[INFO] crate flutter-engine 0.3.5 is already in cache [INFO] checking flutter-engine-0.3.5 against try#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410 [INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate flutter-engine 0.3.5 on toolchain e6563ac70cbfd3196492061900e9e9793e065e4d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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] 2117162fe2a82de9f745a44bcf2e1209f0d7dcd142412fc58119fed810a2e8bf [INFO] running `"docker" "start" "-a" "2117162fe2a82de9f745a44bcf2e1209f0d7dcd142412fc58119fed810a2e8bf"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling curl v0.4.25 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling bindgen v0.50.1 [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 libnghttp2-sys v0.1.2 [INFO] [stderr] Compiling bzip2-sys v0.1.7 [INFO] [stderr] Compiling curl-sys v0.4.26 [INFO] [stderr] Compiling glfw-sys v3.3.2 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Checking locale_config v0.2.3 [INFO] [stderr] Checking unic-locale-impl v0.4.0 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Checking unic-locale v0.4.2 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking priority-queue v0.6.0 [INFO] [stderr] Checking semver v0.2.3 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking glfw v0.28.0 [INFO] [stderr] Checking serde_json v1.0.48 [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-e4de19522275f5e8/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain 'e6563ac70cbfd3196492061900e9e9793e065e4d' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain e6563ac70cbfd3196492061900e9e9793e065e4d` [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: 0x5597e49fcf34 - backtrace::backtrace::libunwind::trace::he39e545812a59904 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5597e49fcf34 - backtrace::backtrace::trace_unsynchronized::h596715026eee51e4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5597e49fcf34 - std::sys_common::backtrace::_print_fmt::h196d06c568d25b0f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5597e49fcf34 - ::fmt::h048b813869065926 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5597e4a2399c - core::fmt::write::ha16925aac835833d [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x5597e49f91b7 - std::io::Write::write_fmt::h95bfea655590af11 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x5597e49ff635 - std::sys_common::backtrace::_print::hcba28209f038ef57 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5597e49ff635 - std::sys_common::backtrace::print::h2707f659204ba9a7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5597e49ff635 - std::panicking::default_hook::{{closure}}::h73b31e76262b5189 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x5597e49ff376 - std::panicking::default_hook::hca9d9cd32a0cdf06 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x5597e49ffc92 - std::panicking::rust_panic_with_hook::h211e519d8a1287b1 [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x5597e49ff87b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x5597e4a21f51 - core::panicking::panic_fmt::h431de662476685d8 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5597e4a21d73 - core::option::expect_none_failed::hc181fad86cb359f0 [INFO] [stderr] at src/libcore/option.rs:1211 [INFO] [stderr] 14: 0x5597e42de336 - core::result::Result::expect::h84ef7d55b27848f4 [INFO] [stderr] at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libcore/result.rs:961 [INFO] [stderr] 15: 0x5597e42da883 - build_script_build::main::h1d78f6de9896773b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58 [INFO] [stderr] 16: 0x5597e42d8ceb - std::rt::lang_start::{{closure}}::h7a4e86cf9541330b [INFO] [stderr] at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5597e49ff753 - std::rt::lang_start_internal::{{closure}}::hf6d1163571f93f94 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5597e49ff753 - std::panicking::try::do_call::h7a8ec0b8e0eb339e [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x5597e4a087d7 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x5597e4a00209 - std::panicking::try::h297151113815fa59 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x5597e4a00209 - std::panic::catch_unwind::h73283fb286521b23 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5597e4a00209 - std::rt::lang_start_internal::h7ec9065b4aa80248 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x5597e42d8cc7 - std::rt::lang_start::h95fa40afd1614314 [INFO] [stderr] at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x5597e42db57a - main [INFO] [stderr] 25: 0x7f425eb75b97 - __libc_start_main [INFO] [stderr] 26: 0x5597e42d555a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "2117162fe2a82de9f745a44bcf2e1209f0d7dcd142412fc58119fed810a2e8bf"` [INFO] running `"docker" "rm" "-f" "2117162fe2a82de9f745a44bcf2e1209f0d7dcd142412fc58119fed810a2e8bf"` [INFO] [stdout] 2117162fe2a82de9f745a44bcf2e1209f0d7dcd142412fc58119fed810a2e8bf