[INFO] fetching crate tutorials-chapter2 0.1.0...
[INFO] testing tutorials-chapter2-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tutorials-chapter2 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tutorials-chapter2 0.1.0
[INFO] finished tweaking crates.io crate tutorials-chapter2 0.1.0
[INFO] tweaked toml for crates.io crate tutorials-chapter2 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tutorials-chapter2 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tutorials-chapter2 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57b19914f8464ba92c5ef9f5514fc98755badfe8fee9f2eaaf02cdaa7b31db9f
[INFO] running `Command { std: "docker" "start" "-a" "57b19914f8464ba92c5ef9f5514fc98755badfe8fee9f2eaaf02cdaa7b31db9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57b19914f8464ba92c5ef9f5514fc98755badfe8fee9f2eaaf02cdaa7b31db9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b19914f8464ba92c5ef9f5514fc98755badfe8fee9f2eaaf02cdaa7b31db9f", kill_on_drop: false }`
[INFO] [stdout] 57b19914f8464ba92c5ef9f5514fc98755badfe8fee9f2eaaf02cdaa7b31db9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f94df99d15810d8200fd9b68b550c490d1643dd9875030dc54ad5933155513a2
[INFO] running `Command { std: "docker" "start" "-a" "f94df99d15810d8200fd9b68b550c490d1643dd9875030dc54ad5933155513a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling crypto-rsl v0.1.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling ssh2-rsl v0.1.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling toml-rsl v0.1.0
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling tar-rsl v0.1.1
[INFO] [stderr]    Compiling xml-rsl v0.1.1
[INFO] [stderr]    Compiling tutorials-chapter2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "f94df99d15810d8200fd9b68b550c490d1643dd9875030dc54ad5933155513a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94df99d15810d8200fd9b68b550c490d1643dd9875030dc54ad5933155513a2", kill_on_drop: false }`
[INFO] [stdout] f94df99d15810d8200fd9b68b550c490d1643dd9875030dc54ad5933155513a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc710532e01fb164dbd2dd9dce48214fb7125c6ee2790ded429c86494e4409d
[INFO] running `Command { std: "docker" "start" "-a" "2cc710532e01fb164dbd2dd9dce48214fb7125c6ee2790ded429c86494e4409d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutorials-chapter2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "2cc710532e01fb164dbd2dd9dce48214fb7125c6ee2790ded429c86494e4409d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc710532e01fb164dbd2dd9dce48214fb7125c6ee2790ded429c86494e4409d", kill_on_drop: false }`
[INFO] [stdout] 2cc710532e01fb164dbd2dd9dce48214fb7125c6ee2790ded429c86494e4409d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c40fc04d065c412cf4da73392d38c36930c2d9c603246cf2e588afc4f5f3be5c
[INFO] running `Command { std: "docker" "start" "-a" "c40fc04d065c412cf4da73392d38c36930c2d9c603246cf2e588afc4f5f3be5c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tutorials_chapter2-b32f2b375251f5e2)
[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" "c40fc04d065c412cf4da73392d38c36930c2d9c603246cf2e588afc4f5f3be5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40fc04d065c412cf4da73392d38c36930c2d9c603246cf2e588afc4f5f3be5c", kill_on_drop: false }`
[INFO] [stdout] c40fc04d065c412cf4da73392d38c36930c2d9c603246cf2e588afc4f5f3be5c