[INFO] fetching crate ruduino 0.1.2...
[INFO] extracting crate ruduino 0.1.2 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/ruduino/0.1.2
[INFO] extracting crate ruduino 0.1.2 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/ruduino/0.1.2
[INFO] validating manifest of ruduino-0.1.2 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ruduino-0.1.2 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ruduino-0.1.2
[INFO] finished frobbing ruduino-0.1.2
[INFO] frobbed toml for ruduino-0.1.2 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/ruduino/0.1.2/Cargo.toml
[INFO] started frobbing ruduino-0.1.2
[INFO] finished frobbing ruduino-0.1.2
[INFO] frobbed toml for ruduino-0.1.2 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/ruduino/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded avr-mcu v0.2.6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ruduino-0.1.2 against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/ruduino/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a98f6b9f592ae67aa1d94103431d1a4c59bb10cfc6c560c982753752020de87c
[INFO] running `"docker" "start" "-a" "a98f6b9f592ae67aa1d94103431d1a4c59bb10cfc6c560c982753752020de87c"`
[INFO] [stderr]    Compiling xml-rs v0.4.1
[INFO] [stderr]    Compiling xmltree v0.4.0
[INFO] [stderr]    Compiling avr-mcu v0.2.6
[INFO] [stderr]    Compiling ruduino v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `ruduino v0.1.2 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/ruduino-8e8ae51162919ca4/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] loading pack '/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.2.6/packs/atmega/ATmega328.atdf'
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a7d7ef7ea3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h056765bf7a6b94bc
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55a7d7ef3fbb - std::sys_common::backtrace::_print::h48c5077c6bf731a6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55a7d7ef6d16 - std::panicking::default_hook::{{closure}}::h10685ecc5722a441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55a7d7ef6aa9 - std::panicking::default_hook::h962219f3c37ea293
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55a7d7ef736f - std::panicking::rust_panic_with_hook::h64946f613bc1f993
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55a7d7ef6ef1 - std::panicking::continue_panic_fmt::hf37e5663974ab49e
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55a7d7ef6dd5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55a7d7f09b6c - core::panicking::panic_fmt::hd5d962f115ecff18
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55a7d7e8d687 - core::result::unwrap_failed::h6845f714b95d0212
[INFO] [stderr]                                at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x55a7d7e39f0f - <core::result::Result<T, E>>::unwrap::hd101c30b6f505f67
[INFO] [stderr]                                at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x55a7d7e3bcc5 - build_script_build::main::h7c597be9afaaa530
[INFO] [stderr]                                at core_generator/build.rs:41
[INFO] [stderr]   11:     0x55a7d7e39cdf - std::rt::lang_start::{{closure}}::h3a0ff2eea97d2594
[INFO] [stderr]                                at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55a7d7ef6dc2 - std::panicking::try::do_call::hd4ef0f120dffc383
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55a7d7ef9d49 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x55a7d7ef787c - std::rt::lang_start_internal::ha8fe887d067baab1
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55a7d7e39cb8 - std::rt::lang_start::hcff938ead53088f1
[INFO] [stderr]                                at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55a7d7e3e6d9 - main
[INFO] [stderr]   17:     0x7f51b0ee62e0 - __libc_start_main
[INFO] [stderr]   18:     0x55a7d7e207c9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "a98f6b9f592ae67aa1d94103431d1a4c59bb10cfc6c560c982753752020de87c"`
[INFO] running `"docker" "rm" "-f" "a98f6b9f592ae67aa1d94103431d1a4c59bb10cfc6c560c982753752020de87c"`
[INFO] [stdout] a98f6b9f592ae67aa1d94103431d1a4c59bb10cfc6c560c982753752020de87c