[INFO] fetching crate avr-libc 0.2.2...
[INFO] checking avr-libc-0.2.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate avr-libc 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate avr-libc 0.2.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-1/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c20a55964df1a87b16fe5aba884eb72f6f8afc41ea675fe4361dad2519b6a3c5
[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" "c20a55964df1a87b16fe5aba884eb72f6f8afc41ea675fe4361dad2519b6a3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20a55964df1a87b16fe5aba884eb72f6f8afc41ea675fe4361dad2519b6a3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20a55964df1a87b16fe5aba884eb72f6f8afc41ea675fe4361dad2519b6a3c5", kill_on_drop: false }`
[INFO] [stdout] c20a55964df1a87b16fe5aba884eb72f6f8afc41ea675fe4361dad2519b6a3c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--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] 8dabc13c800b668e566262ba2a4a8e22c2c2b1ec2699f2896c4ead665dc3bb26
[INFO] running `Command { std: "docker" "start" "-a" "8dabc13c800b668e566262ba2a4a8e22c2c2b1ec2699f2896c4ead665dc3bb26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.1.0
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling quote v1.0.9
[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-662758ff692c4931/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 '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:     0x5579a0406460 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5579a0406460 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5579a0406460 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5579a0406460 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7d41ae04358c516d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5579a042ba7c - core::fmt::write::h968e6400cbc51d6a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5579a0403065 - std::io::Write::write_fmt::h2eaa97c6f8c9e829
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/io/mod.rs:1642:15
[INFO] [stderr]      6:     0x5579a04086cb - std::sys_common::backtrace::_print::h601a6bc581f240d5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5579a04086cb - std::sys_common::backtrace::print::h8b96e15ba64b8e64
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5579a04086cb - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5579a04081a1 - std::panicking::default_hook::h6d463f5a2e9d9986
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5579a0408d94 - std::panicking::rust_panic_with_hook::h1e953652a338573e
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5579a0408877 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5579a040695c - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5579a04087d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55799fe52851 - core::panicking::panic_fmt::hdfd0360cedf2d908
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55799fe52743 - core::option::expect_failed::hee23bd32c207f2f9
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/option.rs:1243:5
[INFO] [stderr]     16:     0x55799fe682c8 - core::option::Option<T>::expect::h2809033d1da340f2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/option.rs:351:21
[INFO] [stderr]     17:     0x55799fe74f26 - avr_mcu::load::microcontroller::hc0c58e27510ab43e
[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:     0x55799fe896ba - avr_mcu::current::mcu::{{closure}}::h92eb088690e7a066
[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:     0x55799fe6804b - core::option::Option<T>::map::hd8c3955a21943eb9
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/option.rs:489:29
[INFO] [stderr]     20:     0x55799fe89657 - avr_mcu::current::mcu::h708d8a602dd8b727
[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:     0x55799fe59091 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__static_ref_initialize::h4604342ba58f4dcc
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:31:35
[INFO] [stderr]     22:     0x55799fe59091 - core::ops::function::FnOnce::call_once::he8a8f2384c104091
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     23:     0x55799fe58f44 - lazy_static::lazy::Lazy<T>::get::{{closure}}::hbb8ed4b31a96de29
[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:     0x55799fe58a0b - std::sync::once::Once::call_once::{{closure}}::h7492bd4d4c917eed
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     25:     0x55799fe519cc - std::sync::once::Once::call_inner::h7b0b799f928afc79
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     26:     0x55799fe58998 - std::sync::once::Once::call_once::h49ca825326a11b9b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     27:     0x55799fe55865 - lazy_static::lazy::Lazy<T>::get::h20d6dc4ba7873d1a
[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:     0x55799fe55865 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__stability::h38ec5e916c955859
[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:     0x55799fe55865 - <build_script_build::MCU as core::ops::deref::Deref>::deref::h5e04292d69dba118
[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:     0x55799fe53183 - build_script_build::main::h0a8b5a64fd496f99
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:42:8
[INFO] [stderr]     31:     0x55799fe5902b - core::ops::function::FnOnce::call_once::h7a4e5cf79072fb94
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     32:     0x55799fe564ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h64ce1faf09bf1c1b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     33:     0x55799fe55e71 - std::rt::lang_start::{{closure}}::h78463ee0ec916f38
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:63:18
[INFO] [stderr]     34:     0x5579a040929a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hccffb0872f46e99d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     35:     0x5579a040929a - std::panicking::try::do_call::h814e0410256bb9f2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     36:     0x5579a040929a - std::panicking::try::h97cbec2057cc2c0d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     37:     0x5579a040929a - std::panic::catch_unwind::h964f35f6fa41d1d7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     38:     0x5579a040929a - std::rt::lang_start_internal::{{closure}}::hb97931cf27086d8b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:48
[INFO] [stderr]     39:     0x5579a040929a - std::panicking::try::do_call::hf0d61be342e8297a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     40:     0x5579a040929a - std::panicking::try::h6b40eeb22db57b23
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     41:     0x5579a040929a - std::panic::catch_unwind::h425af95fffdb0cf5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     42:     0x5579a040929a - std::rt::lang_start_internal::h21e355575f2fedc7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:20
[INFO] [stderr]     43:     0x55799fe55e40 - std::rt::lang_start::h84592d4c8ffd84d3
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:62:5
[INFO] [stderr]     44:     0x55799fe558ec - main
[INFO] [stderr]     45:     0x7f95f25510b3 - __libc_start_main
[INFO] [stderr]     46:     0x55799fe5304e - _start
[INFO] [stderr]     47:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8dabc13c800b668e566262ba2a4a8e22c2c2b1ec2699f2896c4ead665dc3bb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dabc13c800b668e566262ba2a4a8e22c2c2b1ec2699f2896c4ead665dc3bb26", kill_on_drop: false }`
[INFO] [stdout] 8dabc13c800b668e566262ba2a4a8e22c2c2b1ec2699f2896c4ead665dc3bb26