[INFO] fetching crate stim-cxx 0.4.0...
[INFO] testing stim-cxx-0.4.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate stim-cxx 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate stim-cxx 0.4.0
[INFO] finished tweaking crates.io crate stim-cxx 0.4.0
[INFO] tweaked toml for crates.io crate stim-cxx 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stim-cxx 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stim-cxx 0.4.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c859efec7688fa8e891da16a5266c836cf91882ac9445c910f8fbb8491982efa
[INFO] running `Command { std: "docker" "start" "-a" "c859efec7688fa8e891da16a5266c836cf91882ac9445c910f8fbb8491982efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c859efec7688fa8e891da16a5266c836cf91882ac9445c910f8fbb8491982efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c859efec7688fa8e891da16a5266c836cf91882ac9445c910f8fbb8491982efa", kill_on_drop: false }`
[INFO] [stdout] c859efec7688fa8e891da16a5266c836cf91882ac9445c910f8fbb8491982efa
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a421df38eb57b31f7e6fbeaf7ad757a0a066e2007470e346dcf784823f52937d
[INFO] running `Command { std: "docker" "start" "-a" "a421df38eb57b31f7e6fbeaf7ad757a0a066e2007470e346dcf784823f52937d", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.194
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling cxx v1.0.194
[INFO] [stderr]    Compiling cxx-build v1.0.194
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.194
[INFO] [stderr]    Compiling stim-cxx v0.4.0 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a421df38eb57b31f7e6fbeaf7ad757a0a066e2007470e346dcf784823f52937d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a421df38eb57b31f7e6fbeaf7ad757a0a066e2007470e346dcf784823f52937d", kill_on_drop: false }`
[INFO] [stdout] a421df38eb57b31f7e6fbeaf7ad757a0a066e2007470e346dcf784823f52937d