[INFO] fetching crate matux 0.1.0...
[INFO] testing matux-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate matux 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate matux 0.1.0
[INFO] finished tweaking crates.io crate matux 0.1.0
[INFO] tweaked toml for crates.io crate matux 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matux 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2d0680fa5306e0c9446955cefefe38a2e577b6169ad684e067a1a9f08d03e6d3
[INFO] running `Command { std: "docker" "start" "-a" "2d0680fa5306e0c9446955cefefe38a2e577b6169ad684e067a1a9f08d03e6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0680fa5306e0c9446955cefefe38a2e577b6169ad684e067a1a9f08d03e6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0680fa5306e0c9446955cefefe38a2e577b6169ad684e067a1a9f08d03e6d3", kill_on_drop: false }`
[INFO] [stdout] 2d0680fa5306e0c9446955cefefe38a2e577b6169ad684e067a1a9f08d03e6d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 467063541f7097b12412447bf65c36d0e9bde6d5733a1a2d7a0ad5a242da7609
[INFO] running `Command { std: "docker" "start" "-a" "467063541f7097b12412447bf65c36d0e9bde6d5733a1a2d7a0ad5a242da7609", kill_on_drop: false }`
[INFO] [stderr]    Compiling matux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "467063541f7097b12412447bf65c36d0e9bde6d5733a1a2d7a0ad5a242da7609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467063541f7097b12412447bf65c36d0e9bde6d5733a1a2d7a0ad5a242da7609", kill_on_drop: false }`
[INFO] [stdout] 467063541f7097b12412447bf65c36d0e9bde6d5733a1a2d7a0ad5a242da7609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 003f30018a41146f08edc95aae8aad2244750d56a98aa9f6d36107ca6a3c3e05
[INFO] running `Command { std: "docker" "start" "-a" "003f30018a41146f08edc95aae8aad2244750d56a98aa9f6d36107ca6a3c3e05", kill_on_drop: false }`
[INFO] [stderr]    Compiling matux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "003f30018a41146f08edc95aae8aad2244750d56a98aa9f6d36107ca6a3c3e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003f30018a41146f08edc95aae8aad2244750d56a98aa9f6d36107ca6a3c3e05", kill_on_drop: false }`
[INFO] [stdout] 003f30018a41146f08edc95aae8aad2244750d56a98aa9f6d36107ca6a3c3e05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2d5a3f8bf734f8229063f917dd9545e8aaca48398590ebdc58a82bd982739141
[INFO] running `Command { std: "docker" "start" "-a" "2d5a3f8bf734f8229063f917dd9545e8aaca48398590ebdc58a82bd982739141", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matux-c4550c0cc8c50504)
[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] [stderr]    Doc-tests matux
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - expect (line 56) ... ok
[INFO] [stdout] test src/lib.rs - unwrap (line 30) ... ok
[INFO] [stdout] test src/lib.rs - expect (line 68) ... ok
[INFO] [stdout] test src/lib.rs - unwrap (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d5a3f8bf734f8229063f917dd9545e8aaca48398590ebdc58a82bd982739141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5a3f8bf734f8229063f917dd9545e8aaca48398590ebdc58a82bd982739141", kill_on_drop: false }`
[INFO] [stdout] 2d5a3f8bf734f8229063f917dd9545e8aaca48398590ebdc58a82bd982739141