[INFO] fetching crate stm32l4 0.16.0...
[INFO] testing stm32l4-0.16.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate stm32l4 0.16.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate stm32l4 0.16.0
[INFO] finished tweaking crates.io crate stm32l4 0.16.0
[INFO] tweaked toml for crates.io crate stm32l4 0.16.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stm32l4 0.16.0 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 stm32l4 0.16.0 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] 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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275
[INFO] running `Command { std: "docker" "start" "988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275", 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" "988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275" "/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" "988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275", 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" "988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275" "/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 cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling stm32l4 v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr] error: failed to run custom build command for `stm32l4 v0.16.0 (/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/stm32l4-66719689c955eacf/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/release/build/stm32l4-ff16e1584a145f15/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (214) panicked at build.rs:20:13:
[INFO] [stderr]   No device features selected. Avaliable device features are: ["stm32l412", "stm32l4p5", "stm32l4r5", "stm32l4r9", "stm32l4x1", "stm32l4x2", "stm32l4x3", "stm32l4x5", "stm32l4x6"]
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57a1fd302661 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x57a1fd313d2a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x57a1fd305f8c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x57a1fd2eb6d6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x57a1fd2fe0d1 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x57a1fd2fe28b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x57a1fd2eb782 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x57a1fd2e4879 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x57a1fd2ebf7d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x57a1fd31445c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x57a1fd2d9faa - build_script_build[e20fab07f92c95e5]::main
[INFO] [stderr]     11:     0x57a1fd2da713 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     12:     0x57a1fd2d9406 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     13:     0x57a1fd2d95b9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     14:     0x57a1fd2fd839 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     15:     0x57a1fd2d9231 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     16:     0x57a1fd2da785 - main
[INFO] [stderr]     17:     0x73fa2679a601 - <unknown>
[INFO] [stderr]     18:     0x73fa2679a718 - __libc_start_main
[INFO] [stderr]     19:     0x57a1fd2d8e35 - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275", kill_on_drop: false }`
[INFO] [stdout] 988252282c873f6b1d15b36171b947c2df124f550345719c0248c09607018275
