[INFO] fetching crate embassy-boot-stm32 0.3.0...
[INFO] checking embassy-boot-stm32-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate embassy-boot-stm32 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate embassy-boot-stm32 0.3.0
[INFO] finished tweaking crates.io crate embassy-boot-stm32 0.3.0
[INFO] tweaked toml for crates.io crate embassy-boot-stm32 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embassy-boot-stm32 0.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate embassy-boot-stm32 0.3.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac9a39b0a8a1ddd9676763a9fb3a1dbb2503c4dc8ad5b5b0f04d7610625e8c23
[INFO] running `Command { std: "docker" "start" "-a" "ac9a39b0a8a1ddd9676763a9fb3a1dbb2503c4dc8ad5b5b0f04d7610625e8c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9a39b0a8a1ddd9676763a9fb3a1dbb2503c4dc8ad5b5b0f04d7610625e8c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9a39b0a8a1ddd9676763a9fb3a1dbb2503c4dc8ad5b5b0f04d7610625e8c23", kill_on_drop: false }`
[INFO] [stdout] ac9a39b0a8a1ddd9676763a9fb3a1dbb2503c4dc8ad5b5b0f04d7610625e8c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4508ca491950f16c0b1021cafd1b11c0eb9c384f7a6e4a6a1b49abdd60f574ec
[INFO] running `Command { std: "docker" "start" "-a" "4508ca491950f16c0b1021cafd1b11c0eb9c384f7a6e4a6a1b49abdd60f574ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling embassy-sync v0.6.2
[INFO] [stderr]    Compiling embassy-time-driver v0.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling stm32-metapac v16.0.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]     Checking embassy-futures v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling embassy-hal-internal v0.2.0
[INFO] [stderr]     Checking aligned v0.4.2
[INFO] [stderr]     Checking embassy-usb-driver v0.1.0
[INFO] [stderr]    Compiling embassy-sync v0.7.0
[INFO] [stderr]     Checking block-device-driver v0.2.0
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]     Checking stm32-fmc v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr] error: failed to run custom build command for `stm32-metapac v16.0.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_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/debug/build/stm32-metapac-5fe90db1b5c99b65/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stm32-metapac-16.0.0/build.rs:36:35:
[INFO] [stderr]   No stm32xx Cargo feature enabled
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x629a69fff342 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6da87f843d594e5f
[INFO] [stderr]      1:     0x629a6a01ac63 - core::fmt::write::hfc80a741b320fdf6
[INFO] [stderr]      2:     0x629a69ffce33 - std::io::Write::write_fmt::h4ea6a86049496d1c
[INFO] [stderr]      3:     0x629a69fff192 - std::sys::backtrace::BacktraceLock::print::h1cbd12f8d7a3dd2a
[INFO] [stderr]      4:     0x629a6a000206 - std::panicking::default_hook::{{closure}}::h05e45c6f75ebd415
[INFO] [stderr]      5:     0x629a6a000009 - std::panicking::default_hook::h282f20b2a278c2b0
[INFO] [stderr]      6:     0x629a6a000ad2 - std::panicking::rust_panic_with_hook::h36eb92d284238d72
[INFO] [stderr]      7:     0x629a6a000936 - std::panicking::begin_panic_handler::{{closure}}::h880cd2442ca41755
[INFO] [stderr]      8:     0x629a69fff839 - std::sys::backtrace::__rust_end_short_backtrace::hea32aba5814406f8
[INFO] [stderr]      9:     0x629a6a0005fd - __rustc[e8bfc998c4eccd70]::rust_begin_unwind
[INFO] [stderr]     10:     0x629a6a01a170 - core::panicking::panic_fmt::h507f02bb0d23e89f
[INFO] [stderr]     11:     0x629a69fdd00c - build_script_build::main::hf25698fb2d63f9b2
[INFO] [stderr]     12:     0x629a69fdbec3 - core::ops::function::FnOnce::call_once::h4ed757649e4376ae
[INFO] [stderr]     13:     0x629a69fdba86 - std::sys::backtrace::__rust_begin_short_backtrace::h5042e96190119efd
[INFO] [stderr]     14:     0x629a69fdbe19 - std::rt::lang_start::{{closure}}::h2bd26ad450cb91d8
[INFO] [stderr]     15:     0x629a69ff9f20 - std::rt::lang_start_internal::h1c97a48421de4504
[INFO] [stderr]     16:     0x629a69fdbe01 - std::rt::lang_start::h703f1a6351cbe31c
[INFO] [stderr]     17:     0x629a69fdd0a5 - main
[INFO] [stderr]     18:     0x79e482ecc1ca - <unknown>
[INFO] [stderr]     19:     0x79e482ecc28b - __libc_start_main
[INFO] [stderr]     20:     0x629a69fda935 - _start
[INFO] [stderr]     21:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4508ca491950f16c0b1021cafd1b11c0eb9c384f7a6e4a6a1b49abdd60f574ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4508ca491950f16c0b1021cafd1b11c0eb9c384f7a6e4a6a1b49abdd60f574ec", kill_on_drop: false }`
[INFO] [stdout] 4508ca491950f16c0b1021cafd1b11c0eb9c384f7a6e4a6a1b49abdd60f574ec