[INFO] cloning repository https://github.com/Vjze/flutter_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vjze/flutter_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVjze%2Fflutter_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVjze%2Fflutter_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5133a1c459c5af1ceb82092fc9bbc5f2cfd4766c
[INFO] checking Vjze/flutter_demo against try#d1d7143153307f561233bd4d93e2a3b24157b081 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVjze%2Fflutter_demo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Vjze/flutter_demo
[INFO] finished tweaking git repo https://github.com/Vjze/flutter_demo
[INFO] tweaked toml for git repo https://github.com/Vjze/flutter_demo written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vjze/flutter_demo on toolchain d1d7143153307f561233bd4d93e2a3b24157b081
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vjze/flutter_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9
[INFO] running `Command { std: "docker" "start" "35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking hub v0.1.0 (/opt/rustwide/workdir/native/hub)
[INFO] [stdout] warning: unused import: `super::DartAbi`
[INFO] [stdout]  --> native/hub/src/bridge/bridge_engine/ffi/io.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::DartAbi;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::DartAbi`
[INFO] [stdout]  --> native/hub/src/bridge/bridge_engine/ffi/io.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::DartAbi;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadRequest` is never constructed
[INFO] [stdout]  --> native/hub/src/messages/query_resource.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ReadRequest {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadResponse` is never constructed
[INFO] [stdout]   --> native/hub/src/messages/query_resource.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ReadResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_query_resource` is never used
[INFO] [stdout]   --> native/hub/src/sample_functions.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn handle_query_resource(rust_request: RustRequest) -> RustResponse {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadRequest` is never constructed
[INFO] [stdout]  --> native/hub/src/messages/query_resource.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ReadRequest {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadResponse` is never constructed
[INFO] [stdout]   --> native/hub/src/messages/query_resource.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ReadResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_query_resource` is never used
[INFO] [stdout]   --> native/hub/src/sample_functions.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn handle_query_resource(rust_request: RustRequest) -> RustResponse {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.02s
[INFO] running `Command { std: "docker" "inspect" "35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9", kill_on_drop: false }`
[INFO] [stdout] 35004e7d3baa4fb24c862a506f461ce13bbb7660b654b4a7963b03113347c9c9
