[INFO] fetching crate avr-libc 0.2.2...
[INFO] checking avr-libc-0.2.2 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate avr-libc 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate avr-libc 0.2.2 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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-14/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: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.57.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36a1bf5ffcedccd384fce3d02a8d95f941217542fdf3c1aaeb5e8b9754d821d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36a1bf5ffcedccd384fce3d02a8d95f941217542fdf3c1aaeb5e8b9754d821d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36a1bf5ffcedccd384fce3d02a8d95f941217542fdf3c1aaeb5e8b9754d821d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a1bf5ffcedccd384fce3d02a8d95f941217542fdf3c1aaeb5e8b9754d821d9", kill_on_drop: false }`
[INFO] [stdout] 36a1bf5ffcedccd384fce3d02a8d95f941217542fdf3c1aaeb5e8b9754d821d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f004e162ef355da843e8a829f1e19495291228cb02342e931692e95785d33c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f004e162ef355da843e8a829f1e19495291228cb02342e931692e95785d33c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[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] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/avr-libc-95370c6701738d46/build-script-build` (exit code: 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 'no microcontroller with the name 'x86_64-unknown-linux-gnu' found', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.5/src/load.rs:54:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a4599e0e40 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55a4599e0e40 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a4599e0e40 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a4599e0e40 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd8c307a38b9bab04
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a459a07d1c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55a4599dd022 - std::io::Write::write_fmt::hab90295d5a0f197d
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55a4599e3115 - std::sys_common::backtrace::_print::h19224910b8700cf1
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a4599e3115 - std::sys_common::backtrace::print::h25dedfa68c5fb84a
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a4599e3115 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55a4599e2bc3 - std::panicking::default_hook::he65cee71c4209f0c
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55a4599e38b1 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55a4599e33f7 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55a4599e12dc - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a4599e3359 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55a459a06211 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55a459a05fa3 - core::option::expect_failed::h8be1ca96ca0d69ca
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/option.rs:1292:5
[INFO] [stderr]     16:     0x55a4593ead3e - core::option::Option<T>::expect::h620c267e534dca27
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/option.rs:349:21
[INFO] [stderr]     17:     0x55a4593f4246 - avr_mcu::load::microcontroller::he746aa8460223221
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.5/src/load.rs:50:21
[INFO] [stderr]     18:     0x55a4593eb5b2 - avr_mcu::current::mcu::{{closure}}::h810706106b2afc52
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.5/src/current.rs:13:31
[INFO] [stderr]     19:     0x55a4593ea4b5 - core::option::Option<T>::map::h47652cacef3826f0
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/option.rs:487:29
[INFO] [stderr]     20:     0x55a4593eb55f - avr_mcu::current::mcu::hc3b7548b0532f8de
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.5/src/current.rs:13:5
[INFO] [stderr]     21:     0x55a4593d4441 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__static_ref_initialize::hb2f78170a0279915
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:31:35
[INFO] [stderr]     22:     0x55a4593d4441 - core::ops::function::FnOnce::call_once::h2a7d8113a1744f2d
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     23:     0x55a4593d4d34 - lazy_static::lazy::Lazy<T>::get::{{closure}}::heb300ce1707e4892
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stderr]     24:     0x55a4593d6f7c - std::sync::once::Once::call_once::{{closure}}::h86ef3fc3f74f2ecc
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     25:     0x55a4599e0a32 - std::sync::once::Once::call_inner::he54c77fb483caed2
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     26:     0x55a4593d6ef7 - std::sync::once::Once::call_once::h00bc53c307de1078
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     27:     0x55a4593d37e7 - lazy_static::lazy::Lazy<T>::get::hcfd25167902552c7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stderr]     28:     0x55a4593d37e7 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__stability::h31f6e44c08dc56d7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stderr]     29:     0x55a4593d37e7 - <build_script_build::MCU as core::ops::deref::Deref>::deref::h05981ef8bb4712fb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stderr]     30:     0x55a4593d11f6 - build_script_build::main::h75f88057f68d14dd
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:42:8
[INFO] [stderr]     31:     0x55a4593d445b - core::ops::function::FnOnce::call_once::h5d7d4d79dd2bb0be
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     32:     0x55a4593d4d7e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf5c917338e520ba1
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     33:     0x55a4593d4221 - std::rt::lang_start::{{closure}}::h812b9d33a5752eb8
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:66:18
[INFO] [stderr]     34:     0x55a4599e3cca - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4fd7d4128112a8
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     35:     0x55a4599e3cca - std::panicking::try::do_call::h41fb7dbbbe7bece6
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:379:40
[INFO] [stderr]     36:     0x55a4599e3cca - std::panicking::try::hd38008ccba72bce1
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:343:19
[INFO] [stderr]     37:     0x55a4599e3cca - std::panic::catch_unwind::h057e765cd60f2d13
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panic.rs:431:14
[INFO] [stderr]     38:     0x55a4599e3cca - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:51:25
[INFO] [stderr]     39:     0x55a4593d41f7 - std::rt::lang_start::h27110e352eb7b505
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:65:5
[INFO] [stderr]     40:     0x55a4593d387a - main
[INFO] [stderr]     41:     0x7f9f15f140b3 - __libc_start_main
[INFO] [stderr]     42:     0x55a4593d10be - _start
[INFO] [stderr]     43:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2f004e162ef355da843e8a829f1e19495291228cb02342e931692e95785d33c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f004e162ef355da843e8a829f1e19495291228cb02342e931692e95785d33c6", kill_on_drop: false }`
[INFO] [stdout] 2f004e162ef355da843e8a829f1e19495291228cb02342e931692e95785d33c6