[INFO] fetching crate stm32f7xx-hal 0.4.0...
[INFO] building stm32f7xx-hal-0.4.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate stm32f7xx-hal 0.4.0 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate stm32f7xx-hal 0.4.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-32/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f7xx-hal 0.4.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate stm32f7xx-hal 0.4.0
[INFO] tweaked toml for crates.io crate stm32f7xx-hal 0.4.0 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate crates.io crate stm32f7xx-hal 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6e2aa1542bfb8af7f6b0a5c185cbee3b26a2532b3fc0c1c14dc9f384e6317dd
[INFO] running `Command { std: "docker" "start" "-a" "b6e2aa1542bfb8af7f6b0a5c185cbee3b26a2532b3fc0c1c14dc9f384e6317dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e2aa1542bfb8af7f6b0a5c185cbee3b26a2532b3fc0c1c14dc9f384e6317dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e2aa1542bfb8af7f6b0a5c185cbee3b26a2532b3fc0c1c14dc9f384e6317dd", kill_on_drop: false }`
[INFO] [stdout] b6e2aa1542bfb8af7f6b0a5c185cbee3b26a2532b3fc0c1c14dc9f384e6317dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac5375c6b0d3ee51f0507d2d413362d115067421e13f2438f6d6a7eef42c9f3
[INFO] running `Command { std: "docker" "start" "-a" "cac5375c6b0d3ee51f0507d2d413362d115067421e13f2438f6d6a7eef42c9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling defmt-parser v0.2.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling stm32f7 v0.11.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling stm32f7xx-hal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling micromath v1.1.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-can v0.3.0
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr] error: failed to run custom build command for `stm32f7xx-hal v0.4.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/stm32f7xx-hal-82d41edb7ce406b4/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   You must select a target.
[INFO] [stderr]   If you added Stm32f7xx HAL as a dependency to your crate, you can select a target by enabling the respective feature in `Cargo.toml`.
[INFO] [stderr]   If you're running an example from the repository, select a target by passing the desired target as a command-line argument, for example `--features=stm32f746`.
[INFO] [stderr]   Please refer to the documentation for more details.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   ', build.rs:144:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557fd423d3f0 - std::backtrace_rs::backtrace::libunwind::trace::h0197874f43e7190f
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x557fd423d3f0 - std::backtrace_rs::backtrace::trace_unsynchronized::hfdfd566bbbda6f2d
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557fd423d3f0 - std::sys_common::backtrace::_print_fmt::hb3b4707c15b032a1
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x557fd423d3f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::had1dceac8b072f88
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x557fd425703c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/fmt/mod.rs:1117:17
[INFO] [stderr]      5:     0x557fd423b8a5 - std::io::Write::write_fmt::h05c3bb2bc83b8ed0
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x557fd423eb3b - std::sys_common::backtrace::_print::h10f0826b2a586b58
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x557fd423eb3b - std::sys_common::backtrace::print::h0d4242fbd1ac3eb6
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x557fd423eb3b - std::panicking::default_hook::{{closure}}::h275ead39fe8b8e2a
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x557fd423e6cb - std::panicking::default_hook::h5505d4d90f5984d9
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x557fd423f204 - std::panicking::rust_panic_with_hook::h2f8980d1d9fd4ca0
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x557fd423ece0 - std::panicking::begin_panic_handler::{{closure}}::hd87853ef7e40ae97
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x557fd423d8f4 - std::sys_common::backtrace::__rust_end_short_backtrace::hcab167aa940694a2
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x557fd423ec49 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x557fd4229a2b - std::panicking::begin_panic_fmt::hb22a56f1d7ee4f34
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:460:5
[INFO] [stderr]     15:     0x557fd422b1c2 - build_script_build::error::h00d1ecebb883b07a
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:144:5
[INFO] [stderr]     16:     0x557fd422b0a2 - build_script_build::SubFamily::read::h0ce992d90a48c6eb
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:116:13
[INFO] [stderr]     17:     0x557fd422b076 - build_script_build::Target::read::h3c56b56e00df9eb7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:61:26
[INFO] [stderr]     18:     0x557fd422a7f6 - build_script_build::main::h647fd033c207d686
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:9:18
[INFO] [stderr]     19:     0x557fd422c292 - core::ops::function::FnOnce::call_once::h94a6adb572722751
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x557fd422ce2a - std::sys_common::backtrace::__rust_begin_short_backtrace::h3a92b30b244d0702
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x557fd422ced6 - std::rt::lang_start::{{closure}}::he44b92644550cc3f
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x557fd423f70a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e3bbb97afe2bb03
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x557fd423f70a - std::panicking::try::do_call::h48c2d717cec4bdcb
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:403:40
[INFO] [stderr]     24:     0x557fd423f70a - std::panicking::try::h2a49bc215893bc14
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:367:19
[INFO] [stderr]     25:     0x557fd423f70a - std::panic::catch_unwind::h6d23b7c99550c7ff
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panic.rs:129:14
[INFO] [stderr]     26:     0x557fd423f70a - std::rt::lang_start_internal::{{closure}}::h251a0c0729f15896
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x557fd423f70a - std::panicking::try::do_call::h4830e784a9b9d1ad
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:403:40
[INFO] [stderr]     28:     0x557fd423f70a - std::panicking::try::h0427859d2ad3b3b9
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:367:19
[INFO] [stderr]     29:     0x557fd423f70a - std::panic::catch_unwind::h4079bfb63395be0f
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panic.rs:129:14
[INFO] [stderr]     30:     0x557fd423f70a - std::rt::lang_start_internal::h408e9d26a25a1f08
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x557fd422cea0 - std::rt::lang_start::h6e45a039d9a8e1ec
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x557fd422b38c - main
[INFO] [stderr]     33:     0x7f7debdd20b3 - __libc_start_main
[INFO] [stderr]     34:     0x557fd422a6ee - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cac5375c6b0d3ee51f0507d2d413362d115067421e13f2438f6d6a7eef42c9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac5375c6b0d3ee51f0507d2d413362d115067421e13f2438f6d6a7eef42c9f3", kill_on_drop: false }`
[INFO] [stdout] cac5375c6b0d3ee51f0507d2d413362d115067421e13f2438f6d6a7eef42c9f3