[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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/999eagle/openbook-desktop"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/999eagle/openbook-desktop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/999eagle/openbook-desktop" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/999eagle/openbook-desktop"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 999eagle/openbook-desktop on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/999eagle/openbook-desktop/Cargo.toml
[INFO] crate 999eagle/openbook-desktop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 999eagle/openbook-desktop against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/999eagle/openbook-desktop:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 709461e7b378e08c2f38928d6dcfd8e51b50fd04fe30d9f544b3b1af65454d93
[INFO] running `"docker" "start" "-a" "709461e7b378e08c2f38928d6dcfd8e51b50fd04fe30d9f544b3b1af65454d93"`
[INFO] [stderr]    Compiling transformation-pipeline v0.1.0
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.5
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]     Checking fern v0.5.7
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling winres v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[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]     Checking num v0.2.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]     Checking glfw v0.25.1
[INFO] [stderr]    Compiling zip v0.2.8
[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-635494431d76198f/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:     0x55ecca62d50b - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ecca62d50b - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ecca62d50b - std::sys_common::backtrace::_print::h8e9bb00be68d4090
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ecca62d50b - std::sys_common::backtrace::print::h706192507dd9d34d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ecca62d50b - std::panicking::default_hook::{{closure}}::he2b558091ea21dea
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55ecca62d1e7 - std::panicking::default_hook::hfb9d48d2b8aaf0f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55ecca62dc80 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55ecca62d802 - std::panicking::continue_panic_fmt::h360cf8419afe0564
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55ecca62d6e6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55ecca64db5d - core::panicking::panic_fmt::h9cf93b79d5aa98c5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55ecca338518 - core::result::unwrap_failed::h50b480e068f6eeef
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55ecca339a2d - core::result::Result<T,E>::unwrap::h96f1258428fa2afc
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x55ecca31fd0d - flutter_download::download_to::{{closure}}::h299a6bffdefc9bf6
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/flutter-rs-0e42339319958123/85ec2bf/flutter-download/src/lib.rs:70
[INFO] [stderr]   13:     0x55ecca33e290 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb53bcf7f74ce4498
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]   14:     0x55ecca334cc3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h250b51e8c57e4f40
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/thread/mod.rs:470
[INFO] [stderr]   15:     0x55ecca3139d3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he98ce78a78b58a00
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/panic.rs:309
[INFO] [stderr]   16:     0x55ecca325c77 - std::panicking::try::do_call::h1ef633318fe5779e
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x55ecca635eda - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x55ecca325ac0 - std::panicking::try::h9cb3b29e3c8952e2
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x55ecca3143a3 - std::panic::catch_unwind::h7aacfe511ee8fa23
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x55ecca334aae - std::thread::Builder::spawn_unchecked::{{closure}}::hc45254a814f483dd
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/thread/mod.rs:469
[INFO] [stderr]   21:     0x55ecca3175e4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he17f8055e5cb0b32
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/ops/function.rs:231
[INFO] [stderr]   22:     0x55ecca6213bf - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6f4f77616a0c8566
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/liballoc/boxed.rs:746
[INFO] [stderr]   23:     0x55ecca635600 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3b73bdd971159c27
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/liballoc/boxed.rs:746
[INFO] [stderr]   24:     0x55ecca635600 - std::sys_common::thread::start_thread::hbb836908b047b8a8
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stderr]   25:     0x55ecca635600 - std::sys::unix::thread::Thread::new::thread_start::h71258354fd833cef
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stderr]   26:     0x7f8d9a3d64a4 - start_thread
[INFO] [stderr]   27:     0x7f8d99f01d0f - __clone
[INFO] [stderr]   28:                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:     0x55ecca62d50b - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ecca62d50b - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ecca62d50b - std::sys_common::backtrace::_print::h8e9bb00be68d4090
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ecca62d50b - std::sys_common::backtrace::print::h706192507dd9d34d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ecca62d50b - std::panicking::default_hook::{{closure}}::he2b558091ea21dea
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55ecca62d1e7 - std::panicking::default_hook::hfb9d48d2b8aaf0f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55ecca62dc80 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55ecca62d802 - std::panicking::continue_panic_fmt::h360cf8419afe0564
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55ecca62d6e6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55ecca64db5d - core::panicking::panic_fmt::h9cf93b79d5aa98c5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55ecca338518 - core::result::unwrap_failed::h50b480e068f6eeef
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55ecca2940b4 - core::result::Result<T,E>::expect::h0d68a6ebaca57482
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/result.rs:827
[INFO] [stderr]   12:     0x55ecca276e33 - build_script_build::main::hf9aa4940561cf011
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:76
[INFO] [stderr]   13:     0x55ecca273b50 - std::rt::lang_start::{{closure}}::hcc4b6c438e6b4def
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55ecca62d683 - std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55ecca62d683 - std::panicking::try::do_call::h4528fe5c5ea34ef8
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x55ecca635eda - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x55ecca62e24d - std::panicking::try::ha87d5378c5dcb863
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x55ecca62e24d - std::panic::catch_unwind::hf01b748a30fdd5ec
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x55ecca62e24d - std::rt::lang_start_internal::h9518341cf2ad1d33
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55ecca273b29 - std::rt::lang_start::hbbf38e75303ba83c
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55ecca27f95a - main
[INFO] [stderr]   22:     0x7f8d99e392e1 - __libc_start_main
[INFO] [stderr]   23:     0x55ecca228e2a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "709461e7b378e08c2f38928d6dcfd8e51b50fd04fe30d9f544b3b1af65454d93"`
[INFO] running `"docker" "rm" "-f" "709461e7b378e08c2f38928d6dcfd8e51b50fd04fe30d9f544b3b1af65454d93"`
[INFO] [stdout] 709461e7b378e08c2f38928d6dcfd8e51b50fd04fe30d9f544b3b1af65454d93