[INFO] fetching crate monsta-server 0.0.1...
[INFO] testing monsta-server-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate monsta-server 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate monsta-server 0.0.1
[INFO] finished tweaking crates.io crate monsta-server 0.0.1
[INFO] tweaked toml for crates.io crate monsta-server 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monsta-server 0.0.1 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 133 packages to latest compatible versions
[INFO] [stderr]       Adding prost v0.9.0 (available: v0.14.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tonic v0.6.2 (available: v0.14.2)
[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] c70c47f5b263398603243f311968f13af2f1dad0746c6207054356bc53fe2e96
[INFO] running `Command { std: "docker" "start" "-a" "c70c47f5b263398603243f311968f13af2f1dad0746c6207054356bc53fe2e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70c47f5b263398603243f311968f13af2f1dad0746c6207054356bc53fe2e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70c47f5b263398603243f311968f13af2f1dad0746c6207054356bc53fe2e96", kill_on_drop: false }`
[INFO] [stdout] c70c47f5b263398603243f311968f13af2f1dad0746c6207054356bc53fe2e96
[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] 8397d688e994adca333b6089bf0e7a27ea6a287b0c74cfd4e48fb964ad0e05fc
[INFO] running `Command { std: "docker" "start" "-a" "8397d688e994adca333b6089bf0e7a27ea6a287b0c74cfd4e48fb964ad0e05fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling monsta-proto v0.0.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr] error: failed to run custom build command for `monsta-proto v0.0.1`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/monsta-proto-5787b90f85b7c371/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-2025-10-28-x86_64-unknown-linux-gnu'.
[INFO] [stderr]   To install, run `rustup component add --toolchain beta-2025-10-28-x86_64-unknown-linux-gnu rustfmt`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8397d688e994adca333b6089bf0e7a27ea6a287b0c74cfd4e48fb964ad0e05fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8397d688e994adca333b6089bf0e7a27ea6a287b0c74cfd4e48fb964ad0e05fc", kill_on_drop: false }`
[INFO] [stdout] 8397d688e994adca333b6089bf0e7a27ea6a287b0c74cfd4e48fb964ad0e05fc