[INFO] fetching crate esp-fast-serial 0.5.0...
[INFO] testing esp-fast-serial-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate esp-fast-serial 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate esp-fast-serial 0.5.0
[INFO] finished tweaking crates.io crate esp-fast-serial 0.5.0
[INFO] tweaked toml for crates.io crate esp-fast-serial 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate esp-fast-serial 0.5.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 139 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding embassy-executor v0.6.3 (available: v0.9.1)
[INFO] [stderr]       Adding embassy-sync v0.6.2 (available: v0.7.2)
[INFO] [stderr]       Adding esp-backtrace v0.14.2 (available: v0.17.0)
[INFO] [stderr]       Adding esp-hal v0.22.0 (available: v0.23.1)
[INFO] [stderr]       Adding esp-hal-embassy v0.5.0 (available: v0.9.0)
[INFO] [stderr]       Adding esp-println v0.12.0 (available: v0.15.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d77971fed759af244b56dbcc838a7e453d727f00b582cdf0b053551a52650bc0
[INFO] running `Command { std: "docker" "start" "-a" "d77971fed759af244b56dbcc838a7e453d727f00b582cdf0b053551a52650bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d77971fed759af244b56dbcc838a7e453d727f00b582cdf0b053551a52650bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77971fed759af244b56dbcc838a7e453d727f00b582cdf0b053551a52650bc0", kill_on_drop: false }`
[INFO] [stdout] d77971fed759af244b56dbcc838a7e453d727f00b582cdf0b053551a52650bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 792e34aaf16d2f8317806dfffa810b93355a553c2a7081930c52a314a2ec4d39
[INFO] running `Command { std: "docker" "start" "-a" "792e34aaf16d2f8317806dfffa810b93355a553c2a7081930c52a314a2ec4d39", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling embassy-time-driver v0.1.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling esp-build v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling embassy-time-queue-driver v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling embassy-sync v0.6.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling embedded-storage v0.3.1
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling esp-println v0.12.0
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] ERROR: expected exactly one enabled feature from feature group:
[INFO] [stderr]   ["esp32", "esp32c2", "esp32c3", "esp32c6", "esp32h2", "esp32p4", "esp32s2", "esp32s3"]
[INFO] [stderr]     
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `esp-println` (build script)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name build_script_build --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/esp-println-0.12.0/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no --cfg 'feature="critical-section"' --cfg 'feature="jtag-serial"' --cfg 'feature="log"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("auto", "colors", "critical-section", "default", "defmt-espflash", "esp32", "esp32c2", "esp32c3", "esp32c6", "esp32h2", "esp32p4", "esp32s2", "esp32s3", "jtag-serial", "log", "no-op", "uart"))' -C metadata=f3e7762db39dff34 -C extra-filename=-0772f420630b7572 --out-dir /opt/rustwide/target/debug/build/esp-println-0772f420630b7572 -L dependency=/opt/rustwide/target/debug/deps --extern esp_build=/opt/rustwide/target/debug/deps/libesp_build-7ee0aa4a72ab1749.so --extern log=/opt/rustwide/target/debug/deps/liblog-40ebd7d040175aeb.rlib --cap-lints allow --cap-lints=warn` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "792e34aaf16d2f8317806dfffa810b93355a553c2a7081930c52a314a2ec4d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792e34aaf16d2f8317806dfffa810b93355a553c2a7081930c52a314a2ec4d39", kill_on_drop: false }`
[INFO] [stdout] 792e34aaf16d2f8317806dfffa810b93355a553c2a7081930c52a314a2ec4d39