[INFO] fetching crate rtic 2.3.1...
[INFO] testing rtic-2.3.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rtic 2.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rtic 2.3.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rtic 2.3.1
[INFO] tweaked toml for crates.io crate rtic 2.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtic 2.3.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rtic 2.3.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v2.8.0
[INFO] [stderr]   Downloaded rtic-macros v2.3.1
[INFO] [stderr]   Downloaded rtic-core v1.0.0
[INFO] [stderr]   Downloaded cortex-m-macros v0.7.8
[INFO] [stderr]   Downloaded riscv-slic-macros v0.2.0
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded trybuild v1.0.115
[INFO] [stderr]   Downloaded toml v0.9.6
[INFO] [stderr]   Downloaded riscv-pac v0.2.0
[INFO] [stderr]   Downloaded riscv-types v0.1.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded lm3s6965 v0.2.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.6.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded riscv-macros v0.4.1
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.5
[INFO] [stderr]   Downloaded panic-semihosting v0.7.0
[INFO] [stderr]   Downloaded riscv-slic v0.2.0
[INFO] [stderr]   Downloaded riscv-macros v0.1.0
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.5
[INFO] [stderr]   Downloaded riscv v0.12.1
[INFO] [stderr]   Downloaded riscv v0.16.1
[INFO] [stderr]   Downloaded cortex-m v0.7.9
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded esp32c3 v0.31.0
[INFO] [stderr]   Downloaded esp32c6 v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4
[INFO] running `Command { std: "docker" "start" "86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling rtic-macros v2.3.1
[INFO] [stderr]    Compiling rtic v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rtic-core v1.0.0
[INFO] [stderr] error: rtic@2.3.1: No backend feature selected
[INFO] [stderr] error: build script logged errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4", kill_on_drop: false }`
[INFO] [stdout] 86048f2081e348dc1039ddb796cc7c4b2115ec3a703fa37a995b0f9613a9cfd4
