[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 master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2FClosureRust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jasperav/ClosureRust on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f6e17152a41449e778e0cab51ee6a9351c50ae70e8264f168fb68485faa0c73
[INFO] running `Command { std: "docker" "start" "-a" "1f6e17152a41449e778e0cab51ee6a9351c50ae70e8264f168fb68485faa0c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6e17152a41449e778e0cab51ee6a9351c50ae70e8264f168fb68485faa0c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6e17152a41449e778e0cab51ee6a9351c50ae70e8264f168fb68485faa0c73", kill_on_drop: false }`
[INFO] [stdout] 1f6e17152a41449e778e0cab51ee6a9351c50ae70e8264f168fb68485faa0c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ca948e13c35b280d04d4c287a04b0ccb6febf7f5ef570696ff1407d8ff8331
[INFO] running `Command { std: "docker" "start" "-a" "04ca948e13c35b280d04d4c287a04b0ccb6febf7f5ef570696ff1407d8ff8331", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[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 generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[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]    | |     |
[INFO] [stdout]    | |     required by a bound introduced by this call
[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] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/thread/mod.rs:677:1
[INFO] [stdout] 
[INFO] [stdout] 
[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]    | |     |
[INFO] [stdout]    | |     required by a bound introduced by this call
[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] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/thread/mod.rs:677:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (bin "closurerust") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `closurerust` (bin "closurerust" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "04ca948e13c35b280d04d4c287a04b0ccb6febf7f5ef570696ff1407d8ff8331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ca948e13c35b280d04d4c287a04b0ccb6febf7f5ef570696ff1407d8ff8331", kill_on_drop: false }`
[INFO] [stdout] 04ca948e13c35b280d04d4c287a04b0ccb6febf7f5ef570696ff1407d8ff8331