[INFO] fetching crate cyt4dn 0.0.1...
[INFO] checking cyt4dn-0.0.1 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate cyt4dn 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cyt4dn 0.0.1 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cyt4dn 0.0.1
[INFO] finished tweaking crates.io crate cyt4dn 0.0.1
[INFO] tweaked toml for crates.io crate cyt4dn 0.0.1 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cyt4dn_b v0.0.1
[INFO] [stderr]   Downloaded cyt4dn_a v0.0.1
[INFO] [stderr]   Downloaded cyt4dn_c v0.0.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2ce1391644c7f25bf71fa99135a4740864c51d3ffd03514230821955ea9332
[INFO] running `Command { std: "docker" "start" "-a" "fa2ce1391644c7f25bf71fa99135a4740864c51d3ffd03514230821955ea9332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2ce1391644c7f25bf71fa99135a4740864c51d3ffd03514230821955ea9332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2ce1391644c7f25bf71fa99135a4740864c51d3ffd03514230821955ea9332", kill_on_drop: false }`
[INFO] [stdout] fa2ce1391644c7f25bf71fa99135a4740864c51d3ffd03514230821955ea9332
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a9f9d4caffc7e192a0cda4b4265d9977b12643728736ec2bb70dbea0d49cdb2
[INFO] running `Command { std: "docker" "start" "-a" "7a9f9d4caffc7e192a0cda4b4265d9977b12643728736ec2bb70dbea0d49cdb2", 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]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling cyt4dn_c v0.0.1
[INFO] [stderr]     Checking bitfield v0.13.2
[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 `cyt4dn_c v0.0.1`
[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/cyt4dn_c-58cfcb3025bc8b83/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cyt4dn_c-0.0.1/build.rs:20:13:
[INFO] [stderr]   Only thumbv7em-none-eabihf and thumbv6m-none-eabi target triple are supported
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63816088b7ea - std::backtrace_rs::backtrace::libunwind::trace::h3d1148b7268e4456
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x63816088b7ea - std::backtrace_rs::backtrace::trace_unsynchronized::hcd8d8263202addd9
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x63816088b7ea - std::sys::backtrace::_print_fmt::h812e4f55de0da7fc
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x63816088b7ea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h906dff65e8b7c000
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x6381608a7ed3 - core::fmt::rt::Argument::fmt::hb1625b4525552ddc
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x6381608a7ed3 - core::fmt::write::h44024895ba49323a
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x638160888ee3 - std::io::Write::write_fmt::hf3c4d9bb313458e6
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x63816088b632 - std::sys::backtrace::BacktraceLock::print::h70dc6513b8f1948d
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x63816088c5fc - std::panicking::default_hook::{{closure}}::h4e46246c986b21f2
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x63816088c442 - std::panicking::default_hook::h149f583b31249354
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x63816088cbf7 - std::panicking::rust_panic_with_hook::h9f77e00b577fb66f
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x63816088ca56 - std::panicking::begin_panic_handler::{{closure}}::h05dd299f621afec5
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:667:13
[INFO] [stderr]     12:     0x63816088bcc9 - std::sys::backtrace::__rust_end_short_backtrace::h1ac5e80eb199b5e7
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x63816088c71c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x6381608a7120 - core::panicking::panic_fmt::hdb7e6f3ae56c06a6
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/panicking.rs:76:14
[INFO] [stderr]     15:     0x63816086b119 - build_script_build::main::h3e48b87e9a41e55b
[INFO] [stderr]     16:     0x638160869d83 - core::ops::function::FnOnce::call_once::hac508e97a9f60329
[INFO] [stderr]     17:     0x638160869be6 - std::sys::backtrace::__rust_begin_short_backtrace::h02cc9389de04b80e
[INFO] [stderr]     18:     0x638160869a49 - std::rt::lang_start::{{closure}}::ha367d3461c7825d0
[INFO] [stderr]     19:     0x638160886727 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9b826323d0f6f52d
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     20:     0x638160886727 - std::panicking::try::do_call::h11b8cb37e889e723
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:557:40
[INFO] [stderr]     21:     0x638160886727 - std::panicking::try::h8c0c35eed4b91402
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:520:19
[INFO] [stderr]     22:     0x638160886727 - std::panic::catch_unwind::hdd9725084aceebb7
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panic.rs:358:14
[INFO] [stderr]     23:     0x638160886727 - std::rt::lang_start_internal::{{closure}}::h70a2b8736f81fb2f
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/rt.rs:174:48
[INFO] [stderr]     24:     0x638160886727 - std::panicking::try::do_call::h9dbefce92b360333
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:557:40
[INFO] [stderr]     25:     0x638160886727 - std::panicking::try::h69f0829c3d3bd7a7
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:520:19
[INFO] [stderr]     26:     0x638160886727 - std::panic::catch_unwind::haf848aa83b38ef16
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panic.rs:358:14
[INFO] [stderr]     27:     0x638160886727 - std::rt::lang_start_internal::ha915624e2796630d
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/rt.rs:174:20
[INFO] [stderr]     28:     0x638160869a27 - std::rt::lang_start::hdd24869992b9ab2b
[INFO] [stderr]     29:     0x63816086b1b5 - main
[INFO] [stderr]     30:     0x7ee0ff548d90 - <unknown>
[INFO] [stderr]     31:     0x7ee0ff548e40 - __libc_start_main
[INFO] [stderr]     32:     0x638160868cc5 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a9f9d4caffc7e192a0cda4b4265d9977b12643728736ec2bb70dbea0d49cdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9f9d4caffc7e192a0cda4b4265d9977b12643728736ec2bb70dbea0d49cdb2", kill_on_drop: false }`
[INFO] [stdout] 7a9f9d4caffc7e192a0cda4b4265d9977b12643728736ec2bb70dbea0d49cdb2
