[INFO] fetching crate mpgen 0.1.2...
[INFO] testing mpgen-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mpgen 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mpgen 0.1.2
[INFO] finished tweaking crates.io crate mpgen 0.1.2
[INFO] tweaked toml for crates.io crate mpgen 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpgen 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] crate crates.io crate mpgen 0.1.2 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e91000620c58375cf33048bfd58979da4ac8835f153be521c78f72969e36f52a
[INFO] running `Command { std: "docker" "start" "-a" "e91000620c58375cf33048bfd58979da4ac8835f153be521c78f72969e36f52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91000620c58375cf33048bfd58979da4ac8835f153be521c78f72969e36f52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91000620c58375cf33048bfd58979da4ac8835f153be521c78f72969e36f52a", kill_on_drop: false }`
[INFO] [stdout] e91000620c58375cf33048bfd58979da4ac8835f153be521c78f72969e36f52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dcb2a67f49abf291b9e489472865c1f19631b9d802196afd3d81d90a6ce29bdf
[INFO] running `Command { std: "docker" "start" "-a" "dcb2a67f49abf291b9e489472865c1f19631b9d802196afd3d81d90a6ce29bdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling clap_builder v4.3.19
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling clap v4.3.19
[INFO] [stderr]    Compiling mpgen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.81s
[INFO] running `Command { std: "docker" "inspect" "dcb2a67f49abf291b9e489472865c1f19631b9d802196afd3d81d90a6ce29bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb2a67f49abf291b9e489472865c1f19631b9d802196afd3d81d90a6ce29bdf", kill_on_drop: false }`
[INFO] [stdout] dcb2a67f49abf291b9e489472865c1f19631b9d802196afd3d81d90a6ce29bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8b08b6dd752831fd9e61e0c8f7a963500cfbb603061a5bfc5d528b1f653cb335
[INFO] running `Command { std: "docker" "start" "-a" "8b08b6dd752831fd9e61e0c8f7a963500cfbb603061a5bfc5d528b1f653cb335", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpgen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8b08b6dd752831fd9e61e0c8f7a963500cfbb603061a5bfc5d528b1f653cb335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b08b6dd752831fd9e61e0c8f7a963500cfbb603061a5bfc5d528b1f653cb335", kill_on_drop: false }`
[INFO] [stdout] 8b08b6dd752831fd9e61e0c8f7a963500cfbb603061a5bfc5d528b1f653cb335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fb15b8b0daf5f2acd3378f07eeeea96429f0411bc1c72d9e6a2a56709f9dc58b
[INFO] running `Command { std: "docker" "start" "-a" "fb15b8b0daf5f2acd3378f07eeeea96429f0411bc1c72d9e6a2a56709f9dc58b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mpgen-05a46659b922c94b)
[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" "fb15b8b0daf5f2acd3378f07eeeea96429f0411bc1c72d9e6a2a56709f9dc58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb15b8b0daf5f2acd3378f07eeeea96429f0411bc1c72d9e6a2a56709f9dc58b", kill_on_drop: false }`
[INFO] [stdout] fb15b8b0daf5f2acd3378f07eeeea96429f0411bc1c72d9e6a2a56709f9dc58b