[INFO] fetching crate flutter-engine 0.3.5... [INFO] checking flutter-engine-0.3.5 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate flutter-engine 0.3.5 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d0c2e41a1c8be8faabb5cdf14648861b6c192893b232bd00a2d8f685793caab [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7d0c2e41a1c8be8faabb5cdf14648861b6c192893b232bd00a2d8f685793caab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d0c2e41a1c8be8faabb5cdf14648861b6c192893b232bd00a2d8f685793caab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d0c2e41a1c8be8faabb5cdf14648861b6c192893b232bd00a2d8f685793caab", kill_on_drop: false }` [INFO] [stdout] 7d0c2e41a1c8be8faabb5cdf14648861b6c192893b232bd00a2d8f685793caab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 54790e3af3d6948c5cff0c70073fdbf8a6bd3132a640f3a3241b40d885feaf3c [INFO] running `Command { std: "docker" "start" "-a" "54790e3af3d6948c5cff0c70073fdbf8a6bd3132a640f3a3241b40d885feaf3c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling object v0.23.0 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling podio v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking unic-langid-impl v0.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking indexmap v0.4.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unic-locale-impl v0.4.0 [INFO] [stderr] Checking semver v0.2.3 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking priority-queue v0.6.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking unic-locale v0.4.2 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling libnghttp2-sys v0.1.6+1.43.0 [INFO] [stderr] Compiling bzip2-sys v0.1.10+1.0.8 [INFO] [stderr] Compiling curl-sys v0.4.42+curl-7.76.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling glfw-sys v3.3.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling flate2 v1.0.20 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling addr2line v0.14.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling backtrace v0.3.57 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking locale_config v0.2.3 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking glfw v0.28.0 [INFO] [stderr] Compiling curl v0.4.36 [INFO] [stderr] Compiling flutter-download v0.3.5 [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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/flutter-engine-sys-93eab057a234112e/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '836c31742687ba4e2f857b5b698e1e9e6b67619c' [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 'Cannot get flutter engine version: InvalidFlutterRoot("output empty")', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58:41 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5597906687a0 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5597906687a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5597906687a0 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5597906687a0 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55979068e13f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x559790665305 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x55979066a7fb - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55979066a7fb - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55979066a7fb - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55979066a2dd - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55979066adad - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55979066a9a7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x559790668c3c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55979066a909 - rust_begin_unwind [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x559790063741 - core::panicking::panic_fmt::he3827412471ccbb1 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x559790063833 - core::result::unwrap_failed::h6e66654d198da7bd [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55979006cec0 - core::result::Result::expect::h0994092ced85bb2a [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x5597900673e1 - build_script_build::main::he4e6287344d6fbdb [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58:19 [INFO] [stderr] 18: 0x5597900668cb - core::ops::function::FnOnce::call_once::hf4fd3e3787c7d7c6 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55979006813e - std::sys_common::backtrace::__rust_begin_short_backtrace::h6f3b41ef37f86369 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x559790069111 - std::rt::lang_start::{{closure}}::h7c03e799260a43f0 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55979066b2aa - core::ops::function::impls:: for &F>::call_once::hd5953dadf0bc8f54 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55979066b2aa - std::panicking::try::do_call::h23b369f1996fb7d4 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55979066b2aa - std::panicking::try::he017ee9ed6bce192 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55979066b2aa - std::panic::catch_unwind::hbfb892340a78b30d [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55979066b2aa - std::rt::lang_start_internal::hce6e4c0ce56abb51 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5597900690f0 - std::rt::lang_start::hff914558f192fdd5 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55979006812c - main [INFO] [stderr] 28: 0x7fad1775f0b3 - __libc_start_main [INFO] [stderr] 29: 0x559790063f0e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "54790e3af3d6948c5cff0c70073fdbf8a6bd3132a640f3a3241b40d885feaf3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54790e3af3d6948c5cff0c70073fdbf8a6bd3132a640f3a3241b40d885feaf3c", kill_on_drop: false }` [INFO] [stdout] 54790e3af3d6948c5cff0c70073fdbf8a6bd3132a640f3a3241b40d885feaf3c