[INFO] fetching crate spectate_lib 0.0.4...
[INFO] testing spectate_lib-0.0.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spectate_lib 0.0.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate spectate_lib 0.0.4
[INFO] finished tweaking crates.io crate spectate_lib 0.0.4
[INFO] tweaked toml for crates.io crate spectate_lib 0.0.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spectate_lib 0.0.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 145 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.10)
[INFO] [stderr]       Adding prost v0.9.0 (available: v0.14.3)
[INFO] [stderr]       Adding prost-build v0.9.0 (available: v0.14.3)
[INFO] [stderr]       Adding tonic v0.6.2 (available: v0.14.5)
[INFO] [stderr]       Adding tonic-build v0.6.2 (available: v0.14.5)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1f3739f951fe5bce81760bc174b698ae4d2a65145406ebb1739ad3294cc6c647
[INFO] running `Command { std: "docker" "start" "-a" "1f3739f951fe5bce81760bc174b698ae4d2a65145406ebb1739ad3294cc6c647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3739f951fe5bce81760bc174b698ae4d2a65145406ebb1739ad3294cc6c647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3739f951fe5bce81760bc174b698ae4d2a65145406ebb1739ad3294cc6c647", kill_on_drop: false }`
[INFO] [stdout] 1f3739f951fe5bce81760bc174b698ae4d2a65145406ebb1739ad3294cc6c647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5b4d5f3305477b2f4acec0a478e6f03efca5d4ec92f237a707c13797cb83b37f
[INFO] running `Command { std: "docker" "start" "-a" "5b4d5f3305477b2f4acec0a478e6f03efca5d4ec92f237a707c13797cb83b37f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]    Compiling spectate_lib v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr] error: failed to run custom build command for `spectate_lib v0.0.4 (/opt/rustwide/workdir)`
[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/spectate_lib-0eb37e75c15ba7e4/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-2026-04-21-x86_64-unknown-linux-gnu'.
[INFO] [stderr]   help: run `rustup component add --toolchain beta-2026-04-21-x86_64-unknown-linux-gnu rustfmt` to install it
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5b4d5f3305477b2f4acec0a478e6f03efca5d4ec92f237a707c13797cb83b37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4d5f3305477b2f4acec0a478e6f03efca5d4ec92f237a707c13797cb83b37f", kill_on_drop: false }`
[INFO] [stdout] 5b4d5f3305477b2f4acec0a478e6f03efca5d4ec92f237a707c13797cb83b37f
