[INFO] fetching crate avr-libc 0.2.2...
[INFO] checking avr-libc-0.2.2 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate avr-libc 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate avr-libc 0.2.2 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avr-libc 0.2.2
[INFO] finished tweaking crates.io crate avr-libc 0.2.2
[INFO] tweaked toml for crates.io crate avr-libc 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate avr-libc 0.2.2 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-cpu-fetch v0.1.3
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded xmltree v0.10.2
[INFO] [stderr]   Downloaded clang-sys v1.1.0
[INFO] [stderr]   Downloaded libloading v0.6.7
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded bindgen v0.57.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded avr-mcu v0.3.5
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c351392a013d96f43f8b78f91e19c37b6b1dfac0c5b3b17a89e933ab673c6b8
[INFO] running `Command { std: "docker" "start" "-a" "9c351392a013d96f43f8b78f91e19c37b6b1dfac0c5b3b17a89e933ab673c6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c351392a013d96f43f8b78f91e19c37b6b1dfac0c5b3b17a89e933ab673c6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c351392a013d96f43f8b78f91e19c37b6b1dfac0c5b3b17a89e933ab673c6b8", kill_on_drop: false }`
[INFO] [stdout] 9c351392a013d96f43f8b78f91e19c37b6b1dfac0c5b3b17a89e933ab673c6b8
[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=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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 698a2d3332593e8c2f15546686d5ecc768c103a33fd28355821b31038e10f776
[INFO] running `Command { std: "docker" "start" "-a" "698a2d3332593e8c2f15546686d5ecc768c103a33fd28355821b31038e10f776", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.1.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling avr-libc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `avr-libc v0.2.2 (/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/avr-libc-63affa855d881619/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [warning]: cannot find target JSON file 'x86_64-unknown-linux-gnu.json' - due to limitations it needs to be in the crate root - is it?
[INFO] [stderr]   [warning]: assuming a target CPU name of 'x86_64-unknown-linux-gnu' from the file name of the target spec JSON file
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/avr-mcu-0.3.5/src/load.rs:54:10:
[INFO] [stderr]   no microcontroller with the name 'x86_64-unknown-linux-gnu' found
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x60b62f6d179a - std::backtrace_rs::backtrace::libunwind::trace::hc8717ea3ff88efc7
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x60b62f6d179a - std::backtrace_rs::backtrace::trace_unsynchronized::h4cb12a240f50bc9d
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x60b62f6d179a - std::sys::backtrace::_print_fmt::hfb8f4575e12be528
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x60b62f6d179a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h7767b02c5430d02b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x60b62f6fb113 - core::fmt::rt::Argument::fmt::h8658c1a0a94d2676
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x60b62f6fb113 - core::fmt::write::hd9cf23088539bf85
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x60b62f6ce283 - std::io::Write::write_fmt::h516df85bf7181425
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x60b62f6d15e2 - std::sys::backtrace::BacktraceLock::print::h5907c3622e037863
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x60b62f6d27dc - std::panicking::default_hook::{{closure}}::h13cd352e0714d74b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x60b62f6d2622 - std::panicking::default_hook::ha087b22e6b135389
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x60b62f6d2e17 - std::panicking::rust_panic_with_hook::ha12d21b564771d78
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x60b62f6d2caa - std::panicking::begin_panic_handler::{{closure}}::h29f91f01f78dfedc
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x60b62f6d1c79 - std::sys::backtrace::__rust_end_short_backtrace::h1e39edc6648a642b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x60b62f6d293c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x60b62f6f9460 - core::panicking::panic_fmt::hea12f2402e677eaa
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x60b62f6f943b - core::panicking::panic_display::hea7fe4bb2674b65f
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/panicking.rs:273:5
[INFO] [stderr]     16:     0x60b62f6f943b - core::option::expect_failed::h56338d192e40e0a5
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/option.rs:2017:5
[INFO] [stderr]     17:     0x60b62f2f7fb8 - core::option::Option<T>::expect::h4a2885c5b5489a34
[INFO] [stderr]     18:     0x60b62f2f236b - avr_mcu::load::microcontroller::h2d2dc0c2eb20f7dc
[INFO] [stderr]     19:     0x60b62f2f0621 - avr_mcu::current::mcu::{{closure}}::h162c702ebf7c2e8e
[INFO] [stderr]     20:     0x60b62f2f7d7e - core::option::Option<T>::map::hc92d88a78e33d6e3
[INFO] [stderr]     21:     0x60b62f2f05a7 - avr_mcu::current::mcu::h89a9cb0fa6416f73
[INFO] [stderr]     22:     0x60b62f2de2e2 - core::ops::function::FnOnce::call_once::h6698be62224cded0
[INFO] [stderr]     23:     0x60b62f2dd466 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h0c713474933873b6
[INFO] [stderr]     24:     0x60b62f2ddd34 - std::sync::once::Once::call_once::{{closure}}::h00411485458712b1
[INFO] [stderr]     25:     0x60b62f6db183 - std::sys::sync::once::futex::Once::call::h83f028b789475b04
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/sync/once/futex.rs:176:21
[INFO] [stderr]     26:     0x60b62f2ddca6 - std::sync::once::Once::call_once::h4e9a2e835366f9e2
[INFO] [stderr]     27:     0x60b62f2e262d - <build_script_build::MCU as core::ops::deref::Deref>::deref::h3e0f6be5819039b0
[INFO] [stderr]     28:     0x60b62f2e0183 - build_script_build::main::h64e4e45c7597510c
[INFO] [stderr]     29:     0x60b62f2de333 - core::ops::function::FnOnce::call_once::hb94b5dcd8340d337
[INFO] [stderr]     30:     0x60b62f2ddb86 - std::sys::backtrace::__rust_begin_short_backtrace::h1648e19099a0e076
[INFO] [stderr]     31:     0x60b62f2ddac9 - std::rt::lang_start::{{closure}}::h16bda00edb1e7cbc
[INFO] [stderr]     32:     0x60b62f6c9d67 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdcc69c5250d896c3
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     33:     0x60b62f6c9d67 - std::panicking::try::do_call::h8e74087e18c529fb
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:557:40
[INFO] [stderr]     34:     0x60b62f6c9d67 - std::panicking::try::hafe5958fa1de7ce5
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:520:19
[INFO] [stderr]     35:     0x60b62f6c9d67 - std::panic::catch_unwind::he7dd6e3079677b88
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panic.rs:358:14
[INFO] [stderr]     36:     0x60b62f6c9d67 - std::rt::lang_start_internal::{{closure}}::h3deb900feda3337f
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/rt.rs:174:48
[INFO] [stderr]     37:     0x60b62f6c9d67 - std::panicking::try::do_call::h320a9b5b747cda95
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:557:40
[INFO] [stderr]     38:     0x60b62f6c9d67 - std::panicking::try::h91bf02fd4fee4183
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:520:19
[INFO] [stderr]     39:     0x60b62f6c9d67 - std::panic::catch_unwind::h19dd28683f4d8ff7
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panic.rs:358:14
[INFO] [stderr]     40:     0x60b62f6c9d67 - std::rt::lang_start_internal::h02315d8cca736b32
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/rt.rs:174:20
[INFO] [stderr]     41:     0x60b62f2ddaa7 - std::rt::lang_start::h699a18bd2ccb29bf
[INFO] [stderr]     42:     0x60b62f2e2695 - main
[INFO] [stderr]     43:     0x710b8af76d90 - <unknown>
[INFO] [stderr]     44:     0x710b8af76e40 - __libc_start_main
[INFO] [stderr]     45:     0x60b62f2dd335 - _start
[INFO] [stderr]     46:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "698a2d3332593e8c2f15546686d5ecc768c103a33fd28355821b31038e10f776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698a2d3332593e8c2f15546686d5ecc768c103a33fd28355821b31038e10f776", kill_on_drop: false }`
[INFO] [stdout] 698a2d3332593e8c2f15546686d5ecc768c103a33fd28355821b31038e10f776
