[INFO] fetching crate stm32f7-staging 0.18.1...
[INFO] testing stm32f7-staging-0.18.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate stm32f7-staging 0.18.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate stm32f7-staging 0.18.1
[INFO] finished tweaking crates.io crate stm32f7-staging 0.18.1
[INFO] tweaked toml for crates.io crate stm32f7-staging 0.18.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stm32f7-staging 0.18.1 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 stm32f7-staging 0.18.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.5
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.5
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50
[INFO] running `Command { std: "docker" "start" "5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50", 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" "5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50" "/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" "5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50", 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" "5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling stm32f7-staging v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr] error: failed to run custom build command for `stm32f7-staging v0.18.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/stm32f7-staging-5e86a336b113a13f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/release/build/stm32f7-staging-26665fd34a14d11a/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (235) panicked at build.rs:20:13:
[INFO] [stderr]   No device features selected. Avaliable device features are: ["stm32f722", "stm32f723", "stm32f730", "stm32f732", "stm32f733", "stm32f745", "stm32f746", "stm32f750", "stm32f756", "stm32f765", "stm32f767", "stm32f769", "stm32f777", "stm32f778", "stm32f779"]
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56adecccb731 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x56adeccdcdfa - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x56adecccf05c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x56adeccb47a6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x56adeccc71a1 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x56adeccc735b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x56adeccb4852 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x56adeccad949 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x56adeccb504d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x56adeccdd52c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x56adecca307c - build_script_build[a8f88c6de8c5a832]::main
[INFO] [stderr]     11:     0x56adecca37e3 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     12:     0x56adecca2436 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     13:     0x56adecca25e9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     14:     0x56adeccc6909 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     15:     0x56adecca2261 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     16:     0x56adecca3855 - main
[INFO] [stderr]     17:     0x7696f8307601 - <unknown>
[INFO] [stderr]     18:     0x7696f8307718 - __libc_start_main
[INFO] [stderr]     19:     0x56adecca1e65 - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50", kill_on_drop: false }`
[INFO] [stdout] 5c8cdd9e689dfa5152cd3a6f663e92167d57a51748dcfe42c1082eaba3403d50
