[INFO] updating cached repository 999eagle/openbook-desktop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/999eagle/openbook-desktop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/999eagle/openbook-desktop" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/999eagle/openbook-desktop"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/999eagle/openbook-desktop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/999eagle/openbook-desktop" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/999eagle/openbook-desktop"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/999eagle/openbook-desktop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d72ccc52e40556ece8c7e97d9a46ec49bdd6cb3c
[INFO] sha for GitHub repo 999eagle/openbook-desktop: d72ccc52e40556ece8c7e97d9a46ec49bdd6cb3c
[INFO] validating manifest of 999eagle/openbook-desktop on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 999eagle/openbook-desktop on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 999eagle/openbook-desktop
[INFO] finished frobbing 999eagle/openbook-desktop
[INFO] frobbed toml for 999eagle/openbook-desktop written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/999eagle/openbook-desktop/Cargo.toml
[INFO] started frobbing 999eagle/openbook-desktop
[INFO] finished frobbing 999eagle/openbook-desktop
[INFO] frobbed toml for 999eagle/openbook-desktop written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/999eagle/openbook-desktop/Cargo.toml
[INFO] crate 999eagle/openbook-desktop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 999eagle/openbook-desktop against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-0/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/999eagle/openbook-desktop:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6c3099feb2d5234334e7cd57e5723f844c99244646f49ac6ca4a6fab09155986
[INFO] running `"docker" "start" "-a" "6c3099feb2d5234334e7cd57e5723f844c99244646f49ac6ca4a6fab09155986"`
[INFO] [stderr]    Compiling transformation-pipeline v0.1.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]     Checking fern v0.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling winres v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.2
[INFO] [stderr]    Compiling cargo_toml v0.6.4
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking glfw v0.25.1
[INFO] [stderr]    Compiling unzip v0.1.0
[INFO] [stderr]     Checking flutter-engine v0.2.0 (https://github.com/999eagle/flutter-rs.git#a1e1f1ca)
[INFO] [stderr]    Compiling curl v0.4.20
[INFO] [stderr]    Compiling flutter-download v0.1.0 (https://github.com/999eagle/flutter-rs.git?branch=patch-target-cross-compile#85ec2bf2)
[INFO] [stderr]    Compiling openbook-desktop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `openbook-desktop v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/openbook-desktop-f07319edf9dd599a/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Downloading flutter engine
[INFO] [stderr] Downloading flutter engine 0 of 0
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5616124bc433 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5616124b7e8b - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5616124bb0b6 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5616124bae49 - std::panicking::default_hook::hcd452a911bf63096
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5616124bb7bf - std::panicking::rust_panic_with_hook::hf6a2e8487a670340
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5616124bb341 - std::panicking::continue_panic_fmt::h12123d2ede034222
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5616124bb225 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5616124d778c - core::panicking::panic_fmt::h613654198c33a339
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5616121c5a47 - core::result::unwrap_failed::hf68e97d7cad644be
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x5616121c6d0f - core::result::Result<T,E>::unwrap::h871e28d49e7b61c4
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x5616121ac3ac - flutter_download::download_to::{{closure}}::ha7063336eff10223
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/flutter-rs-0e42339319958123/85ec2bf/flutter-download/src/lib.rs:70
[INFO] [stderr]   11:     0x5616121cf79f - std::sys_common::backtrace::__rust_begin_short_backtrace::hc96921c98b40b3d5
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/sys_common/backtrace.rs:136
[INFO] [stderr]   12:     0x5616121cae62 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he580f3e293144426
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/thread/mod.rs:469
[INFO] [stderr]   13:     0x5616121b8722 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he19995785feebb3f
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/panic.rs:309
[INFO] [stderr]   14:     0x5616121b0536 - std::panicking::try::do_call::h2dd72ea52fd7b34b
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/panicking.rs:293
[INFO] [stderr]   15:     0x5616124c3fb9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   16:     0x5616121b037f - std::panicking::try::habba0e5c45cf4584
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/panicking.rs:272
[INFO] [stderr]   17:     0x5616121b9f42 - std::panic::catch_unwind::h9bd349369af3dcb2
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x5616121cac4d - std::thread::Builder::spawn_unchecked::{{closure}}::h3a92e1cc99c5eaaf
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/thread/mod.rs:468
[INFO] [stderr]   19:     0x5616121b4683 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha76cafdb689654fd
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libcore/ops/function.rs:231
[INFO] [stderr]   20:     0x5616124ade4e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1801059bea166cb2
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/liballoc/boxed.rs:704
[INFO] [stderr]   21:     0x5616124c366f - std::sys::unix::thread::Thread::new::thread_start::hc953650810897bee
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/liballoc/boxed.rs:704
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stderr]   22:     0x7f95f369a4a3 - start_thread
[INFO] [stderr]   23:     0x7f95f31c5d0e - __clone
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] thread 'main' panicked at 'Cannot copy libflutter_engine.so: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5616124bc433 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5616124b7e8b - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5616124bb0b6 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5616124bae49 - std::panicking::default_hook::hcd452a911bf63096
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5616124bb7bf - std::panicking::rust_panic_with_hook::hf6a2e8487a670340
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5616124bb341 - std::panicking::continue_panic_fmt::h12123d2ede034222
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5616124bb225 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5616124d778c - core::panicking::panic_fmt::h613654198c33a339
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x56161215e7d6 - core::result::unwrap_failed::ha0ab5e501ad0d4ea
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x561612122e46 - core::result::Result<T,E>::expect::haaf8ad3537289414
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libcore/result.rs:827
[INFO] [stderr]   10:     0x561612105d2b - build_script_build::main::haf8dd22da58727bc
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:76
[INFO] [stderr]   11:     0x5616120f991f - std::rt::lang_start::{{closure}}::ha5b610a05b0eaea8
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x5616124bb1c2 - std::panicking::try::do_call::hcd6e20d3f55d90f4
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x5616124c3fb9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x5616124bbd8c - std::rt::lang_start_internal::h785c82e60cb8195f
[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:     0x5616120f98f8 - std::rt::lang_start::hc18f20cda421e5e6
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x56161210e339 - main
[INFO] [stderr]   17:     0x7f95f30fd2e0 - __libc_start_main
[INFO] [stderr]   18:     0x5616120b8049 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "6c3099feb2d5234334e7cd57e5723f844c99244646f49ac6ca4a6fab09155986"`
[INFO] running `"docker" "rm" "-f" "6c3099feb2d5234334e7cd57e5723f844c99244646f49ac6ca4a6fab09155986"`
[INFO] [stdout] 6c3099feb2d5234334e7cd57e5723f844c99244646f49ac6ca4a6fab09155986