[INFO] fetching crate sweet_macros 0.2.0...
[INFO] checking sweet_macros-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate sweet_macros 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sweet_macros 0.2.0
[INFO] finished tweaking crates.io crate sweet_macros 0.2.0
[INFO] tweaked toml for crates.io crate sweet_macros 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sweet_macros 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sweet_macros 0.2.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 220b8110dc1a59009b70f81ce31cf2a032088b6a615e67d7e5dfdc79fc8b7776
[INFO] running `Command { std: "docker" "start" "-a" "220b8110dc1a59009b70f81ce31cf2a032088b6a615e67d7e5dfdc79fc8b7776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "220b8110dc1a59009b70f81ce31cf2a032088b6a615e67d7e5dfdc79fc8b7776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220b8110dc1a59009b70f81ce31cf2a032088b6a615e67d7e5dfdc79fc8b7776", kill_on_drop: false }`
[INFO] [stdout] 220b8110dc1a59009b70f81ce31cf2a032088b6a615e67d7e5dfdc79fc8b7776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 259bf67d5fcf726a167e1af227d00622530f170649cbb3dd328634c6c64354e4
[INFO] running `Command { std: "docker" "start" "-a" "259bf67d5fcf726a167e1af227d00622530f170649cbb3dd328634c6c64354e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.72
[INFO] [stderr]     Checking sweet_macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: binary operation `!=` cannot be applied to type `ReturnType`
[INFO] [stdout]    --> src/macros/test_case_attr.rs:32:41
[INFO] [stdout]     |
[INFO] [stdout] 32  |         let is_result = func.sig.output != ReturnType::Default;
[INFO] [stdout]     |                         --------------- ^^ ------------------- ReturnType
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         ReturnType
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `ReturnType` doesn't implement `PartialEq`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.72/src/ty.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / ast_enum! {
[INFO] [stdout] 261 | |     /// Return type of a function signature.
[INFO] [stdout] 262 | |     #[cfg_attr(docsrs, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout] 263 | |     pub enum ReturnType {
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | | }
[INFO] [stdout]     | |_^ not implement `PartialEq`
[INFO] [stdout]     = note: this error originates in the macro `ast_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sweet_macros` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0369]: binary operation `!=` cannot be applied to type `ReturnType`
[INFO] [stdout]    --> src/macros/test_case_attr.rs:32:41
[INFO] [stdout]     |
[INFO] [stdout] 32  |         let is_result = func.sig.output != ReturnType::Default;
[INFO] [stdout]     |                         --------------- ^^ ------------------- ReturnType
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         ReturnType
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `ReturnType` doesn't implement `PartialEq`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.72/src/ty.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / ast_enum! {
[INFO] [stdout] 261 | |     /// Return type of a function signature.
[INFO] [stdout] 262 | |     #[cfg_attr(docsrs, doc(cfg(any(feature = "full", feature = "derive"))))]
[INFO] [stdout] 263 | |     pub enum ReturnType {
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | | }
[INFO] [stdout]     | |_^ not implement `PartialEq`
[INFO] [stdout]     = note: this error originates in the macro `ast_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sweet_macros` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "259bf67d5fcf726a167e1af227d00622530f170649cbb3dd328634c6c64354e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259bf67d5fcf726a167e1af227d00622530f170649cbb3dd328634c6c64354e4", kill_on_drop: false }`
[INFO] [stdout] 259bf67d5fcf726a167e1af227d00622530f170649cbb3dd328634c6c64354e4