[INFO] fetching crate prkcst 0.4.2...
[INFO] testing prkcst-0.4.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate prkcst 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate prkcst 0.4.2
[INFO] finished tweaking crates.io crate prkcst 0.4.2
[INFO] tweaked toml for crates.io crate prkcst 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prkcst 0.4.2 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 prkcst 0.4.2 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] 45b195e3e51f699d0a9b40f68bc29ab5673d9eeb1c2cb4a3405b00bfea95333b
[INFO] running `Command { std: "docker" "start" "-a" "45b195e3e51f699d0a9b40f68bc29ab5673d9eeb1c2cb4a3405b00bfea95333b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b195e3e51f699d0a9b40f68bc29ab5673d9eeb1c2cb4a3405b00bfea95333b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b195e3e51f699d0a9b40f68bc29ab5673d9eeb1c2cb4a3405b00bfea95333b", kill_on_drop: false }`
[INFO] [stdout] 45b195e3e51f699d0a9b40f68bc29ab5673d9eeb1c2cb4a3405b00bfea95333b
[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] 02ae51b39f63499e7bbb950c3a43d344eb2a62f01fe4949f23f5cec578fe5d0f
[INFO] running `Command { std: "docker" "start" "-a" "02ae51b39f63499e7bbb950c3a43d344eb2a62f01fe4949f23f5cec578fe5d0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling prkcst v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `Command { std: "docker" "inspect" "02ae51b39f63499e7bbb950c3a43d344eb2a62f01fe4949f23f5cec578fe5d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ae51b39f63499e7bbb950c3a43d344eb2a62f01fe4949f23f5cec578fe5d0f", kill_on_drop: false }`
[INFO] [stdout] 02ae51b39f63499e7bbb950c3a43d344eb2a62f01fe4949f23f5cec578fe5d0f
[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] 18eb56846a4f30bec754fef3a9034351f4d4ecc7c977cf14465840feca6c8d31
[INFO] running `Command { std: "docker" "start" "-a" "18eb56846a4f30bec754fef3a9034351f4d4ecc7c977cf14465840feca6c8d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling prkcst v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "18eb56846a4f30bec754fef3a9034351f4d4ecc7c977cf14465840feca6c8d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18eb56846a4f30bec754fef3a9034351f4d4ecc7c977cf14465840feca6c8d31", kill_on_drop: false }`
[INFO] [stdout] 18eb56846a4f30bec754fef3a9034351f4d4ecc7c977cf14465840feca6c8d31
[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] 09d56f9c99a900fb594cf75642c2a0871297e1a937f350f057d30708370830eb
[INFO] running `Command { std: "docker" "start" "-a" "09d56f9c99a900fb594cf75642c2a0871297e1a937f350f057d30708370830eb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prkcst-827f7489f1a9becc)
[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" "09d56f9c99a900fb594cf75642c2a0871297e1a937f350f057d30708370830eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d56f9c99a900fb594cf75642c2a0871297e1a937f350f057d30708370830eb", kill_on_drop: false }`
[INFO] [stdout] 09d56f9c99a900fb594cf75642c2a0871297e1a937f350f057d30708370830eb