[INFO] fetching crate gd32f4 0.1.0-alpha.1...
[INFO] checking gd32f4-0.1.0-alpha.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate gd32f4 0.1.0-alpha.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate gd32f4 0.1.0-alpha.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gd32f4 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate gd32f4 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate gd32f4 0.1.0-alpha.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.15.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d82eb10ba20bb06e6ba96956388a25c7533cb95342fa3568c590255f2cfdb28
[INFO] running `Command { std: "docker" "start" "-a" "1d82eb10ba20bb06e6ba96956388a25c7533cb95342fa3568c590255f2cfdb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d82eb10ba20bb06e6ba96956388a25c7533cb95342fa3568c590255f2cfdb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d82eb10ba20bb06e6ba96956388a25c7533cb95342fa3568c590255f2cfdb28", kill_on_drop: false }`
[INFO] [stdout] 1d82eb10ba20bb06e6ba96956388a25c7533cb95342fa3568c590255f2cfdb28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f27798b57d2f22bd392c5abcdd7a2b392624f6fbca83efb702a990d151955f2
[INFO] running `Command { std: "docker" "start" "-a" "7f27798b57d2f22bd392c5abcdd7a2b392624f6fbca83efb702a990d151955f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling gd32f4 v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr] error: failed to run custom build command for `gd32f4 v0.1.0-alpha.1 (/opt/rustwide/workdir)`
[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/gd32f4-0d43c793b66341cb/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/debug/build/gd32f4-1364a5e697dc436d/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:10:18:
[INFO] [stderr]   No device features selected
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55746fb7f165 - std::backtrace_rs::backtrace::libunwind::trace::h876d7c806a499a4c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55746fb7f165 - std::backtrace_rs::backtrace::trace_unsynchronized::h93aa6ac20204363f
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55746fb7f165 - std::sys_common::backtrace::_print_fmt::haa4d06348037420c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55746fb7f165 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb19a1068483db389
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55746fb9ddbb - core::fmt::rt::Argument::fmt::he1186800a1f8dba1
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55746fb9ddbb - core::fmt::write::h93b97d526ac83ab7
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]      6:     0x55746fb7ce4f - std::io::Write::write_fmt::h5b8b8a434bcca5dd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]      7:     0x55746fb7ef3e - std::sys_common::backtrace::_print::h68eb04d9824256f0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55746fb7ef3e - std::sys_common::backtrace::print::h9c98f0d9c4306586
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55746fb802a9 - std::panicking::default_hook::{{closure}}::hcf6830dc400daae4
[INFO] [stderr]     10:     0x55746fb7ffed - std::panicking::default_hook::h483615856e3a5cc0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x55746fb80763 - std::panicking::rust_panic_with_hook::h36ebc998f351e5fd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x55746fb62afe - std::panicking::begin_panic::{{closure}}::h6ebac6eb2c3c0ec5
[INFO] [stderr]     13:     0x55746fb62406 - std::sys_common::backtrace::__rust_end_short_backtrace::h48955ec56e94b711
[INFO] [stderr]     14:     0x55746fb62aa7 - std::panicking::begin_panic::h75a581e3bd1410cb
[INFO] [stderr]     15:     0x55746fb63b6f - build_script_build::main::h6cca303db2b14b87
[INFO] [stderr]     16:     0x55746fb62ce3 - core::ops::function::FnOnce::call_once::h088218e0e47a5973
[INFO] [stderr]     17:     0x55746fb62416 - std::sys_common::backtrace::__rust_begin_short_backtrace::h651953cf9f52f4d3
[INFO] [stderr]     18:     0x55746fb62949 - std::rt::lang_start::{{closure}}::h9e71d9ac65b342b2
[INFO] [stderr]     19:     0x55746fb7a31d - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h75d0a4fe40296b94
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     20:     0x55746fb7a31d - std::panicking::try::do_call::ha27ca65264b021a4
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     21:     0x55746fb7a31d - std::panicking::try::h901e100a17b3cd54
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     22:     0x55746fb7a31d - std::panic::catch_unwind::h13d256f1691dfb07
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     23:     0x55746fb7a31d - std::rt::lang_start_internal::{{closure}}::hdf5a5a26190e1fd8
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:48
[INFO] [stderr]     24:     0x55746fb7a31d - std::panicking::try::do_call::h3a8fb98242ec30e5
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     25:     0x55746fb7a31d - std::panicking::try::h881801cd3cb8ba77
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     26:     0x55746fb7a31d - std::panic::catch_unwind::he14d380083644433
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     27:     0x55746fb7a31d - std::rt::lang_start_internal::hf560e7575b65e65f
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:20
[INFO] [stderr]     28:     0x55746fb62927 - std::rt::lang_start::h9953e4d208b79363
[INFO] [stderr]     29:     0x55746fb63d75 - main
[INFO] [stderr]     30:     0x7fe9f7836d90 - <unknown>
[INFO] [stderr]     31:     0x7fe9f7836e40 - __libc_start_main
[INFO] [stderr]     32:     0x55746fb622c5 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7f27798b57d2f22bd392c5abcdd7a2b392624f6fbca83efb702a990d151955f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f27798b57d2f22bd392c5abcdd7a2b392624f6fbca83efb702a990d151955f2", kill_on_drop: false }`
[INFO] [stdout] 7f27798b57d2f22bd392c5abcdd7a2b392624f6fbca83efb702a990d151955f2
[INFO] checking gd32f4-0.1.0-alpha.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate gd32f4 0.1.0-alpha.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate gd32f4 0.1.0-alpha.1 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gd32f4 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate gd32f4 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate gd32f4 0.1.0-alpha.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.15.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d1e11a6321d4b2e4ed305398ab9eccf8593de58afd5bf5d82072f8f8302a9a7
[INFO] running `Command { std: "docker" "start" "-a" "0d1e11a6321d4b2e4ed305398ab9eccf8593de58afd5bf5d82072f8f8302a9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1e11a6321d4b2e4ed305398ab9eccf8593de58afd5bf5d82072f8f8302a9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1e11a6321d4b2e4ed305398ab9eccf8593de58afd5bf5d82072f8f8302a9a7", kill_on_drop: false }`
[INFO] [stdout] 0d1e11a6321d4b2e4ed305398ab9eccf8593de58afd5bf5d82072f8f8302a9a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80119d440097f13b1cdcb7a4e0e37dfcdf9e97fcbee160c9ae2031257a21d3eb
[INFO] running `Command { std: "docker" "start" "-a" "80119d440097f13b1cdcb7a4e0e37dfcdf9e97fcbee160c9ae2031257a21d3eb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "80119d440097f13b1cdcb7a4e0e37dfcdf9e97fcbee160c9ae2031257a21d3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80119d440097f13b1cdcb7a4e0e37dfcdf9e97fcbee160c9ae2031257a21d3eb", kill_on_drop: false }`
[INFO] [stdout] 80119d440097f13b1cdcb7a4e0e37dfcdf9e97fcbee160c9ae2031257a21d3eb