[INFO] updating cached repository https://github.com/999eagle/openbook-desktop
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d72ccc52e40556ece8c7e97d9a46ec49bdd6cb3c
[INFO] checking 999eagle/openbook-desktop against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F999eagle%2Fopenbook-desktop" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/999eagle/openbook-desktop on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/999eagle/openbook-desktop
[INFO] finished tweaking git repo https://github.com/999eagle/openbook-desktop
[INFO] tweaked toml for git repo https://github.com/999eagle/openbook-desktop written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/999eagle/openbook-desktop already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb406325ccb159197a2b9e8f5506b8a75f49d5bdf6fbb01236c7eeb4a43c6204
[INFO] running `"docker" "start" "-a" "bb406325ccb159197a2b9e8f5506b8a75f49d5bdf6fbb01236c7eeb4a43c6204"`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling transformation-pipeline v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.2.1
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]     Checking fern v0.5.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling winres v0.1.9
[INFO] [stderr]    Compiling unzip v0.1.0
[INFO] [stderr]     Checking glfw v0.25.1
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking tokio v0.1.18
[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 cargo_toml v0.6.4
[INFO] [stderr]     Checking flutter-engine v0.2.0 (https://github.com/999eagle/flutter-rs.git#a1e1f1ca)
[INFO] [stderr]    Compiling openbook-desktop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `openbook-desktop v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/openbook-desktop-548403cb0dc2815b/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" }', /opt/rustwide/cargo-home/git/checkouts/flutter-rs-0e42339319958123/85ec2bf/flutter-download/src/lib.rs:70:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562880f04024 - backtrace::backtrace::libunwind::trace::hcdd38e03c5c0ae1d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x562880f04024 - backtrace::backtrace::trace_unsynchronized::he5bd7c616dadfd7d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562880f04024 - std::sys_common::backtrace::_print_fmt::h5c76d4ca71f55821
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x562880f04024 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2c8c63d62d7bea1c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x562880f2f58c - core::fmt::write::h97d981a565c87982
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x562880effd33 - std::io::Write::write_fmt::h76b54795ca4d1941
[INFO] [stderr]                                at src/libstd/io/mod.rs:1439
[INFO] [stderr]    6:     0x562880f068b5 - std::sys_common::backtrace::_print::h93fb2909159290d7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x562880f068b5 - std::sys_common::backtrace::print::ha755c3134746c2d0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x562880f068b5 - std::panicking::default_hook::{{closure}}::h3a7ab24b109d5437
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x562880f065f2 - std::panicking::default_hook::h2aa3c18a39936382
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x562880f06f12 - std::panicking::rust_panic_with_hook::h5035e60b675c5c99
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x562880f06afb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x562880f2dfb1 - core::panicking::panic_fmt::h7fe09dc6d8aa54c4
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x562880f2ddd3 - core::option::expect_none_failed::h294957c8cca982d9
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x562880c8af20 - core::result::Result<T,E>::unwrap::h3bc4258a2c2caaf9
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x562880c883a1 - flutter_download::download_to::{{closure}}::he4b6de3b779541ec
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/flutter-rs-0e42339319958123/85ec2bf/flutter-download/src/lib.rs:70
[INFO] [stderr]   16:     0x562880ca0202 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc2d98b7eecd0fe0d
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x562880c9bb83 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2b19234153c5e14
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x562880c81341 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h94ea6b18420454bd
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x562880c9bde4 - std::panicking::try::do_call::h3ce3a45f7dfa008b
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/panicking.rs:331
[INFO] [stderr]   20:     0x562880c9db3d - __rust_try
[INFO] [stderr]   21:     0x562880c9bd04 - std::panicking::try::he2ed00f442b92939
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/panicking.rs:274
[INFO] [stderr]   22:     0x562880c81de3 - std::panic::catch_unwind::h4f51546403a130fa
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x562880c9b977 - std::thread::Builder::spawn_unchecked::{{closure}}::h34cfeb1b0e508abf
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x562880ca3d4f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb0a3d8a8ea0efeac
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/ops/function.rs:232
[INFO] [stderr]   25:     0x562880ef9caf - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h0125fb8449617e8e
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/liballoc/boxed.rs:1008
[INFO] [stderr]   26:     0x562880f0eb93 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h54cf67aadcb0c7ef
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/liballoc/boxed.rs:1008
[INFO] [stderr]   27:     0x562880f0eb93 - std::sys::unix::thread::Thread::new::thread_start::h7b7ac7c277b0d963
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7ff15418c6db - start_thread
[INFO] [stderr]   29:     0x7ff153c9d88f - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] thread 'main' panicked at 'Cannot copy libflutter_engine.so: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:76:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562880f04024 - backtrace::backtrace::libunwind::trace::hcdd38e03c5c0ae1d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x562880f04024 - backtrace::backtrace::trace_unsynchronized::he5bd7c616dadfd7d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562880f04024 - std::sys_common::backtrace::_print_fmt::h5c76d4ca71f55821
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x562880f04024 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2c8c63d62d7bea1c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x562880f2f58c - core::fmt::write::h97d981a565c87982
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x562880effd33 - std::io::Write::write_fmt::h76b54795ca4d1941
[INFO] [stderr]                                at src/libstd/io/mod.rs:1439
[INFO] [stderr]    6:     0x562880f068b5 - std::sys_common::backtrace::_print::h93fb2909159290d7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x562880f068b5 - std::sys_common::backtrace::print::ha755c3134746c2d0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x562880f068b5 - std::panicking::default_hook::{{closure}}::h3a7ab24b109d5437
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x562880f065f2 - std::panicking::default_hook::h2aa3c18a39936382
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x562880f06f12 - std::panicking::rust_panic_with_hook::h5035e60b675c5c99
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x562880f06afb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x562880f2dfb1 - core::panicking::panic_fmt::h7fe09dc6d8aa54c4
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x562880f2ddd3 - core::option::expect_none_failed::h294957c8cca982d9
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x562880c1f4a7 - core::result::Result<T,E>::expect::hc705a11262b3aeab
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x562880c0c951 - build_script_build::main::h3ce338fb62984c91
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:76
[INFO] [stderr]   16:     0x562880c07fdb - std::rt::lang_start::{{closure}}::h45e1ca45952b832a
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x562880f07428 - std::rt::lang_start_internal::{{closure}}::h749f73f80f2a20f1
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x562880f07428 - std::panicking::try::do_call::h34ae69cab909f7d2
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x562880f07428 - std::panicking::try::he6d9ae6f665ea78e
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x562880f07428 - std::panic::catch_unwind::hb821659e1ed61148
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x562880f07428 - std::rt::lang_start_internal::hc7231d8ca9ca0aea
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x562880c07fb7 - std::rt::lang_start::he909fb79b5bbae1f
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x562880c1276a - main
[INFO] [stderr]   24:     0x7ff153b9db97 - __libc_start_main
[INFO] [stderr]   25:     0x562880bd2d1a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bb406325ccb159197a2b9e8f5506b8a75f49d5bdf6fbb01236c7eeb4a43c6204"`
[INFO] running `"docker" "rm" "-f" "bb406325ccb159197a2b9e8f5506b8a75f49d5bdf6fbb01236c7eeb4a43c6204"`
[INFO] [stdout] bb406325ccb159197a2b9e8f5506b8a75f49d5bdf6fbb01236c7eeb4a43c6204