[INFO] fetching crate efm32jg12b-pac 0.1.4...
[INFO] checking efm32jg12b-pac-0.1.4 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate efm32jg12b-pac 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate efm32jg12b-pac 0.1.4 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32jg12b-pac 0.1.4
[INFO] finished tweaking crates.io crate efm32jg12b-pac 0.1.4
[INFO] tweaked toml for crates.io crate efm32jg12b-pac 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 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: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a931d7a0ecd7ffb1b9b20a66727cafadc3e3aef2f9ca7ec2f3fd19a85a73ac0e
[INFO] running `Command { std: "docker" "start" "-a" "a931d7a0ecd7ffb1b9b20a66727cafadc3e3aef2f9ca7ec2f3fd19a85a73ac0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a931d7a0ecd7ffb1b9b20a66727cafadc3e3aef2f9ca7ec2f3fd19a85a73ac0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a931d7a0ecd7ffb1b9b20a66727cafadc3e3aef2f9ca7ec2f3fd19a85a73ac0e", kill_on_drop: false }`
[INFO] [stdout] a931d7a0ecd7ffb1b9b20a66727cafadc3e3aef2f9ca7ec2f3fd19a85a73ac0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27934769d02b30d26c65784fa32eaab8ca1d6cafcbd95c1df7ff76e398b476c
[INFO] running `Command { std: "docker" "start" "-a" "e27934769d02b30d26c65784fa32eaab8ca1d6cafcbd95c1df7ff76e398b476c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.4
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling efm32jg12b-pac v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr] error: failed to run custom build command for `efm32jg12b-pac v0.1.4 (/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/efm32jg12b-pac-02db213169ca81f8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/debug/build/efm32jg12b-pac-8c4b1676af6ae489/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:12:18:
[INFO] [stderr]   No device features selected
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564e268470b5 - std::backtrace_rs::backtrace::libunwind::trace::hf6d84d188eed4942
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x564e268470b5 - std::backtrace_rs::backtrace::trace_unsynchronized::hb841ab02b27b2a81
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564e268470b5 - std::sys_common::backtrace::_print_fmt::h7d09263e980d2dc2
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x564e268470b5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8710a3386e66dc13
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x564e2686492b - core::fmt::rt::Argument::fmt::h56356193ea14b69e
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x564e2686492b - core::fmt::write::ha8a35e57fe29df69
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x564e2684514f - std::io::Write::write_fmt::h070417d35cbd0295
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x564e26846e8e - std::sys_common::backtrace::_print::h98c81ef11000e712
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x564e26846e8e - std::sys_common::backtrace::print::hb4fda26b0eb411fc
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x564e26848149 - std::panicking::default_hook::{{closure}}::h58b999a8a8b72663
[INFO] [stderr]     10:     0x564e26847e8d - std::panicking::default_hook::h9ee81ffa3eaff881
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x564e268485e3 - std::panicking::rust_panic_with_hook::h7cf1f420e89ee254
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x564e2684848b - std::panicking::begin_panic_handler::{{closure}}::h1e92862156407829
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:656:13
[INFO] [stderr]     13:     0x564e26847579 - std::sys_common::backtrace::__rust_end_short_backtrace::hdb9396439049b139
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x564e268481f7 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x564e2682aef3 - core::panicking::panic_fmt::hb6b8317cb2c3be4c
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x564e2682c8f6 - build_script_build::main::h551b09c90b26dff5
[INFO] [stderr]     17:     0x564e2682be53 - core::ops::function::FnOnce::call_once::h377d8d7e95af3dde
[INFO] [stderr]     18:     0x564e2682b5f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h53382707aad5e872
[INFO] [stderr]     19:     0x564e2682bb39 - std::rt::lang_start::{{closure}}::hf0f4ae88b38f05b8
[INFO] [stderr]     20:     0x564e26842726 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hed2c947f9885a74b
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x564e26842726 - std::panicking::try::do_call::hb89329b1c9c22cc4
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:559:40
[INFO] [stderr]     22:     0x564e26842726 - std::panicking::try::h32506f612ff970ae
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:523:19
[INFO] [stderr]     23:     0x564e26842726 - std::panic::catch_unwind::hb921c12c6fd21966
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panic.rs:149:14
[INFO] [stderr]     24:     0x564e26842726 - std::rt::lang_start_internal::{{closure}}::h525d7c9c8d9957db
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/rt.rs:141:48
[INFO] [stderr]     25:     0x564e26842726 - std::panicking::try::do_call::hc05b1198989502ae
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:559:40
[INFO] [stderr]     26:     0x564e26842726 - std::panicking::try::h4ecd1dd6f6f1e3ba
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panicking.rs:523:19
[INFO] [stderr]     27:     0x564e26842726 - std::panic::catch_unwind::h92b0390d9e8eb6ea
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/panic.rs:149:14
[INFO] [stderr]     28:     0x564e26842726 - std::rt::lang_start_internal::he4964f7a9f7ed816
[INFO] [stderr]                                  at /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/std/src/rt.rs:141:20
[INFO] [stderr]     29:     0x564e2682bb17 - std::rt::lang_start::h1bff6a741389996f
[INFO] [stderr]     30:     0x564e2682cb15 - main
[INFO] [stderr]     31:     0x7f80033fcd90 - <unknown>
[INFO] [stderr]     32:     0x7f80033fce40 - __libc_start_main
[INFO] [stderr]     33:     0x564e2682b4e5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e27934769d02b30d26c65784fa32eaab8ca1d6cafcbd95c1df7ff76e398b476c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27934769d02b30d26c65784fa32eaab8ca1d6cafcbd95c1df7ff76e398b476c", kill_on_drop: false }`
[INFO] [stdout] e27934769d02b30d26c65784fa32eaab8ca1d6cafcbd95c1df7ff76e398b476c
[INFO] checking efm32jg12b-pac-0.1.4 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate efm32jg12b-pac 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate efm32jg12b-pac 0.1.4 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32jg12b-pac 0.1.4
[INFO] finished tweaking crates.io crate efm32jg12b-pac 0.1.4
[INFO] tweaked toml for crates.io crate efm32jg12b-pac 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 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: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6db6c6624147cbaa01b340c1ccb6da5f406778f4df0f0f1a135a8fdb7c212d3
[INFO] running `Command { std: "docker" "start" "-a" "b6db6c6624147cbaa01b340c1ccb6da5f406778f4df0f0f1a135a8fdb7c212d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6db6c6624147cbaa01b340c1ccb6da5f406778f4df0f0f1a135a8fdb7c212d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6db6c6624147cbaa01b340c1ccb6da5f406778f4df0f0f1a135a8fdb7c212d3", kill_on_drop: false }`
[INFO] [stdout] b6db6c6624147cbaa01b340c1ccb6da5f406778f4df0f0f1a135a8fdb7c212d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 447fa4b781509b6728de9a46f20bca28f8c1bf8ba9309543a4d6b26f76573902
[INFO] running `Command { std: "docker" "start" "-a" "447fa4b781509b6728de9a46f20bca28f8c1bf8ba9309543a4d6b26f76573902", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.4
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling efm32jg12b-pac v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr] error: failed to run custom build command for `efm32jg12b-pac v0.1.4 (/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/efm32jg12b-pac-02db213169ca81f8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/debug/build/efm32jg12b-pac-8c4b1676af6ae489/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:12:18:
[INFO] [stderr]   No device features selected
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562252dd70b5 - std::backtrace_rs::backtrace::libunwind::trace::hdfeb580427d8933a
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x562252dd70b5 - std::backtrace_rs::backtrace::trace_unsynchronized::h2ab9303b28c241a4
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562252dd70b5 - std::sys_common::backtrace::_print_fmt::h619cfc7eb9ab5b5f
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x562252dd70b5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he16efdaf40e8eef7
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x562252df492b - core::fmt::rt::Argument::fmt::h9f13baa13e8b36b1
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x562252df492b - core::fmt::write::hae8f3928a7d1fb9f
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x562252dd514f - std::io::Write::write_fmt::h51b0278883ceca93
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x562252dd6e8e - std::sys_common::backtrace::_print::ha38797bab2b77f4a
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x562252dd6e8e - std::sys_common::backtrace::print::ha10bfc6bd1633494
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x562252dd8149 - std::panicking::default_hook::{{closure}}::h71e248ada3a684d2
[INFO] [stderr]     10:     0x562252dd7e8d - std::panicking::default_hook::hd99e3a7061b2ddee
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x562252dd85e3 - std::panicking::rust_panic_with_hook::h7c7bce4a41c281ff
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x562252dd848b - std::panicking::begin_panic_handler::{{closure}}::h2460704575d1c9aa
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:656:13
[INFO] [stderr]     13:     0x562252dd7579 - std::sys_common::backtrace::__rust_end_short_backtrace::hbe07398721317bb0
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x562252dd81f7 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x562252dbaef3 - core::panicking::panic_fmt::h621d774f51b1ce55
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x562252dbc8f6 - build_script_build::main::h7a53214f46b1a00c
[INFO] [stderr]     17:     0x562252dbbe53 - core::ops::function::FnOnce::call_once::hc1d60a18c9431177
[INFO] [stderr]     18:     0x562252dbb5f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d16b8f9ada63682
[INFO] [stderr]     19:     0x562252dbbb39 - std::rt::lang_start::{{closure}}::h277568ca248e1401
[INFO] [stderr]     20:     0x562252dd2726 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a158acb8f1b53eb
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x562252dd2726 - std::panicking::try::do_call::h1e4aaada6483a32f
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:559:40
[INFO] [stderr]     22:     0x562252dd2726 - std::panicking::try::h1af07f2910174530
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:523:19
[INFO] [stderr]     23:     0x562252dd2726 - std::panic::catch_unwind::h14ab2010dc264db0
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panic.rs:149:14
[INFO] [stderr]     24:     0x562252dd2726 - std::rt::lang_start_internal::{{closure}}::ha4f1e133f590a2bc
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/rt.rs:141:48
[INFO] [stderr]     25:     0x562252dd2726 - std::panicking::try::do_call::h0f5241dc2333fd63
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:559:40
[INFO] [stderr]     26:     0x562252dd2726 - std::panicking::try::h2de8e037aeb49eae
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panicking.rs:523:19
[INFO] [stderr]     27:     0x562252dd2726 - std::panic::catch_unwind::h655cf7c8daff0fce
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/panic.rs:149:14
[INFO] [stderr]     28:     0x562252dd2726 - std::rt::lang_start_internal::h0546893e62f1752b
[INFO] [stderr]                                  at /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/std/src/rt.rs:141:20
[INFO] [stderr]     29:     0x562252dbbb17 - std::rt::lang_start::h8aada36e4a592b22
[INFO] [stderr]     30:     0x562252dbcb15 - main
[INFO] [stderr]     31:     0x7f693eea6d90 - <unknown>
[INFO] [stderr]     32:     0x7f693eea6e40 - __libc_start_main
[INFO] [stderr]     33:     0x562252dbb4e5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "447fa4b781509b6728de9a46f20bca28f8c1bf8ba9309543a4d6b26f76573902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447fa4b781509b6728de9a46f20bca28f8c1bf8ba9309543a4d6b26f76573902", kill_on_drop: false }`
[INFO] [stdout] 447fa4b781509b6728de9a46f20bca28f8c1bf8ba9309543a4d6b26f76573902
