[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] checking Jasperav/ClosureRust against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2FClosureRust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jasperav/ClosureRust on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-9/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 8e5c343446da9f76126257deb0e788d46df3869a6465900a3f8998f5531bf00f
[INFO] running `Command { std: "docker" "start" "-a" "8e5c343446da9f76126257deb0e788d46df3869a6465900a3f8998f5531bf00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e5c343446da9f76126257deb0e788d46df3869a6465900a3f8998f5531bf00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5c343446da9f76126257deb0e788d46df3869a6465900a3f8998f5531bf00f", kill_on_drop: false }`
[INFO] [stdout] 8e5c343446da9f76126257deb0e788d46df3869a6465900a3f8998f5531bf00f
[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=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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dc5311cfcc47905ca83c6a32902e37385a9de2b46bef57c43f738ab12fd3316
[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" "2dc5311cfcc47905ca83c6a32902e37385a9de2b46bef57c43f738ab12fd3316", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "2dc5311cfcc47905ca83c6a32902e37385a9de2b46bef57c43f738ab12fd3316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc5311cfcc47905ca83c6a32902e37385a9de2b46bef57c43f738ab12fd3316", kill_on_drop: false }`
[INFO] [stdout] 2dc5311cfcc47905ca83c6a32902e37385a9de2b46bef57c43f738ab12fd3316