[INFO] fetching crate mprs 0.4.5...
[INFO] testing mprs-0.4.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mprs 0.4.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mprs 0.4.5
[INFO] finished tweaking crates.io crate mprs 0.4.5
[INFO] tweaked toml for crates.io crate mprs 0.4.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mprs 0.4.5 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 mprs 0.4.5 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af14182a1b02a88f87af7020c97bd90e0803e69466e8a4f751633da30bba3e2e
[INFO] running `Command { std: "docker" "start" "-a" "af14182a1b02a88f87af7020c97bd90e0803e69466e8a4f751633da30bba3e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af14182a1b02a88f87af7020c97bd90e0803e69466e8a4f751633da30bba3e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af14182a1b02a88f87af7020c97bd90e0803e69466e8a4f751633da30bba3e2e", kill_on_drop: false }`
[INFO] [stdout] af14182a1b02a88f87af7020c97bd90e0803e69466e8a4f751633da30bba3e2e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca5b10542da1d2f1a4c9ed01c524acbfed0b6271f40ff375351083e6e41283b
[INFO] running `Command { std: "docker" "start" "-a" "8ca5b10542da1d2f1a4c9ed01c524acbfed0b6271f40ff375351083e6e41283b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling mpd v0.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling clap v4.5.21
[INFO] [stderr]    Compiling mprs v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.76s
[INFO] running `Command { std: "docker" "inspect" "8ca5b10542da1d2f1a4c9ed01c524acbfed0b6271f40ff375351083e6e41283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca5b10542da1d2f1a4c9ed01c524acbfed0b6271f40ff375351083e6e41283b", kill_on_drop: false }`
[INFO] [stdout] 8ca5b10542da1d2f1a4c9ed01c524acbfed0b6271f40ff375351083e6e41283b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4140c0f1fc39124b70fd70567b89fb043fa85db099d447bde41e3e4118ade6ae
[INFO] running `Command { std: "docker" "start" "-a" "4140c0f1fc39124b70fd70567b89fb043fa85db099d447bde41e3e4118ade6ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling mprs v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4140c0f1fc39124b70fd70567b89fb043fa85db099d447bde41e3e4118ade6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4140c0f1fc39124b70fd70567b89fb043fa85db099d447bde41e3e4118ade6ae", kill_on_drop: false }`
[INFO] [stdout] 4140c0f1fc39124b70fd70567b89fb043fa85db099d447bde41e3e4118ade6ae
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7cc5e9a884f1882341881dcae4e3b0fbb853b2738d839c492ae8bf5c7df8d55f
[INFO] running `Command { std: "docker" "start" "-a" "7cc5e9a884f1882341881dcae4e3b0fbb853b2738d839c492ae8bf5c7df8d55f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mprs-5545b27d2fe16196)
[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" "7cc5e9a884f1882341881dcae4e3b0fbb853b2738d839c492ae8bf5c7df8d55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc5e9a884f1882341881dcae4e3b0fbb853b2738d839c492ae8bf5c7df8d55f", kill_on_drop: false }`
[INFO] [stdout] 7cc5e9a884f1882341881dcae4e3b0fbb853b2738d839c492ae8bf5c7df8d55f