[INFO] fetching crate flutter-plugins 0.3.5... [INFO] testing flutter-plugins-0.3.5 against 1.49.0 for beta-1.50-1 [INFO] extracting crate flutter-plugins 0.3.5 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate flutter-plugins 0.3.5 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0b18847f87e35228df04fd1346f42f5cb8a744f8d11644b195be8a046af14093 [INFO] running `Command { std: "docker" "start" "-a" "0b18847f87e35228df04fd1346f42f5cb8a744f8d11644b195be8a046af14093", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b18847f87e35228df04fd1346f42f5cb8a744f8d11644b195be8a046af14093", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b18847f87e35228df04fd1346f42f5cb8a744f8d11644b195be8a046af14093", kill_on_drop: false }` [INFO] [stdout] 0b18847f87e35228df04fd1346f42f5cb8a744f8d11644b195be8a046af14093 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35df57b9b794f82814361ccddb012ad6b2f642a809767e45f9f3e97af1ee2fcd [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" "35df57b9b794f82814361ccddb012ad6b2f642a809767e45f9f3e97af1ee2fcd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling curl v0.4.34 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling podio v0.1.7 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling xml-rs v0.8.3 [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 crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling libnghttp2-sys v0.1.5+1.42.0 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling curl-sys v0.4.39+curl-7.74.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling tinyfiledialogs v3.3.10 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling unic-locale-impl v0.4.0 [INFO] [stderr] Compiling priority-queue v0.6.0 [INFO] [stderr] Compiling semver v0.2.3 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling unic-locale v0.4.2 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling glfw-sys v3.3.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling locale_config v0.2.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling flate2 v1.0.19 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling glfw v0.28.0 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling flutter-download v0.3.5 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling flutter-engine-sys v0.3.5 [INFO] [stderr] Compiling serde_json v1.0.61 [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-4b6240e571c6030e/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1.49.0-x86_64-unknown-linux-gnu' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.49.0-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")', /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: 0x55871e70d7b0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55871e70d7b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55871e70d7b0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55871e70d7b0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55871e73366c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55871e7097c2 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x55871e70fd15 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55871e70fd15 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55871e70fd15 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55871e70f9b8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55871e7104b1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55871e70fff7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stderr] 12: 0x55871e70dc6c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55871e70ff59 - rust_begin_unwind [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stderr] 14: 0x55871e731cf1 - core::panicking::panic_fmt::ha0bb065d9a260792 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55871e731b13 - core::option::expect_none_failed::h7e1dd0a94971eb61 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55871e08d4ed - core::result::Result::expect::hae4afac01312bbde [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/result.rs:933:23 [INFO] [stderr] 17: 0x55871e08925c - build_script_build::main::he5ac2d19ca4aef09 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58:19 [INFO] [stderr] 18: 0x55871e08732b - core::ops::function::FnOnce::call_once::h6b7443abf53767b9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55871e087cee - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d9a05694e78e399 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55871e0886d1 - std::rt::lang_start::{{closure}}::h1222f5fcc02800ca [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55871e7109c7 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55871e7109c7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 23: 0x55871e7109c7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 24: 0x55871e7109c7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55871e7109c7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55871e0886a7 - std::rt::lang_start::h3880c748c952cd29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55871e089f7a - main [INFO] [stderr] 28: 0x7fbfe7b540b3 - __libc_start_main [INFO] [stderr] 29: 0x55871e08412e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "35df57b9b794f82814361ccddb012ad6b2f642a809767e45f9f3e97af1ee2fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35df57b9b794f82814361ccddb012ad6b2f642a809767e45f9f3e97af1ee2fcd", kill_on_drop: false }` [INFO] [stdout] 35df57b9b794f82814361ccddb012ad6b2f642a809767e45f9f3e97af1ee2fcd