[INFO] fetching crate flutter-engine 0.3.5...
[INFO] checking flutter-engine-0.3.5 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate flutter-engine 0.3.5 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "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: v0.58.0)
[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: v1.41.0)
[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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54528d3eded36cc0c57c30b6c9ba223ab8f1dc12791ea8a367e20dc64d7cddad
[INFO] running `Command { std: "docker" "start" "-a" "54528d3eded36cc0c57c30b6c9ba223ab8f1dc12791ea8a367e20dc64d7cddad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54528d3eded36cc0c57c30b6c9ba223ab8f1dc12791ea8a367e20dc64d7cddad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54528d3eded36cc0c57c30b6c9ba223ab8f1dc12791ea8a367e20dc64d7cddad", kill_on_drop: false }`
[INFO] [stdout] 54528d3eded36cc0c57c30b6c9ba223ab8f1dc12791ea8a367e20dc64d7cddad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7898203aec3c0d974d8290d94097be2368cd37df3ff920e2e87724066ca037e4
[INFO] running `Command { std: "docker" "start" "-a" "7898203aec3c0d974d8290d94097be2368cd37df3ff920e2e87724066ca037e4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.10+1.61.0
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling curl-sys v0.4.77+curl-8.10.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling transformation-pipeline v0.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling unzip v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling glfw-sys v3.3.5
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking unic-langid-impl v0.4.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking unic-locale-impl v0.4.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]     Checking unic-locale v0.4.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling flutter-download v0.3.5
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking priority-queue v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking glfw v0.28.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking locale_config v0.2.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking serde v1.0.214
[INFO] [stderr]    Compiling flutter-engine-sys v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.132
[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-a5f3c57cba46f9e3/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain '264a7c4a1c917c83d13895a31231f9d93c7b67e1'.
[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:     0x5d881672ff2a - std::backtrace_rs::backtrace::libunwind::trace::h33a4b5cb14f757d6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5d881672ff2a - std::backtrace_rs::backtrace::trace_unsynchronized::h20236e6e99fbf845
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5d881672ff2a - std::sys::backtrace::_print_fmt::h704a42900622727d
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5d881672ff2a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h283eae59a9b611a1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5d8816758103 - core::fmt::rt::Argument::fmt::h6c00b32d62994027
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5d8816758103 - core::fmt::write::h04a7af682e3a5030
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x5d881672c993 - std::io::Write::write_fmt::h787129c86330d3f6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x5d881672fd72 - std::sys::backtrace::BacktraceLock::print::h0ad674a5464d4d8f
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5d8816730d3c - std::panicking::default_hook::{{closure}}::habb0c364c1c20b27
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5d8816730b82 - std::panicking::default_hook::hac494c5ce8f5f3b1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5d8816731377 - std::panicking::rust_panic_with_hook::h2c87df020c0f53ac
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5d881673120a - std::panicking::begin_panic_handler::{{closure}}::hd3013344bba6ae59
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5d8816730409 - std::sys::backtrace::__rust_end_short_backtrace::haa6c749264ccc436
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5d8816730e9c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5d8816756450 - core::panicking::panic_fmt::h181fac25833ccaef
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x5d88167568d6 - core::result::unwrap_failed::h0deac9f8338a6801
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/result.rs:1698:5
[INFO] [stderr]     16:     0x5d881622689c - core::result::Result<T,E>::expect::h1d7c81dbf7b5a00f
[INFO] [stderr]     17:     0x5d881622989c - build_script_build::main::h4ccbd1ba72d1bba3
[INFO] [stderr]     18:     0x5d8816226323 - core::ops::function::FnOnce::call_once::h699b2723a8fddfa9
[INFO] [stderr]     19:     0x5d8816223426 - std::sys::backtrace::__rust_begin_short_backtrace::he6139eacd9ed50ff
[INFO] [stderr]     20:     0x5d8816226f29 - std::rt::lang_start::{{closure}}::h9041f53aa7e09d85
[INFO] [stderr]     21:     0x5d8816727a97 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7866e7c14eb62dd7
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x5d8816727a97 - std::panicking::try::do_call::h61717c7d0356fae2
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:557:40
[INFO] [stderr]     23:     0x5d8816727a97 - std::panicking::try::h37605684fa1e1290
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:520:19
[INFO] [stderr]     24:     0x5d8816727a97 - std::panic::catch_unwind::h8ee9a8d09b7b2992
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panic.rs:358:14
[INFO] [stderr]     25:     0x5d8816727a97 - std::rt::lang_start_internal::{{closure}}::h752ec735c0d502db
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/rt.rs:174:48
[INFO] [stderr]     26:     0x5d8816727a97 - std::panicking::try::do_call::h38bf770a6697f52c
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:557:40
[INFO] [stderr]     27:     0x5d8816727a97 - std::panicking::try::hd0d07cc7cb0d5575
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:520:19
[INFO] [stderr]     28:     0x5d8816727a97 - std::panic::catch_unwind::h589925d957b4a61b
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panic.rs:358:14
[INFO] [stderr]     29:     0x5d8816727a97 - std::rt::lang_start_internal::h426cd8bc95b4b634
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/rt.rs:174:20
[INFO] [stderr]     30:     0x5d8816226f07 - std::rt::lang_start::h9e7747f72afd8647
[INFO] [stderr]     31:     0x5d881622a535 - main
[INFO] [stderr]     32:     0x741cb1cf9d90 - <unknown>
[INFO] [stderr]     33:     0x741cb1cf9e40 - __libc_start_main
[INFO] [stderr]     34:     0x5d8816222d65 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7898203aec3c0d974d8290d94097be2368cd37df3ff920e2e87724066ca037e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7898203aec3c0d974d8290d94097be2368cd37df3ff920e2e87724066ca037e4", kill_on_drop: false }`
[INFO] [stdout] 7898203aec3c0d974d8290d94097be2368cd37df3ff920e2e87724066ca037e4
