[INFO] fetching crate mt_mtc 0.4.2...
[INFO] testing mt_mtc-0.4.2 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate mt_mtc 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mt_mtc 0.4.2
[INFO] finished tweaking crates.io crate mt_mtc 0.4.2
[INFO] tweaked toml for crates.io crate mt_mtc 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mt_mtc 0.4.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mt_mtc 0.4.2 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 623da1964773f8eb9431c265d0d1a905f5af5df004ddd2998372ed5462aacb53
[INFO] running `Command { std: "docker" "start" "-a" "623da1964773f8eb9431c265d0d1a905f5af5df004ddd2998372ed5462aacb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623da1964773f8eb9431c265d0d1a905f5af5df004ddd2998372ed5462aacb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623da1964773f8eb9431c265d0d1a905f5af5df004ddd2998372ed5462aacb53", kill_on_drop: false }`
[INFO] [stdout] 623da1964773f8eb9431c265d0d1a905f5af5df004ddd2998372ed5462aacb53
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01dd2832456677153b853c672fdaef53c9246e9ce7439c47fb337172e4c34fb3
[INFO] running `Command { std: "docker" "start" "-a" "01dd2832456677153b853c672fdaef53c9246e9ce7439c47fb337172e4c34fb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling jiff v0.2.18
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling ariadne v0.4.1
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling ptr_meta_derive v0.3.1
[INFO] [stderr]    Compiling bytecheck_derive v0.8.2
[INFO] [stderr]    Compiling munge_macro v0.4.7
[INFO] [stderr]    Compiling rkyv_derive v0.8.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ar_archive_writer v0.2.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling ptr_meta v0.3.1
[INFO] [stderr]    Compiling rancor v0.1.1
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling munge v0.4.7
[INFO] [stderr]    Compiling bytecheck v0.8.2
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling psm v0.1.28
[INFO] [stderr]    Compiling rend v0.5.3
[INFO] [stderr]    Compiling logos-derive v0.15.1
[INFO] [stderr]    Compiling logos v0.15.1
[INFO] [stderr]    Compiling rkyv v0.8.13
[INFO] [stderr]    Compiling ros2-interfaces-jazzy-rkyv v0.0.5
[INFO] [stderr]    Compiling mt_net v0.4.2
[INFO] [stderr]    Compiling mt_mtc v0.4.2 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "01dd2832456677153b853c672fdaef53c9246e9ce7439c47fb337172e4c34fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01dd2832456677153b853c672fdaef53c9246e9ce7439c47fb337172e4c34fb3", kill_on_drop: false }`
[INFO] [stdout] 01dd2832456677153b853c672fdaef53c9246e9ce7439c47fb337172e4c34fb3
