[INFO] fetching crate tutorials-chapter2 0.1.0...
[INFO] testing tutorials-chapter2-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tutorials-chapter2 0.1.0 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tutorials-chapter2 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 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-2025-09-21" "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] 4a036852239227e9cace3bf499e1bfce39d505eaf29a89159523cfc843eca000
[INFO] running `Command { std: "docker" "start" "-a" "4a036852239227e9cace3bf499e1bfce39d505eaf29a89159523cfc843eca000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a036852239227e9cace3bf499e1bfce39d505eaf29a89159523cfc843eca000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a036852239227e9cace3bf499e1bfce39d505eaf29a89159523cfc843eca000", kill_on_drop: false }`
[INFO] [stdout] 4a036852239227e9cace3bf499e1bfce39d505eaf29a89159523cfc843eca000
[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] ddcba8d8b37613c468b8bc22b765c7ca70eae3ee29763b4b6b98c5050dd979f4
[INFO] running `Command { std: "docker" "start" "-a" "ddcba8d8b37613c468b8bc22b765c7ca70eae3ee29763b4b6b98c5050dd979f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling gcc v0.3.55
[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 libz-sys v1.1.15
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling ssh2-rsl v0.1.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling tar-rsl v0.1.1
[INFO] [stderr]    Compiling toml-rsl v0.1.0
[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 14.27s
[INFO] running `Command { std: "docker" "inspect" "ddcba8d8b37613c468b8bc22b765c7ca70eae3ee29763b4b6b98c5050dd979f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddcba8d8b37613c468b8bc22b765c7ca70eae3ee29763b4b6b98c5050dd979f4", kill_on_drop: false }`
[INFO] [stdout] ddcba8d8b37613c468b8bc22b765c7ca70eae3ee29763b4b6b98c5050dd979f4
[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] 6620733f21b0828a82f8ff2261387b274ea53fd1859c3b15918e9935e104d259
[INFO] running `Command { std: "docker" "start" "-a" "6620733f21b0828a82f8ff2261387b274ea53fd1859c3b15918e9935e104d259", 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 0.45s
[INFO] running `Command { std: "docker" "inspect" "6620733f21b0828a82f8ff2261387b274ea53fd1859c3b15918e9935e104d259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6620733f21b0828a82f8ff2261387b274ea53fd1859c3b15918e9935e104d259", kill_on_drop: false }`
[INFO] [stdout] 6620733f21b0828a82f8ff2261387b274ea53fd1859c3b15918e9935e104d259
[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] 888c21c86c9dc6ae5b8b21ba5214ee057bff21d589cdd360cba8687d937512cf
[INFO] running `Command { std: "docker" "start" "-a" "888c21c86c9dc6ae5b8b21ba5214ee057bff21d589cdd360cba8687d937512cf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[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" "888c21c86c9dc6ae5b8b21ba5214ee057bff21d589cdd360cba8687d937512cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888c21c86c9dc6ae5b8b21ba5214ee057bff21d589cdd360cba8687d937512cf", kill_on_drop: false }`
[INFO] [stdout] 888c21c86c9dc6ae5b8b21ba5214ee057bff21d589cdd360cba8687d937512cf