[INFO] fetching crate flutter-engine 0.3.5... [INFO] checking flutter-engine-0.3.5 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate flutter-engine 0.3.5 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16c1a547b8617f72b0c8ffd8743c9331c23cfbbb768b6488474aa38defe11f80 [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" "16c1a547b8617f72b0c8ffd8743c9331c23cfbbb768b6488474aa38defe11f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16c1a547b8617f72b0c8ffd8743c9331c23cfbbb768b6488474aa38defe11f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16c1a547b8617f72b0c8ffd8743c9331c23cfbbb768b6488474aa38defe11f80", kill_on_drop: false }` [INFO] [stdout] 16c1a547b8617f72b0c8ffd8743c9331c23cfbbb768b6488474aa38defe11f80 [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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 935cb050781194f9b8c34959bdc03de2c147490477075dbd4944859bdfaae10f [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" "935cb050781194f9b8c34959bdc03de2c147490477075dbd4944859bdfaae10f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling podio v0.1.7 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling curl v0.4.31 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Checking unic-langid-impl v0.4.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling memoffset v0.5.5 [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-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking semver v0.2.3 [INFO] [stderr] Checking priority-queue v0.6.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking unic-locale-impl v0.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Checking unic-locale v0.4.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Checking locale_config v0.2.3 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking bytes v0.4.12 [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 v1.0.5 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling libz-sys v1.0.27 [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 libloading v0.5.2 [INFO] [stderr] Compiling glfw-sys v3.3.2 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking glfw v0.28.0 [INFO] [stderr] Checking serde v1.0.115 [INFO] [stderr] Compiling flutter-download v0.3.5 [INFO] [stderr] Compiling flutter-engine-sys v0.3.5 [INFO] [stderr] Checking serde_json v1.0.57 [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-4369e85d8b155622/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain 'd990716b6a1fdde1300748828a9c9e79dfd0b898' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898` [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: 0x564db4041c85 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x564db4041c85 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x564db4041c85 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x564db4041c85 - ::fmt::h589f1bf1cf74dd71 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x564db406c5ec - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x564db403df02 - std::io::Write::write_fmt::hbbad3ca30e02a58a [INFO] [stderr] at library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x564db4044300 - std::sys_common::backtrace::_print::h96b2d71887f0b186 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x564db4044300 - std::sys_common::backtrace::print::h6cd6e92e674a16a4 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x564db4044300 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14 [INFO] [stderr] at library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x564db404404c - std::panicking::default_hook::h3c589b4200c4e9d0 [INFO] [stderr] at library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x564db4044943 - std::panicking::rust_panic_with_hook::h99205632f2cac760 [INFO] [stderr] at library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x564db404453b - rust_begin_unwind [INFO] [stderr] at library/std/src/panicking.rs:437 [INFO] [stderr] 12: 0x564db406aca1 - core::panicking::panic_fmt::h019ad16a92ccd092 [INFO] [stderr] at library/core/src/panicking.rs:85 [INFO] [stderr] 13: 0x564db406aac3 - core::option::expect_none_failed::h7135ba2fdb185931 [INFO] [stderr] at library/core/src/option.rs:1273 [INFO] [stderr] 14: 0x564db39ca41d - core::result::Result::expect::h977e319d40ad1a28 [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/result.rs:963 [INFO] [stderr] 15: 0x564db39c60e6 - build_script_build::main::h0ceede854e32a619 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.5/build.rs:58 [INFO] [stderr] 16: 0x564db39c553b - std::rt::lang_start::{{closure}}::h782d372ed556faba [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 17: 0x564db4044de3 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09 [INFO] [stderr] at library/std/src/rt.rs:52 [INFO] [stderr] 18: 0x564db4044de3 - std::panicking::try::do_call::haffb1227d43d77f1 [INFO] [stderr] at library/std/src/panicking.rs:348 [INFO] [stderr] 19: 0x564db4044de3 - std::panicking::try::hc085bbb3f48e6fb0 [INFO] [stderr] at library/std/src/panicking.rs:325 [INFO] [stderr] 20: 0x564db4044de3 - std::panic::catch_unwind::h0d91c438fed06f5e [INFO] [stderr] at library/std/src/panic.rs:394 [INFO] [stderr] 21: 0x564db4044de3 - std::rt::lang_start_internal::h9a2f79aa5e187e95 [INFO] [stderr] at library/std/src/rt.rs:51 [INFO] [stderr] 22: 0x564db39c5517 - std::rt::lang_start::haa87ec962b8c1e47 [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 23: 0x564db39c6dba - main [INFO] [stderr] 24: 0x7f6e1ca910b3 - __libc_start_main [INFO] [stderr] 25: 0x564db39c11ae - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "935cb050781194f9b8c34959bdc03de2c147490477075dbd4944859bdfaae10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "935cb050781194f9b8c34959bdc03de2c147490477075dbd4944859bdfaae10f", kill_on_drop: false }` [INFO] [stdout] 935cb050781194f9b8c34959bdc03de2c147490477075dbd4944859bdfaae10f