[INFO] fetching crate enso-shapely-macros 0.1.1...
[INFO] checking enso-shapely-macros-0.1.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate enso-shapely-macros 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate enso-shapely-macros 0.1.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enso-shapely-macros 0.1.1
[INFO] finished tweaking crates.io crate enso-shapely-macros 0.1.1
[INFO] tweaked toml for crates.io crate enso-shapely-macros 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded boolinator v2.4.0
[INFO] [stderr]   Downloaded enso-macro-utils v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 112030fbdf3674b7dd98cc5e09e9c7f271bc70396df7deddec4c489b71745501
[INFO] running `Command { std: "docker" "start" "-a" "112030fbdf3674b7dd98cc5e09e9c7f271bc70396df7deddec4c489b71745501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "112030fbdf3674b7dd98cc5e09e9c7f271bc70396df7deddec4c489b71745501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112030fbdf3674b7dd98cc5e09e9c7f271bc70396df7deddec4c489b71745501", kill_on_drop: false }`
[INFO] [stdout] 112030fbdf3674b7dd98cc5e09e9c7f271bc70396df7deddec4c489b71745501
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6e78ec7e2abed6b80c20cc65d015ddd0e1818618bc18900eae7c698ae91ea05c
[INFO] running `Command { std: "docker" "start" "-a" "6e78ec7e2abed6b80c20cc65d015ddd0e1818618bc18900eae7c698ae91ea05c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking enso-macro-utils v0.1.1
[INFO] [stderr]     Checking enso-shapely-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `FnOnce<()>` closure, found `()`
[INFO] [stdout]    --> src/derive_clone_ref.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |     is_clone_ref_customization(attr).then(())?;
[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 `enso-shapely-macros`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6e78ec7e2abed6b80c20cc65d015ddd0e1818618bc18900eae7c698ae91ea05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e78ec7e2abed6b80c20cc65d015ddd0e1818618bc18900eae7c698ae91ea05c", kill_on_drop: false }`
[INFO] [stdout] 6e78ec7e2abed6b80c20cc65d015ddd0e1818618bc18900eae7c698ae91ea05c