[INFO] crate flutter-engine 0.3.5 is already in cache [INFO] checking flutter-engine-0.3.5 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872 [INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate flutter-engine 0.3.5 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870 [INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"` [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-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] 1ad460b7b891a1e53ded0e011ce4561626af964c1e1c254d99a699ab3e08a5b4 [INFO] running `"docker" "start" "-a" "1ad460b7b891a1e53ded0e011ce4561626af964c1e1c254d99a699ab3e08a5b4"` [INFO] [stderr] Compiling podio v0.1.6 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking unic-langid-impl v0.4.0 [INFO] [stderr] Checking indexmap v0.4.1 [INFO] [stderr] Compiling bzip2-sys v0.1.8+1.0.8 [INFO] [stderr] Compiling curl-sys v0.4.30+curl-7.69.1 [INFO] [stderr] Compiling glfw-sys v3.3.2 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling libnghttp2-sys v0.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Checking unic-locale-impl v0.4.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Checking priority-queue v0.6.0 [INFO] [stderr] Checking num-complex v0.2.4 [INFO] [stderr] Checking semver v0.2.3 [INFO] [stderr] Checking locale_config v0.2.3 [INFO] [stderr] Checking unic-locale v0.4.2 [INFO] [stderr] Checking num-iter v0.1.40 [INFO] [stderr] Checking num-rational v0.2.4 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Checking glfw v0.28.0 [INFO] [stderr] Compiling curl v0.4.28 [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-be7ce70fd7d4c297/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '3ae4c050387df9f7fbb379ee90ce8bf05e566870' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870` [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:58:19 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55868f5bee14 - backtrace::backtrace::libunwind::trace::h0e3d041735dd3c36 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55868f5bee14 - backtrace::backtrace::trace_unsynchronized::hf661c3539475c479 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55868f5bee14 - std::sys_common::backtrace::_print_fmt::h7e5d3849e201f6ea [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55868f5bee14 - ::fmt::h08f9193b217d15de [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55868f5eac5c - core::fmt::write::h8f758020ef45663a [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55868f5bb1d3 - std::io::Write::write_fmt::ha2788daa3b0524bb [INFO] [stderr] at src/libstd/io/mod.rs:1439 [INFO] [stderr] 6: 0x55868f5c1605 - std::sys_common::backtrace::_print::h5d5ed42d936ac6f5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55868f5c1605 - std::sys_common::backtrace::print::h7a9fa55a14f6ae07 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55868f5c1605 - std::panicking::default_hook::{{closure}}::hdbcb496daaaedb20 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55868f5c1342 - std::panicking::default_hook::h78dd6ded32a6b9f4 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55868f5c1c62 - std::panicking::rust_panic_with_hook::hbaa57fe2fb2cee10 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55868f5c184b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x55868f5e93a1 - core::panicking::panic_fmt::h69da511deac721a1 [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x55868f5e91c3 - core::option::expect_none_failed::h0605cdd7e01868c7 [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x55868eeda785 - core::result::Result::expect::h7327cbebc0e94c10 [INFO] [stderr] at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libcore/result.rs:963 [INFO] [stderr] 15: 0x55868eed70a3 - build_script_build::main::h9d3ddd2c8b6d8036 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58 [INFO] [stderr] 16: 0x55868eed58fb - std::rt::lang_start::{{closure}}::he5d4bab1be8a3dac [INFO] [stderr] at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55868f5c2178 - std::rt::lang_start_internal::{{closure}}::h1318542af918f4c3 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55868f5c2178 - std::panicking::try::do_call::h22a55f61af97d97a [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x55868f5c2178 - std::panicking::try::h379f96f302679446 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55868f5c2178 - std::panic::catch_unwind::h0a3e332d950e369f [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55868f5c2178 - std::rt::lang_start_internal::h7e2f02b700016c99 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55868eed58d7 - std::rt::lang_start::h7076e9975e866c0e [INFO] [stderr] at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55868eed7d6a - main [INFO] [stderr] 24: 0x7fc57ebddb97 - __libc_start_main [INFO] [stderr] 25: 0x55868eed1fba - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "1ad460b7b891a1e53ded0e011ce4561626af964c1e1c254d99a699ab3e08a5b4"` [INFO] running `"docker" "rm" "-f" "1ad460b7b891a1e53ded0e011ce4561626af964c1e1c254d99a699ab3e08a5b4"` [INFO] [stdout] 1ad460b7b891a1e53ded0e011ce4561626af964c1e1c254d99a699ab3e08a5b4