[INFO] fetching crate flutter-engine 0.3.5...
[INFO] checking flutter-engine-0.3.5 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate flutter-engine 0.3.5 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flutter-engine 0.3.5
[INFO] finished tweaking crates.io crate flutter-engine 0.3.5
[INFO] tweaked toml for crates.io crate flutter-engine 0.3.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 186 packages to latest compatible versions
[INFO] [stderr]       Adding gl v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding glfw v0.28.0 (available: v0.59.0)
[INFO] [stderr]       Adding locale_config v0.2.3 (available: v0.3.0)
[INFO] [stderr]       Adding priority-queue v0.6.0 (available: v2.1.1)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.41.1)
[INFO] [stderr]       Adding unic-locale v0.4.2 (available: v0.9.5)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f2223174cde99ba03ab38dd68bcb3db4362e7c52750eccc5ba5af93c8348d40
[INFO] running `Command { std: "docker" "start" "-a" "2f2223174cde99ba03ab38dd68bcb3db4362e7c52750eccc5ba5af93c8348d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f2223174cde99ba03ab38dd68bcb3db4362e7c52750eccc5ba5af93c8348d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2223174cde99ba03ab38dd68bcb3db4362e7c52750eccc5ba5af93c8348d40", kill_on_drop: false }`
[INFO] [stdout] 2f2223174cde99ba03ab38dd68bcb3db4362e7c52750eccc5ba5af93c8348d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30fe6c4fe923551acb96819709185b051652037eab0e562240f863f384ade043
[INFO] running `Command { std: "docker" "start" "-a" "30fe6c4fe923551acb96819709185b051652037eab0e562240f863f384ade043", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.10+1.61.0
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling curl-sys v0.4.78+curl-8.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling transformation-pipeline v0.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling unzip v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.23
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling glfw-sys v3.3.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking unic-langid-impl v0.4.0
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking unic-locale-impl v0.4.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking serde v1.0.215
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]     Checking unic-locale v0.4.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking priority-queue v0.6.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling flutter-download v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]     Checking glfw v0.28.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking locale_config v0.2.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling flutter-engine-sys v0.3.5
[INFO] [stderr] error: failed to run custom build command for `flutter-engine-sys v0.3.5`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/flutter-engine-sys-2564deb45f8cc30a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain '31561a63598a0f21fc74c024747ef1310fdd2eb2'.
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr]   Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing)
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flutter-engine-sys-0.3.5/build.rs:58:41:
[INFO] [stderr]   Cannot get flutter engine version: InvalidFlutterRoot("output empty")
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56b9cd4ef88a - std::backtrace_rs::backtrace::libunwind::trace::h49438d59a450c8cd
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x56b9cd4ef88a - std::backtrace_rs::backtrace::trace_unsynchronized::h00f8204a39c7607d
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56b9cd4ef88a - std::sys::backtrace::_print_fmt::hfb4570bcf6575231
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x56b9cd4ef88a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::haa24b3ebc15b8405
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56b9cd5180e3 - core::fmt::rt::Argument::fmt::h640632ca911b1954
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x56b9cd5180e3 - core::fmt::write::hd87dd4a80fd6ed54
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x56b9cd4ec3f3 - std::io::Write::write_fmt::h63c69be3cb79728d
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x56b9cd4ef6d2 - std::sys::backtrace::BacktraceLock::print::h0cabd5ee17b200b1
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x56b9cd4f069c - std::panicking::default_hook::{{closure}}::hfecf31e00fd6a324
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x56b9cd4f04e2 - std::panicking::default_hook::h4b1c6fd76f5e43f2
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x56b9cd4f0cd7 - std::panicking::rust_panic_with_hook::h43e69ada3ffc0134
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x56b9cd4f0b6a - std::panicking::begin_panic_handler::{{closure}}::h541e54997b7f9317
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x56b9cd4efd69 - std::sys::backtrace::__rust_end_short_backtrace::h77e9f2cf7d6f5724
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x56b9cd4f07fc - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x56b9cd516430 - core::panicking::panic_fmt::h8656b4a1ebe7eef6
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/panicking.rs:76:14
[INFO] [stderr]     15:     0x56b9cd5168b6 - core::result::unwrap_failed::h13ba27ea4a565776
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/result.rs:1699:5
[INFO] [stderr]     16:     0x56b9ccfe35ec - core::result::Result<T,E>::expect::h220257407372559a
[INFO] [stderr]     17:     0x56b9ccfe650c - build_script_build::main::h85dccb8b2c9fdfb3
[INFO] [stderr]     18:     0x56b9ccfe2c93 - core::ops::function::FnOnce::call_once::h88319baf3cc2a578
[INFO] [stderr]     19:     0x56b9ccfe0096 - std::sys::backtrace::__rust_begin_short_backtrace::hb8d92877603f640c
[INFO] [stderr]     20:     0x56b9ccfe0079 - std::rt::lang_start::{{closure}}::h4b28bcb19ceeb436
[INFO] [stderr]     21:     0x56b9cd4e6e17 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5de4a2bf18b34b48
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x56b9cd4e6e17 - std::panicking::try::do_call::h18e58ebf513e1dfb
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     23:     0x56b9cd4e6e17 - std::panicking::try::hd66d4cce67b2d3a6
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     24:     0x56b9cd4e6e17 - std::panic::catch_unwind::h7d20459bfb46fa18
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panic.rs:358:14
[INFO] [stderr]     25:     0x56b9cd4e6e17 - std::rt::lang_start_internal::{{closure}}::h08530640535ea25a
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/rt.rs:174:48
[INFO] [stderr]     26:     0x56b9cd4e6e17 - std::panicking::try::do_call::hef1d5032756af4de
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     27:     0x56b9cd4e6e17 - std::panicking::try::h72abeda96f937582
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     28:     0x56b9cd4e6e17 - std::panic::catch_unwind::hff9195ddaed64075
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panic.rs:358:14
[INFO] [stderr]     29:     0x56b9cd4e6e17 - std::rt::lang_start_internal::h506b703bddcb88cd
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/rt.rs:174:20
[INFO] [stderr]     30:     0x56b9ccfe0057 - std::rt::lang_start::hf372bf3847c46d33
[INFO] [stderr]     31:     0x56b9ccfe71a5 - main
[INFO] [stderr]     32:     0x72b6b6326d90 - <unknown>
[INFO] [stderr]     33:     0x72b6b6326e40 - __libc_start_main
[INFO] [stderr]     34:     0x56b9ccfdf975 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "30fe6c4fe923551acb96819709185b051652037eab0e562240f863f384ade043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fe6c4fe923551acb96819709185b051652037eab0e562240f863f384ade043", kill_on_drop: false }`
[INFO] [stdout] 30fe6c4fe923551acb96819709185b051652037eab0e562240f863f384ade043
