[INFO] crate flutter-engine 0.3.5 is already in cache [INFO] checking flutter-engine-0.3.5 against try#3738e44c8fffe9e1fdfda9304a4df74ce7b29152 for pr-68746 [INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate flutter-engine 0.3.5 on toolchain 3738e44c8fffe9e1fdfda9304a4df74ce7b29152 [INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "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-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "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] 770f456c5fb4e865c0571e48098c169935bf362122640b1081d14730bfe8356f [INFO] running `"docker" "start" "-a" "770f456c5fb4e865c0571e48098c169935bf362122640b1081d14730bfe8356f"` [INFO] [stderr] Compiling podio v0.1.6 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Checking unic-langid-impl v0.4.0 [INFO] [stderr] Checking indexmap v0.4.1 [INFO] [stderr] Compiling curl-sys v0.4.25 [INFO] [stderr] Checking semver v0.2.3 [INFO] [stderr] Compiling glfw-sys v3.3.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling socket2 v0.3.11 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling libnghttp2-sys v0.1.2 [INFO] [stderr] Compiling bzip2-sys v0.1.7 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Checking unic-locale-impl v0.4.0 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Checking priority-queue v0.6.0 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Checking locale_config v0.2.3 [INFO] [stderr] Checking unic-locale v0.4.2 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling zip v0.2.8 [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 v0.4.25 [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-219be896df3ec9a4/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '3738e44c8fffe9e1fdfda9304a4df74ce7b29152' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 3738e44c8fffe9e1fdfda9304a4df74ce7b29152` [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: 0x5565373ba318 - backtrace::backtrace::libunwind::trace::hcb5c3e9f7e1ea650 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5565373ba318 - backtrace::backtrace::trace_unsynchronized::h8d2cf7d7c9151b5f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5565373ba318 - std::sys_common::backtrace::_print_fmt::hb2695e112e335a40 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5565373ba318 - ::fmt::h05262518ded0159f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5565373e0d7c - core::fmt::write::h878d462cd436633c [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x5565373b6627 - std::io::Write::write_fmt::h453d7ce9b460b348 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x5565373bc9f5 - std::sys_common::backtrace::_print::hef41b6dbad001e1b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5565373bc9f5 - std::sys_common::backtrace::print::hd911be6dd5db9f65 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5565373bc9f5 - std::panicking::default_hook::{{closure}}::h6763d82d5ad21342 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x5565373bc736 - std::panicking::default_hook::h7e0514c335de079d [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x5565373bd052 - std::panicking::rust_panic_with_hook::h0dae373da0837fa4 [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x5565373bcc3b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x5565373df2d1 - core::panicking::panic_fmt::h875be34c31f269b6 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5565373df0f3 - core::option::expect_none_failed::h4adaad03accdb0f7 [INFO] [stderr] at src/libcore/option.rs:1199 [INFO] [stderr] 14: 0x556536c744aa - core::result::Result::expect::h2fce5622b97599a0 [INFO] [stderr] at /rustc/3738e44c8fffe9e1fdfda9304a4df74ce7b29152/src/libcore/result.rs:991 [INFO] [stderr] 15: 0x556536c70899 - build_script_build::main::hc570b4149d552fca [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58 [INFO] [stderr] 16: 0x556536c6f810 - std::rt::lang_start::{{closure}}::h293b9adceab93251 [INFO] [stderr] at /rustc/3738e44c8fffe9e1fdfda9304a4df74ce7b29152/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5565373bcb13 - std::rt::lang_start_internal::{{closure}}::h241bd727d7a41adc [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5565373bcb13 - std::panicking::try::do_call::hd241df36f7b814da [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x5565373c5b27 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x5565373bd5c9 - std::panicking::try::h8a1931d0f1bb70a1 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x5565373bd5c9 - std::panic::catch_unwind::h22c6782f26e3268e [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5565373bd5c9 - std::rt::lang_start_internal::hf15683adb880b573 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x556536c6f7e9 - std::rt::lang_start::h23062f7cb2088800 [INFO] [stderr] at /rustc/3738e44c8fffe9e1fdfda9304a4df74ce7b29152/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x556536c7154a - main [INFO] [stderr] 25: 0x7f02fce7bb97 - __libc_start_main [INFO] [stderr] 26: 0x556536c6b46a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "770f456c5fb4e865c0571e48098c169935bf362122640b1081d14730bfe8356f"` [INFO] running `"docker" "rm" "-f" "770f456c5fb4e865c0571e48098c169935bf362122640b1081d14730bfe8356f"` [INFO] [stdout] 770f456c5fb4e865c0571e48098c169935bf362122640b1081d14730bfe8356f