[INFO] fetching crate mut_family 0.1.14...
[INFO] testing mut_family-0.1.14 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mut_family 0.1.14 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mut_family 0.1.14
[INFO] finished tweaking crates.io crate mut_family 0.1.14
[INFO] tweaked toml for crates.io crate mut_family 0.1.14 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mut_family 0.1.14 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding sealed v0.4.0 (available: v0.6.0)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c7b62592ba6e5a43924c8b9464cab8a0ebaac4e9cf7cc5743a4cf1cfda0afb4
[INFO] running `Command { std: "docker" "start" "-a" "3c7b62592ba6e5a43924c8b9464cab8a0ebaac4e9cf7cc5743a4cf1cfda0afb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7b62592ba6e5a43924c8b9464cab8a0ebaac4e9cf7cc5743a4cf1cfda0afb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7b62592ba6e5a43924c8b9464cab8a0ebaac4e9cf7cc5743a4cf1cfda0afb4", kill_on_drop: false }`
[INFO] [stdout] 3c7b62592ba6e5a43924c8b9464cab8a0ebaac4e9cf7cc5743a4cf1cfda0afb4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9561b995cc0110972d44ff3d5eb21d36e7098dfde751ff0ef888fbbfd165ea4
[INFO] running `Command { std: "docker" "start" "-a" "c9561b995cc0110972d44ff3d5eb21d36e7098dfde751ff0ef888fbbfd165ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling sealed v0.4.0
[INFO] [stderr]    Compiling mut_family v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "c9561b995cc0110972d44ff3d5eb21d36e7098dfde751ff0ef888fbbfd165ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9561b995cc0110972d44ff3d5eb21d36e7098dfde751ff0ef888fbbfd165ea4", kill_on_drop: false }`
[INFO] [stdout] c9561b995cc0110972d44ff3d5eb21d36e7098dfde751ff0ef888fbbfd165ea4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3391ff682c93dcb773c412afe626d2ec9c21134361d65354a66baad33d3cddff
[INFO] running `Command { std: "docker" "start" "-a" "3391ff682c93dcb773c412afe626d2ec9c21134361d65354a66baad33d3cddff", kill_on_drop: false }`
[INFO] [stderr]    Compiling mut_family v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3391ff682c93dcb773c412afe626d2ec9c21134361d65354a66baad33d3cddff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3391ff682c93dcb773c412afe626d2ec9c21134361d65354a66baad33d3cddff", kill_on_drop: false }`
[INFO] [stdout] 3391ff682c93dcb773c412afe626d2ec9c21134361d65354a66baad33d3cddff
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7abfbca4057548945da82394b44c50b140ecf5eff5ded29e787daa962b320d6a
[INFO] running `Command { std: "docker" "start" "-a" "7abfbca4057548945da82394b44c50b140ecf5eff5ded29e787daa962b320d6a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mut_family-8a9e47789207d52c)
[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 mut_family
[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" "7abfbca4057548945da82394b44c50b140ecf5eff5ded29e787daa962b320d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abfbca4057548945da82394b44c50b140ecf5eff5ded29e787daa962b320d6a", kill_on_drop: false }`
[INFO] [stdout] 7abfbca4057548945da82394b44c50b140ecf5eff5ded29e787daa962b320d6a