[INFO] fetching crate stm32-device-signature 0.3.3...
[INFO] testing stm32-device-signature-0.3.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stm32-device-signature 0.3.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stm32-device-signature 0.3.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32-device-signature 0.3.3
[INFO] finished tweaking crates.io crate stm32-device-signature 0.3.3
[INFO] tweaked toml for crates.io crate stm32-device-signature 0.3.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1686b4442d934db5e4bbed15cca806365da9408e277829e938dbafe7aa8694f5
[INFO] running `Command { std: "docker" "start" "-a" "1686b4442d934db5e4bbed15cca806365da9408e277829e938dbafe7aa8694f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1686b4442d934db5e4bbed15cca806365da9408e277829e938dbafe7aa8694f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1686b4442d934db5e4bbed15cca806365da9408e277829e938dbafe7aa8694f5", kill_on_drop: false }`
[INFO] [stdout] 1686b4442d934db5e4bbed15cca806365da9408e277829e938dbafe7aa8694f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c407ab1979bc63a7dd4ed56a061d1dc5dc9d99346f5a11c97efbc0ea13a4221
[INFO] running `Command { std: "docker" "start" "-a" "5c407ab1979bc63a7dd4ed56a061d1dc5dc9d99346f5a11c97efbc0ea13a4221", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32-device-signature v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `stm32-device-signature v0.3.3 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/stm32-device-signature-2a9806bcba071c49/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   No family features selected
[INFO] running `Command { std: "docker" "inspect" "5c407ab1979bc63a7dd4ed56a061d1dc5dc9d99346f5a11c97efbc0ea13a4221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c407ab1979bc63a7dd4ed56a061d1dc5dc9d99346f5a11c97efbc0ea13a4221", kill_on_drop: false }`
[INFO] [stdout] 5c407ab1979bc63a7dd4ed56a061d1dc5dc9d99346f5a11c97efbc0ea13a4221