[INFO] fetching crate avr-libc 0.2.0... [INFO] documenting avr-libc-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate avr-libc 0.2.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate avr-libc 0.2.0 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-11/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bindgen v0.54.1 [INFO] [stderr] Downloaded avr-mcu v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f44ac869f146fbd7cf9dd85cfa068d9b7df4425e46a4de9d9ab1c0851f5f2ad [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" "1f44ac869f146fbd7cf9dd85cfa068d9b7df4425e46a4de9d9ab1c0851f5f2ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f44ac869f146fbd7cf9dd85cfa068d9b7df4425e46a4de9d9ab1c0851f5f2ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f44ac869f146fbd7cf9dd85cfa068d9b7df4425e46a4de9d9ab1c0851f5f2ad", kill_on_drop: false }` [INFO] [stdout] 1f44ac869f146fbd7cf9dd85cfa068d9b7df4425e46a4de9d9ab1c0851f5f2ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 400d248d0b7bb235b55cae508c6034fb67cf8448a6dc289d0867acb03126f419 [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" "400d248d0b7bb235b55cae508c6034fb67cf8448a6dc289d0867acb03126f419", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling bindgen v0.54.1 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling xmltree v0.10.1 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [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 clap v2.33.1 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling cexpr v0.4.0 [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-60fe90065df43e32/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:54:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e659796210 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55e659796210 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55e659796210 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55e659796210 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55e6597bbe7c - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x55e6597928d7 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x55e659798640 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55e659798640 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55e659798640 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x55e65979838c - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x55e659798ca3 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x55e659798879 - std::panicking::begin_panic_handler::{{closure}}::h4aa640a9e8494520 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:476 [INFO] [stderr] 12: 0x55e65979667c - std::sys_common::backtrace::__rust_end_short_backtrace::h85d2ae6a90dead9c [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55e659798839 - rust_begin_unwind [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:475 [INFO] [stderr] 14: 0x55e6597ba451 - core::panicking::panic_fmt::hbf8b471a26c80149 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x55e6597ba1e3 - core::option::expect_failed::ha4390247d473d6e0 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/option.rs:1213 [INFO] [stderr] 16: 0x55e6591b4c7b - core::option::Option::expect::h7d435d40d397ac92 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/option.rs:333 [INFO] [stderr] 17: 0x55e6591ba8c2 - avr_mcu::load::microcontroller::hf555431e7001a487 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/load.rs:50 [INFO] [stderr] 18: 0x55e6591bb77e - avr_mcu::current::mcu::{{closure}}::hb619ca26a20470e6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/current.rs:13 [INFO] [stderr] 19: 0x55e6591b4ad8 - core::option::Option::map::hfa5f785bb0a4c3cb [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/option.rs:437 [INFO] [stderr] 20: 0x55e6591bb71f - avr_mcu::current::mcu::h59b4b3872fe7fd18 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/current.rs:13 [INFO] [stderr] 21: 0x55e6591a4921 - ::deref::__static_ref_initialize::h5ed23d6b441a24e6 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:31 [INFO] [stderr] 22: 0x55e6591a4921 - core::ops::function::FnOnce::call_once::h2ce32e2c6cd9304f [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 23: 0x55e6591a4e64 - lazy_static::lazy::Lazy::get::{{closure}}::h7ecb064163961ca2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31 [INFO] [stderr] 24: 0x55e6591a511c - std::sync::once::Once::call_once::{{closure}}::h5358e03f2682610f [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sync/once.rs:265 [INFO] [stderr] 25: 0x55e659795bf5 - std::sync::once::Once::call_inner::ha4d0c8009adfd067 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sync/once.rs:421 [INFO] [stderr] 26: 0x55e6591a50a1 - std::sync::once::Once::call_once::h2945c5b1b6902112 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sync/once.rs:265 [INFO] [stderr] 27: 0x55e6591a38d7 - lazy_static::lazy::Lazy::get::h5903cf3caa82de08 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30 [INFO] [stderr] 28: 0x55e6591a38d7 - ::deref::__stability::hf6fd617f4b6c8051 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142 [INFO] [stderr] 29: 0x55e6591a38d7 - ::deref::hd989c343edd83607 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144 [INFO] [stderr] 30: 0x55e6591a1206 - build_script_build::main::h0d1aed87e72a31e2 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:42 [INFO] [stderr] 31: 0x55e6591a497b - core::ops::function::FnOnce::call_once::h8e712210de3dd713 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 32: 0x55e6591a4eae - std::sys_common::backtrace::__rust_begin_short_backtrace::h824b1b848b3323c5 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 33: 0x55e6591a4361 - std::rt::lang_start::{{closure}}::h7a6a246dda4fc09b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 34: 0x55e6597990a1 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 35: 0x55e6597990a1 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 36: 0x55e6597990a1 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 37: 0x55e6597990a1 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 38: 0x55e6597990a1 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 39: 0x55e6591a4337 - std::rt::lang_start::h64702430277eb0b3 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 40: 0x55e6591a396a - main [INFO] [stderr] 41: 0x7fed47b2a0b3 - __libc_start_main [INFO] [stderr] 42: 0x55e6591a10ce - _start [INFO] [stderr] 43: 0x0 - [INFO] running `Command { std: "docker" "inspect" "400d248d0b7bb235b55cae508c6034fb67cf8448a6dc289d0867acb03126f419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "400d248d0b7bb235b55cae508c6034fb67cf8448a6dc289d0867acb03126f419", kill_on_drop: false }` [INFO] [stdout] 400d248d0b7bb235b55cae508c6034fb67cf8448a6dc289d0867acb03126f419