[INFO] crate flutter-plugins 0.3.5 is already in cache [INFO] testing flutter-plugins-0.3.5 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate flutter-plugins 0.3.5 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate flutter-plugins 0.3.5 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate flutter-plugins 0.3.5 [INFO] finished tweaking crates.io crate flutter-plugins 0.3.5 [INFO] tweaked toml for crates.io crate flutter-plugins 0.3.5 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69ad1a13486f91a47dc894c021baa98060f26e822913a4a2c8d93c4b59efb20d [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" "69ad1a13486f91a47dc894c021baa98060f26e822913a4a2c8d93c4b59efb20d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69ad1a13486f91a47dc894c021baa98060f26e822913a4a2c8d93c4b59efb20d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69ad1a13486f91a47dc894c021baa98060f26e822913a4a2c8d93c4b59efb20d", kill_on_drop: false }` [INFO] [stdout] 69ad1a13486f91a47dc894c021baa98060f26e822913a4a2c8d93c4b59efb20d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0b8f50f572969a07259ff0cd219bc26ea27654ae19403831e49f4a83f1c3aa4 [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" "f0b8f50f572969a07259ff0cd219bc26ea27654ae19403831e49f4a83f1c3aa4", kill_on_drop: false }` [INFO] [stderr] Compiling curl v0.4.31 [INFO] [stderr] Compiling podio v0.1.7 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling unic-langid-impl v0.4.0 [INFO] [stderr] Compiling nom v1.2.4 [INFO] [stderr] Compiling indexmap v0.4.1 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libnghttp2-sys v0.1.4+1.41.0 [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling curl-sys v0.4.34+curl-7.71.1 [INFO] [stderr] Compiling tinyfiledialogs v3.3.10 [INFO] [stderr] Compiling glfw-sys v3.3.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling semver v0.2.3 [INFO] [stderr] Compiling unic-locale-impl v0.4.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling locale_config v0.2.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling priority-queue v0.6.0 [INFO] [stderr] Compiling unic-locale v0.4.2 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling glfw v0.28.0 [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-75df07915a1897c7/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain 'beta-2020-07-24-x86_64-unknown-linux-gnu' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain beta-2020-07-24-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")', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58:41 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a4305d37b5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55a4305d37b5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a4305d37b5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55a4305d37b5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55a4305fe61c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55a4305cfa42 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55a4305d5e30 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55a4305d5e30 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55a4305d5e30 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55a4305d5b7c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55a4305d6473 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55a4305d606b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x55a4305fccd1 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55a4305fcaf3 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x55a42ff534ad - core::result::Result::expect::h7efd13737ea50e8c [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:963 [INFO] [stderr] 15: 0x55a42ff4f0e6 - build_script_build::main::h4c9866feff243776 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58 [INFO] [stderr] 16: 0x55a42ff4e54b - std::rt::lang_start::{{closure}}::h8019d2973a452a1c [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55a4305d6913 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55a4305d6913 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x55a4305d6913 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x55a4305d6913 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55a4305d6913 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55a42ff4e527 - std::rt::lang_start::hf441ef8ddd524e25 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55a42ff4fdba - main [INFO] [stderr] 24: 0x7eff978bd0b3 - __libc_start_main [INFO] [stderr] 25: 0x55a42ff4a1ae - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "f0b8f50f572969a07259ff0cd219bc26ea27654ae19403831e49f4a83f1c3aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0b8f50f572969a07259ff0cd219bc26ea27654ae19403831e49f4a83f1c3aa4", kill_on_drop: false }` [INFO] [stdout] f0b8f50f572969a07259ff0cd219bc26ea27654ae19403831e49f4a83f1c3aa4