[INFO] crate flutter-plugins 0.3.4 is already in cache [INFO] testing flutter-plugins-0.3.4 against 1.38.0 for beta-1.39-1 [INFO] extracting crate flutter-plugins 0.3.4 into work/builds/worker-2/source [INFO] validating manifest of crates.io crate flutter-plugins 0.3.4 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate flutter-plugins 0.3.4 [INFO] finished tweaking crates.io crate flutter-plugins 0.3.4 [INFO] tweaked toml for crates.io crate flutter-plugins 0.3.4 written to work/builds/worker-2/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 1e75d4855aa66818ed653966fb7a07aaa0257f5c50c5bbc7f01e8b728a7584ca [INFO] running `"docker" "start" "-a" "1e75d4855aa66818ed653966fb7a07aaa0257f5c50c5bbc7f01e8b728a7584ca"` [INFO] [stderr] Compiling curl v0.4.25 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling unic-langid-impl v0.4.0 [INFO] [stderr] Compiling indexmap v0.4.1 [INFO] [stderr] Compiling bzip2-sys v0.1.7 [INFO] [stderr] Compiling libnghttp2-sys v0.1.2 [INFO] [stderr] Compiling curl-sys v0.4.23 [INFO] [stderr] Compiling tinyfiledialogs v3.3.9 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling locale_config v0.2.3 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling unic-locale-impl v0.4.0 [INFO] [stderr] Compiling priority-queue v0.6.0 [INFO] [stderr] Compiling unic-locale v0.4.2 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling glfw v0.28.0 [INFO] [stderr] Compiling unzip v0.1.0 [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-226be2e32a375604/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1.38.0-x86_64-unknown-linux-gnu' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.38.0-x86_64-unknown-linux-gnu` [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")', src/libcore/result.rs:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557efb3b151b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x557efb3b151b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x557efb3b151b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x557efb3b151b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x557efb3b151b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x557efb3b11f6 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x557efb3b1d76 - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stderr] at src/libstd/panicking.rs:481 [INFO] [stderr] 7: 0x557efb3b1812 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x557efb3b16f6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x557efb3d203d - core::panicking::panic_fmt::h7e9f94035af782b3 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x557efb3d2137 - core::result::unwrap_failed::hf7591c1dd9412006 [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x557efab9d792 - core::result::Result::expect::h9b967ee92c2351ff [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/result.rs:879 [INFO] [stderr] 12: 0x557efab9939b - build_script_build::main::hbb9260639d635e23 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58 [INFO] [stderr] 13: 0x557efab97d90 - std::rt::lang_start::{{closure}}::h44e039dc2fe8b839 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x557efb3b1693 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x557efb3b1693 - std::panicking::try::do_call::h9440ccd4dc467eaa [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x557efb3ba3aa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x557efb3b225d - std::panicking::try::hc046e7ee42ee744f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x557efb3b225d - std::panic::catch_unwind::h27dfc457c200aee0 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x557efb3b225d - std::rt::lang_start_internal::hea1b49a567afe309 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x557efab97d69 - std::rt::lang_start::h8cff3c8604cf93f6 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x557efab9a57a - main [INFO] [stderr] 22: 0x7f08cf09cb97 - __libc_start_main [INFO] [stderr] 23: 0x557efab93d4a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "1e75d4855aa66818ed653966fb7a07aaa0257f5c50c5bbc7f01e8b728a7584ca"` [INFO] running `"docker" "rm" "-f" "1e75d4855aa66818ed653966fb7a07aaa0257f5c50c5bbc7f01e8b728a7584ca"` [INFO] [stdout] 1e75d4855aa66818ed653966fb7a07aaa0257f5c50c5bbc7f01e8b728a7584ca