[INFO] updating cached repository https://github.com/flutter-rs/flutter-app-template
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37859eebf5e47c6f7309c47ffe28ca520c94af10
[INFO] checking flutter-rs/flutter-app-template against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflutter-rs%2Fflutter-app-template" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flutter-rs/flutter-app-template on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/flutter-rs/flutter-app-template
[INFO] finished tweaking git repo https://github.com/flutter-rs/flutter-app-template
[INFO] tweaked toml for git repo https://github.com/flutter-rs/flutter-app-template written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/flutter-rs/flutter-app-template already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] 03af9ebae7fb192edb5f75276cdc17dfc00d9a28aed2634b49c916b652f8d8ad
[INFO] running `"docker" "start" "-a" "03af9ebae7fb192edb5f75276cdc17dfc00d9a28aed2634b49c916b652f8d8ad"`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking async-task v1.3.0
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking indexmap v1.3.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking unic-langid-impl v0.7.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking unic-locale-impl v0.7.1
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking priority-queue v0.7.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking unic-locale v0.7.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4 (https://github.com/dvc94ch/glutin?branch=android#3c315992)
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5 (https://github.com/dvc94ch/glutin?branch=android#3c315992)
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]     Checking locale_config v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]    Compiling flutter-engine-sys v0.4.0 (https://github.com/flutter-rs/flutter-rs#f87aca1c)
[INFO] [stderr]     Checking smithay-clipboard v0.3.6
[INFO] [stderr]     Checking winit v0.20.0-alpha5 (https://github.com/dvc94ch/winit?branch=android#1603d8b5)
[INFO] [stderr]     Checking copypasta v0.6.2
[INFO] [stderr]     Checking glutin v0.22.0-alpha5 (https://github.com/dvc94ch/glutin?branch=android#3c315992)
[INFO] [stderr]     Checking flutter-engine v0.4.0 (https://github.com/flutter-rs/flutter-rs#f87aca1c)
[INFO] [stderr]     Checking flutter-plugins v0.4.0 (https://github.com/flutter-rs/flutter-rs#f87aca1c)
[INFO] [stderr]     Checking flutter-winit v0.4.0 (https://github.com/flutter-rs/flutter-rs#f87aca1c)
[INFO] [stderr]     Checking flutter-app-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "03af9ebae7fb192edb5f75276cdc17dfc00d9a28aed2634b49c916b652f8d8ad"`
[INFO] running `"docker" "rm" "-f" "03af9ebae7fb192edb5f75276cdc17dfc00d9a28aed2634b49c916b652f8d8ad"`
[INFO] [stdout] 03af9ebae7fb192edb5f75276cdc17dfc00d9a28aed2634b49c916b652f8d8ad