[INFO] cloning repository https://github.com/Jasperav/ClosureRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jasperav/ClosureRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2FClosureRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2FClosureRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 783c6f617ec7a79751975586784c3a1fb8f50403
[INFO] testing Jasperav/ClosureRust against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2FClosureRust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jasperav/ClosureRust on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jasperav/ClosureRust
[INFO] finished tweaking git repo https://github.com/Jasperav/ClosureRust
[INFO] tweaked toml for git repo https://github.com/Jasperav/ClosureRust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Jasperav/ClosureRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9961546156447dc86b63ba1243c6d626ccec2f1a5574acce014389aecc92bb2
[INFO] running `Command { std: "docker" "start" "-a" "d9961546156447dc86b63ba1243c6d626ccec2f1a5574acce014389aecc92bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9961546156447dc86b63ba1243c6d626ccec2f1a5574acce014389aecc92bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9961546156447dc86b63ba1243c6d626ccec2f1a5574acce014389aecc92bb2", kill_on_drop: false }`
[INFO] [stdout] d9961546156447dc86b63ba1243c6d626ccec2f1a5574acce014389aecc92bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a873a8470b1bebfb935c1a2fd680161f091dbb7f7c4b3b8257c101691602ffb
[INFO] running `Command { std: "docker" "start" "-a" "9a873a8470b1bebfb935c1a2fd680161f091dbb7f7c4b3b8257c101691602ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling closurerust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `FnOnce<()>` closure, found `()`
[INFO] [stdout]    --> src/main.rs:13:25
[INFO] [stdout]     |
[INFO] [stdout] 13  |       std::thread::spawn( {
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 14  | |         let a = Arc::clone(&is_closed);
[INFO] [stdout] 15  | |         move || connect("127.0.0.1", |c| TestClient(&*a));
[INFO] [stdout] 16  | |     });
[INFO] [stdout]     | |_____^ expected an `FnOnce<()>` closure, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FnOnce<()>` is not implemented for `()`
[INFO] [stdout]     = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `closurerust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9a873a8470b1bebfb935c1a2fd680161f091dbb7f7c4b3b8257c101691602ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a873a8470b1bebfb935c1a2fd680161f091dbb7f7c4b3b8257c101691602ffb", kill_on_drop: false }`
[INFO] [stdout] 9a873a8470b1bebfb935c1a2fd680161f091dbb7f7c4b3b8257c101691602ffb