[INFO] fetching crate multi-start 0.1.2...
[INFO] testing multi-start-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate multi-start 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate multi-start 0.1.2
[INFO] finished tweaking crates.io crate multi-start 0.1.2
[INFO] tweaked toml for crates.io crate multi-start 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi-start 0.1.2 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] crate crates.io crate multi-start 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1e4c3236b6cdb3f696857f3d348ca8f31eec28776e6bdcdf21c61758608cec4f
[INFO] running `Command { std: "docker" "start" "-a" "1e4c3236b6cdb3f696857f3d348ca8f31eec28776e6bdcdf21c61758608cec4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4c3236b6cdb3f696857f3d348ca8f31eec28776e6bdcdf21c61758608cec4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4c3236b6cdb3f696857f3d348ca8f31eec28776e6bdcdf21c61758608cec4f", kill_on_drop: false }`
[INFO] [stdout] 1e4c3236b6cdb3f696857f3d348ca8f31eec28776e6bdcdf21c61758608cec4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 030685a7ab8ae632d3fc30601faf626eb335ba0025a6aac3af7d76553ed20a99
[INFO] running `Command { std: "docker" "start" "-a" "030685a7ab8ae632d3fc30601faf626eb335ba0025a6aac3af7d76553ed20a99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling serde_json v1.0.97
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time v0.3.22
[INFO] [stderr]    Compiling multi-start v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "030685a7ab8ae632d3fc30601faf626eb335ba0025a6aac3af7d76553ed20a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030685a7ab8ae632d3fc30601faf626eb335ba0025a6aac3af7d76553ed20a99", kill_on_drop: false }`
[INFO] [stdout] 030685a7ab8ae632d3fc30601faf626eb335ba0025a6aac3af7d76553ed20a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 76aac0433f9e21c43f32f18cdfe94c984c6f3790aea44c74c2aa5feba72b7443
[INFO] running `Command { std: "docker" "start" "-a" "76aac0433f9e21c43f32f18cdfe94c984c6f3790aea44c74c2aa5feba72b7443", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi-start v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "76aac0433f9e21c43f32f18cdfe94c984c6f3790aea44c74c2aa5feba72b7443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76aac0433f9e21c43f32f18cdfe94c984c6f3790aea44c74c2aa5feba72b7443", kill_on_drop: false }`
[INFO] [stdout] 76aac0433f9e21c43f32f18cdfe94c984c6f3790aea44c74c2aa5feba72b7443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9f4a2356df022170e5b9d5844644e341ac06444ef76e78fc8eb72c5ad67525ab
[INFO] running `Command { std: "docker" "start" "-a" "9f4a2356df022170e5b9d5844644e341ac06444ef76e78fc8eb72c5ad67525ab", 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/bm-3f3c3433dc571506)
[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" "9f4a2356df022170e5b9d5844644e341ac06444ef76e78fc8eb72c5ad67525ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4a2356df022170e5b9d5844644e341ac06444ef76e78fc8eb72c5ad67525ab", kill_on_drop: false }`
[INFO] [stdout] 9f4a2356df022170e5b9d5844644e341ac06444ef76e78fc8eb72c5ad67525ab