[INFO] fetching crate flutter-engine-sys 0.3.5... [INFO] testing flutter-engine-sys-0.3.5 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate flutter-engine-sys 0.3.5 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate flutter-engine-sys 0.3.5 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate flutter-engine-sys 0.3.5 [INFO] finished tweaking crates.io crate flutter-engine-sys 0.3.5 [INFO] tweaked toml for crates.io crate flutter-engine-sys 0.3.5 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5084e20ea312ec2f4a6527dcef53bcb0e6a190aff1376f64a0c160662fd1d9cb [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" "5084e20ea312ec2f4a6527dcef53bcb0e6a190aff1376f64a0c160662fd1d9cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5084e20ea312ec2f4a6527dcef53bcb0e6a190aff1376f64a0c160662fd1d9cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5084e20ea312ec2f4a6527dcef53bcb0e6a190aff1376f64a0c160662fd1d9cb", kill_on_drop: false }` [INFO] [stdout] 5084e20ea312ec2f4a6527dcef53bcb0e6a190aff1376f64a0c160662fd1d9cb [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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f943b53363e1a2bf01598b967adf4d9df75cf184cd6afbebc86d22920bc22f2 [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" "9f943b53363e1a2bf01598b967adf4d9df75cf184cd6afbebc86d22920bc22f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling curl v0.4.31 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling libnghttp2-sys v0.1.4+1.41.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling curl-sys v0.4.33+curl-7.71.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling flutter-download v0.3.5 [INFO] [stderr] Compiling flutter-engine-sys v0.3.5 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `flutter-engine-sys v0.3.5 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/flutter-engine-sys-07399bfa90491c13/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '03a1ea71b075ab964b5278bc6e74cd6c52c36ee0' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0` [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")', build.rs:58:41 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d7350a90b5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55d7350a90b5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55d7350a90b5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55d7350a90b5 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55d7350d3f2c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55d7350a5342 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x55d7350ab730 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55d7350ab730 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55d7350ab730 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55d7350ab47c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55d7350abd73 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55d7350ab96b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x55d7350d25e1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55d7350d2403 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x55d734a2d3fd - core::result::Result::expect::h1ea8da8b5fab8d46 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/result.rs:963 [INFO] [stderr] 15: 0x55d734a290e6 - build_script_build::main::h0d7ab378b0ef0c00 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:58 [INFO] [stderr] 16: 0x55d734a2852b - std::rt::lang_start::{{closure}}::h11dcfc7983573371 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55d7350ac213 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55d7350ac213 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x55d7350ac213 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x55d7350ac213 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55d7350ac213 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55d734a28507 - std::rt::lang_start::hdbb024a583055046 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55d734a29dba - main [INFO] [stderr] 24: 0x7faeaf9af0b3 - __libc_start_main [INFO] [stderr] 25: 0x55d734a241ae - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "9f943b53363e1a2bf01598b967adf4d9df75cf184cd6afbebc86d22920bc22f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f943b53363e1a2bf01598b967adf4d9df75cf184cd6afbebc86d22920bc22f2", kill_on_drop: false }` [INFO] [stdout] 9f943b53363e1a2bf01598b967adf4d9df75cf184cd6afbebc86d22920bc22f2