[INFO] fetching crate rustbook-learning-guide 0.1.0...
[INFO] testing rustbook-learning-guide-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rustbook-learning-guide 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rustbook-learning-guide 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustbook-learning-guide 0.1.0
[INFO] tweaked toml for crates.io crate rustbook-learning-guide 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustbook-learning-guide 0.1.0 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 rustbook-learning-guide 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-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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ccd24105b32bb9aae2ea0816da647090b02f6bd6ae13a6b094e96c801aee924
[INFO] running `Command { std: "docker" "start" "-a" "7ccd24105b32bb9aae2ea0816da647090b02f6bd6ae13a6b094e96c801aee924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ccd24105b32bb9aae2ea0816da647090b02f6bd6ae13a6b094e96c801aee924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ccd24105b32bb9aae2ea0816da647090b02f6bd6ae13a6b094e96c801aee924", kill_on_drop: false }`
[INFO] [stdout] 7ccd24105b32bb9aae2ea0816da647090b02f6bd6ae13a6b094e96c801aee924
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d1e0eed93987eacfad74e2564af77d9e58651cb74a31f0923f803950f1f9b0f
[INFO] running `Command { std: "docker" "start" "-a" "8d1e0eed93987eacfad74e2564af77d9e58651cb74a31f0923f803950f1f9b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbook-learning-guide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "8d1e0eed93987eacfad74e2564af77d9e58651cb74a31f0923f803950f1f9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1e0eed93987eacfad74e2564af77d9e58651cb74a31f0923f803950f1f9b0f", kill_on_drop: false }`
[INFO] [stdout] 8d1e0eed93987eacfad74e2564af77d9e58651cb74a31f0923f803950f1f9b0f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90dafe56f961566acc97878b8ebe9836612d6578fa8525f51365ebbe5b7b4932
[INFO] running `Command { std: "docker" "start" "-a" "90dafe56f961566acc97878b8ebe9836612d6578fa8525f51365ebbe5b7b4932", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbook-learning-guide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "90dafe56f961566acc97878b8ebe9836612d6578fa8525f51365ebbe5b7b4932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dafe56f961566acc97878b8ebe9836612d6578fa8525f51365ebbe5b7b4932", kill_on_drop: false }`
[INFO] [stdout] 90dafe56f961566acc97878b8ebe9836612d6578fa8525f51365ebbe5b7b4932
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5b834fc48e7a32f2005c5517f906cf54703d77c55bddc0a2feebdcc87dff3cd
[INFO] running `Command { std: "docker" "start" "-a" "e5b834fc48e7a32f2005c5517f906cf54703d77c55bddc0a2feebdcc87dff3cd", 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/rustbook_learning_guide-4742f05f8bc1cd9e)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustbook_learning_guide-0c0ad50e9292e054)
[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] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-aee10d74b47857ea)
[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 4 tests
[INFO] [stdout] test test_greet_function ... ok
[INFO] [stdout] test test_smart_pointers ... ok
[INFO] [stdout] test test_iterator_functionality ... ok
[INFO] [stdout] test test_traits_and_generics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustbook_learning_guide
[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" "e5b834fc48e7a32f2005c5517f906cf54703d77c55bddc0a2feebdcc87dff3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b834fc48e7a32f2005c5517f906cf54703d77c55bddc0a2feebdcc87dff3cd", kill_on_drop: false }`
[INFO] [stdout] e5b834fc48e7a32f2005c5517f906cf54703d77c55bddc0a2feebdcc87dff3cd