[INFO] fetching crate avr-libc 0.2.0...
[INFO] testing avr-libc-0.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate avr-libc 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate avr-libc 0.2.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avr-libc 0.2.0
[INFO] finished tweaking crates.io crate avr-libc 0.2.0
[INFO] tweaked toml for crates.io crate avr-libc 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate avr-libc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08e2e17d7dac62b5551db62ee6bedf2058e8fe50582d3145ddfbe80a64461e54
[INFO] running `Command { std: "docker" "start" "-a" "08e2e17d7dac62b5551db62ee6bedf2058e8fe50582d3145ddfbe80a64461e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e2e17d7dac62b5551db62ee6bedf2058e8fe50582d3145ddfbe80a64461e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e2e17d7dac62b5551db62ee6bedf2058e8fe50582d3145ddfbe80a64461e54", kill_on_drop: false }`
[INFO] [stdout] 08e2e17d7dac62b5551db62ee6bedf2058e8fe50582d3145ddfbe80a64461e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5731304796cc8d5314f428a7144d3322450e1e175f1d788381f5aeea6e5c87cf
[INFO] running `Command { std: "docker" "start" "-a" "5731304796cc8d5314f428a7144d3322450e1e175f1d788381f5aeea6e5c87cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling bindgen v0.54.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling xmltree v0.10.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.1
[INFO] [stderr]    Compiling avr-mcu v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling avr-libc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `avr-libc v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/avr-libc-19bfbd495a9ae309/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-0.3.3/src/load.rs:50:21
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556c0d4d1335 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x556c0d4d1335 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x556c0d4d1335 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x556c0d4d1335 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x556c0d4fbc9c - core::fmt::write::he14c3177144df275
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x556c0d4cd653 - std::io::Write::write_fmt::h8e26323bfab8bcc5
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x556c0d4d3b10 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x556c0d4d3b10 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x556c0d4d3b10 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x556c0d4d385c - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x556c0d4d4147 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x556c0d4d3d4b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x556c0d4fa351 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x556c0d4fa0e3 - core::option::expect_failed::h40cb0b7f6916ebba
[INFO] [stderr]                                at src/libcore/option.rs:1264
[INFO] [stderr]   14:     0x556c0cf0459a - core::option::Option<T>::expect::h90a52ef72e1afb38
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/option.rs:349
[INFO] [stderr]   15:     0x556c0ceebaf2 - avr_mcu::load::microcontroller::hd9e2bcf694635634
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/load.rs:50
[INFO] [stderr]   16:     0x556c0ceec9de - avr_mcu::current::mcu::{{closure}}::h08a6ce9def1b2ce7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/current.rs:13
[INFO] [stderr]   17:     0x556c0cf0346c - core::option::Option<T>::map::h1145dc836cfbb96e
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/option.rs:458
[INFO] [stderr]   18:     0x556c0ceec97e - avr_mcu::current::mcu::hbeb30f7fb56cf663
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/current.rs:13
[INFO] [stderr]   19:     0x556c0ced3e31 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__static_ref_initialize::h22bccfb10834ce55
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:31
[INFO] [stderr]   20:     0x556c0ced3e31 - core::ops::function::FnOnce::call_once::h07e41a26180d7240
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232
[INFO] [stderr]   21:     0x556c0ced3cb4 - lazy_static::lazy::Lazy<T>::get::{{closure}}::he342b52c90edfbbb
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31
[INFO] [stderr]   22:     0x556c0ced5db2 - std::sync::once::Once::call_once::{{closure}}::hb66d21f81df261cd
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sync/once.rs:264
[INFO] [stderr]   23:     0x556c0d4d0cfb - std::sync::once::Once::call_inner::h986c3855f0b9a273
[INFO] [stderr]                                at src/libstd/sync/once.rs:416
[INFO] [stderr]   24:     0x556c0ced5d31 - std::sync::once::Once::call_once::he44f8286c50a7811
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sync/once.rs:264
[INFO] [stderr]   25:     0x556c0ced2a67 - lazy_static::lazy::Lazy<T>::get::h9db7317ada4c4301
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30
[INFO] [stderr]   26:     0x556c0ced2a67 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__stability::h96c5c1c012e257d0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142
[INFO] [stderr]   27:     0x556c0ced2a67 - <build_script_build::MCU as core::ops::deref::Deref>::deref::h562ae0f861f90677
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144
[INFO] [stderr]   28:     0x556c0ced02e6 - build_script_build::main::hd105cf9fabc4b300
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:42
[INFO] [stderr]   29:     0x556c0ced35bb - std::rt::lang_start::{{closure}}::hd5adf46f13d8eca4
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67
[INFO] [stderr]   30:     0x556c0d4d4518 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   31:     0x556c0d4d4518 - std::panicking::try::do_call::hb2bfa58b743656f1
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   32:     0x556c0d4d4518 - std::panicking::try::haaa85a89ce3784c3
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   33:     0x556c0d4d4518 - std::panic::catch_unwind::h49baa277f74e60cb
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   34:     0x556c0d4d4518 - std::rt::lang_start_internal::h7aa2f6739b31fe58
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   35:     0x556c0ced3597 - std::rt::lang_start::hafc877b6083f9f75
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67
[INFO] [stderr]   36:     0x556c0ced2afa - main
[INFO] [stderr]   37:     0x7ff4d2b0f0b3 - __libc_start_main
[INFO] [stderr]   38:     0x556c0ced01ae - _start
[INFO] [stderr]   39:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "5731304796cc8d5314f428a7144d3322450e1e175f1d788381f5aeea6e5c87cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5731304796cc8d5314f428a7144d3322450e1e175f1d788381f5aeea6e5c87cf", kill_on_drop: false }`
[INFO] [stdout] 5731304796cc8d5314f428a7144d3322450e1e175f1d788381f5aeea6e5c87cf