] fetching crate rust-book-2023 0.1.1...
[INFO] testing rust-book-2023-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust-book-2023 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rust-book-2023 0.1.1
[INFO] finished tweaking crates.io crate rust-book-2023 0.1.1
[INFO] tweaked toml for crates.io crate rust-book-2023 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-book-2023 0.1.1 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] crate crates.io crate rust-book-2023 0.1.1 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-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d5d41dfdba05695464440cd13014978097e1a165468f7dcf8915b412d800bca2
[INFO] running `Command { std: "docker" "start" "-a" "d5d41dfdba05695464440cd13014978097e1a165468f7dcf8915b412d800bca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d41dfdba05695464440cd13014978097e1a165468f7dcf8915b412d800bca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d41dfdba05695464440cd13014978097e1a165468f7dcf8915b412d800bca2", kill_on_drop: false }`
[INFO] [stdout] d5d41dfdba05695464440cd13014978097e1a165468f7dcf8915b412d800bca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f42b4d05c3cd3a22703fd461509f36c5f7227062c80f39fbc3aa117389918209
[INFO] running `Command { std: "docker" "start" "-a" "f42b4d05c3cd3a22703fd461509f36c5f7227062c80f39fbc3aa117389918209", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-book-2023 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f42b4d05c3cd3a22703fd461509f36c5f7227062c80f39fbc3aa117389918209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42b4d05c3cd3a22703fd461509f36c5f7227062c80f39fbc3aa117389918209", kill_on_drop: false }`
[INFO] [stdout] f42b4d05c3cd3a22703fd461509f36c5f7227062c80f39fbc3aa117389918209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] de94053195645aa88f072c98c9969b6b571e3e59612070e0ba77c256957d7e0b
[INFO] running `Command { std: "docker" "start" "-a" "de94053195645aa88f072c98c9969b6b571e3e59612070e0ba77c256957d7e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-book-2023 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "de94053195645aa88f072c98c9969b6b571e3e59612070e0ba77c256957d7e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de94053195645aa88f072c98c9969b6b571e3e59612070e0ba77c256957d7e0b", kill_on_drop: false }`
[INFO] [stdout] de94053195645aa88f072c98c9969b6b571e3e59612070e0ba77c256957d7e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 823ebddbc71dab1db02f9a421088e54558a4cab353c4c722daebb0c406130314
[INFO] running `Command { std: "docker" "start" "-a" "823ebddbc71dab1db02f9a421088e54558a4cab353c4c722daebb0c406130314", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_book_2023-e1bf588b28ac8999)
[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" "823ebddbc71dab1db02f9a421088e54558a4cab353c4c722daebb0c406130314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823ebddbc71dab1db02f9a421088e54558a4cab353c4c722daebb0c406130314", kill_on_drop: false }`
[INFO] [stdout] 823ebddbc71dab1db02f9a421088e54558a4cab353c4c722daebb0c406130314