[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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/999eagle/openbook-desktop"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/999eagle/openbook-desktop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/999eagle/openbook-desktop" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/999eagle/openbook-desktop"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 999eagle/openbook-desktop on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking 999eagle/openbook-desktop against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-2/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 24e9976e6ae2399870529bf06c3c6a811f95b94505942eb26c8644c68559d67a
[INFO] running `"docker" "start" "-a" "24e9976e6ae2399870529bf06c3c6a811f95b94505942eb26c8644c68559d67a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling transformation-pipeline v0.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[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 glfw-sys v3.2.2
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling winres v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]     Checking block-modes v0.3.2
[INFO] [stderr]    Compiling cargo_toml v0.6.4
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling unzip v0.1.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking glfw v0.25.1
[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-2a7de7f026487eb1/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:     0x555b65a07583 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hccbe8d45d7484fda
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x555b65a02fdb - std::sys_common::backtrace::_print::h59087b8c7775eb90
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x555b65a06206 - std::panicking::default_hook::{{closure}}::h32749f0e2c293c0c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x555b65a05f9b - std::panicking::default_hook::h550715cdd86b36ad
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x555b65a0690f - std::panicking::rust_panic_with_hook::hcf0daecbf39921f5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x555b65a06491 - std::panicking::continue_panic_fmt::ha5d9448e58fe5b5c
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x555b65a06375 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x555b65a22aac - core::panicking::panic_fmt::h3e51accd26be5a40
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x555b6570b6a7 - core::result::unwrap_failed::h9df931e2fd53700e
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x555b6570ca7c - core::result::Result<T,E>::unwrap::h1f5835dc5b4fd8ef
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x555b656f106c - flutter_download::download_to::{{closure}}::hb3b984512f544ead
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/flutter-rs-0e42339319958123/85ec2bf/flutter-download/src/lib.rs:70
[INFO] [stderr]   11:     0x555b6571083f - std::sys_common::backtrace::__rust_begin_short_backtrace::h3eab75af9bf9e618
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/sys_common/backtrace.rs:136
[INFO] [stderr]   12:     0x555b6570a952 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb2e4967104a6735d
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/thread/mod.rs:470
[INFO] [stderr]   13:     0x555b656fd6c2 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9aa83dcee3f85043
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/panic.rs:309
[INFO] [stderr]   14:     0x555b656f2c76 - std::panicking::try::do_call::h9ac29d1c3cf6e9fc
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/panicking.rs:293
[INFO] [stderr]   15:     0x555b65a0f2b9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   16:     0x555b656f2abf - std::panicking::try::h4390b8d134a64710
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/panicking.rs:272
[INFO] [stderr]   17:     0x555b656fee42 - std::panic::catch_unwind::h67f0ab315ed58575
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x555b6570a73d - std::thread::Builder::spawn_unchecked::{{closure}}::ha3a68ea62d1d25b3
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/thread/mod.rs:469
[INFO] [stderr]   19:     0x555b656f95d3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha48e13313b47e727
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libcore/ops/function.rs:231
[INFO] [stderr]   20:     0x555b659f8e5e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h0d96a2ae3190ce5d
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/liballoc/boxed.rs:743
[INFO] [stderr]   21:     0x555b65a0e97f - std::sys::unix::thread::Thread::new::thread_start::h9a5e263d549da824
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/liballoc/boxed.rs:743
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stderr]   22:     0x7f6850cdf4a3 - start_thread
[INFO] [stderr]   23:     0x7f685080ad0e - __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:     0x555b65a07583 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hccbe8d45d7484fda
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x555b65a02fdb - std::sys_common::backtrace::_print::h59087b8c7775eb90
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x555b65a06206 - std::panicking::default_hook::{{closure}}::h32749f0e2c293c0c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x555b65a05f9b - std::panicking::default_hook::h550715cdd86b36ad
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x555b65a0690f - std::panicking::rust_panic_with_hook::hcf0daecbf39921f5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x555b65a06491 - std::panicking::continue_panic_fmt::ha5d9448e58fe5b5c
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x555b65a06375 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x555b65a22aac - core::panicking::panic_fmt::h3e51accd26be5a40
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x555b6570b6a7 - core::result::unwrap_failed::h9df931e2fd53700e
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x555b6566a763 - core::result::Result<T,E>::expect::hc86a9487cd8591fb
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libcore/result.rs:827
[INFO] [stderr]   10:     0x555b6564d478 - build_script_build::main::hefc5515ec8011442
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:76
[INFO] [stderr]   11:     0x555b6564106f - std::rt::lang_start::{{closure}}::h1c5a7302d4f2d7aa
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x555b65a06312 - std::panicking::try::do_call::h8c864a5f35670176
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x555b65a0f2b9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x555b65a06edc - std::rt::lang_start_internal::h763af17830f82761
[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:     0x555b65641048 - std::rt::lang_start::h7cd49c6ee56cf652
[INFO] [stderr]                                at /rustc/8869ee03d7f258e1b76a11c6fbb01b5708a9f504/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x555b65655ff9 - main
[INFO] [stderr]   17:     0x7f68507422e0 - __libc_start_main
[INFO] [stderr]   18:     0x555b655ff429 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "24e9976e6ae2399870529bf06c3c6a811f95b94505942eb26c8644c68559d67a"`
[INFO] running `"docker" "rm" "-f" "24e9976e6ae2399870529bf06c3c6a811f95b94505942eb26c8644c68559d67a"`
[INFO] [stdout] 24e9976e6ae2399870529bf06c3c6a811f95b94505942eb26c8644c68559d67a