[INFO] fetching crate zscript-core 0.100.0...
[INFO] testing zscript-core-0.100.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate zscript-core 0.100.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate zscript-core 0.100.0
[INFO] finished tweaking crates.io crate zscript-core 0.100.0
[INFO] tweaked toml for crates.io crate zscript-core 0.100.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zscript-core 0.100.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cc1c61b6531e5f8a5619cb10eb6f96b5616423684712f94321217dd1bb970585
[INFO] running `Command { std: "docker" "start" "-a" "cc1c61b6531e5f8a5619cb10eb6f96b5616423684712f94321217dd1bb970585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1c61b6531e5f8a5619cb10eb6f96b5616423684712f94321217dd1bb970585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1c61b6531e5f8a5619cb10eb6f96b5616423684712f94321217dd1bb970585", kill_on_drop: false }`
[INFO] [stdout] cc1c61b6531e5f8a5619cb10eb6f96b5616423684712f94321217dd1bb970585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6427db7ea259bde1c4f9490a5978ddc3aa668122321d59231e1d4863b3ca293e
[INFO] running `Command { std: "docker" "start" "-a" "6427db7ea259bde1c4f9490a5978ddc3aa668122321d59231e1d4863b3ca293e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zscript-core v0.100.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6427db7ea259bde1c4f9490a5978ddc3aa668122321d59231e1d4863b3ca293e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6427db7ea259bde1c4f9490a5978ddc3aa668122321d59231e1d4863b3ca293e", kill_on_drop: false }`
[INFO] [stdout] 6427db7ea259bde1c4f9490a5978ddc3aa668122321d59231e1d4863b3ca293e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 39642a85cd669d631e4fc28f790bf050652d756dc2a68a3b7cb0fecb61c9efeb
[INFO] running `Command { std: "docker" "start" "-a" "39642a85cd669d631e4fc28f790bf050652d756dc2a68a3b7cb0fecb61c9efeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling zscript-core v0.100.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "39642a85cd669d631e4fc28f790bf050652d756dc2a68a3b7cb0fecb61c9efeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39642a85cd669d631e4fc28f790bf050652d756dc2a68a3b7cb0fecb61c9efeb", kill_on_drop: false }`
[INFO] [stdout] 39642a85cd669d631e4fc28f790bf050652d756dc2a68a3b7cb0fecb61c9efeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 27780231d7d88ea65a74fe9565cc6f0ca24d54c55fbdc13254be7b483a7d66c9
[INFO] running `Command { std: "docker" "start" "-a" "27780231d7d88ea65a74fe9565cc6f0ca24d54c55fbdc13254be7b483a7d66c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zscript_core-f4a129ac415c1887)
[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 zscript_core
[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" "27780231d7d88ea65a74fe9565cc6f0ca24d54c55fbdc13254be7b483a7d66c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27780231d7d88ea65a74fe9565cc6f0ca24d54c55fbdc13254be7b483a7d66c9", kill_on_drop: false }`
[INFO] [stdout] 27780231d7d88ea65a74fe9565cc6f0ca24d54c55fbdc13254be7b483a7d66c9