[INFO] cloning repository https://github.com/js2xxx/reffects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/js2xxx/reffects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Freffects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Freffects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47eecc8e6be0eac2db798d15876957e3cd7f5adb
[INFO] checking js2xxx/reffects against master#b92758a9aef1cef7b79e2b72c3d8ba113e547f89 for pr-124305-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Freffects" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/js2xxx/reffects on toolchain b92758a9aef1cef7b79e2b72c3d8ba113e547f89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/js2xxx/reffects
[INFO] finished tweaking git repo https://github.com/js2xxx/reffects
[INFO] tweaked toml for git repo https://github.com/js2xxx/reffects written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/js2xxx/reffects 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" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded convert_case v0.6.0
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded syn v2.0.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1953b46a053a7cb5ff04e75cfb196e6bb445d10ab90697a4b78aaadd79ab4f9
[INFO] running `Command { std: "docker" "start" "-a" "e1953b46a053a7cb5ff04e75cfb196e6bb445d10ab90697a4b78aaadd79ab4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1953b46a053a7cb5ff04e75cfb196e6bb445d10ab90697a4b78aaadd79ab4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1953b46a053a7cb5ff04e75cfb196e6bb445d10ab90697a4b78aaadd79ab4f9", kill_on_drop: false }`
[INFO] [stdout] e1953b46a053a7cb5ff04e75cfb196e6bb445d10ab90697a4b78aaadd79ab4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da164585ff0129bbdb32a7a1fa962aa54ee975f59802a14a034460b75c00d90d
[INFO] running `Command { std: "docker" "start" "-a" "da164585ff0129bbdb32a7a1fa962aa54ee975f59802a14a034460b75c00d90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.57
[INFO] [stderr]     Checking reffect-macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking reffect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 | /         effectful_block! {
[INFO] [stdout] 129 | |             #![effectful(Eff1)]
[INFO] [stdout] 130 | |             (yield Eff1(1)) as i16
[INFO] [stdout] 131 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `effectful_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 128 |         #[coroutine] effectful_block! {
[INFO] [stdout]     |         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     #[effectful(Eff1, Eff2)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `effectful` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 148 |     #[coroutine] #[effectful(Eff1, Eff2)]
[INFO] [stdout]     |     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |           let a2 = effectful_block! {
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 153 | |             #![effectful(Eff2)]
[INFO] [stdout] 154 | |             (yield Eff2(true)) as i16
[INFO] [stdout] 155 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `effectful_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let a2 = #[coroutine] effectful_block! {
[INFO] [stdout]     |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:169:32
[INFO] [stdout]     |
[INFO] [stdout] 169 |           let coro = coro.catch0(handler! {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 170 | |             #![effectful(Eff2)]
[INFO] [stdout] 171 | |             eff @ Eff2(_) => yield eff,
[INFO] [stdout] 172 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `handler` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let coro = coro.catch0(#[coroutine] handler! {
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |           let coro = coro.catch1(handler! {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 175 | |             #![effectful(Eff3)]
[INFO] [stdout] 176 | |             Eff2(c) => char::try_from(yield Eff3(c.to_string())).unwrap_or('d')
[INFO] [stdout] 177 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `handler` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let coro = coro.catch1(#[coroutine] handler! {
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[crate::group]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `crate::group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[coroutine] #[crate::group]
[INFO] [stdout]     |     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[crate::group]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `crate::group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[coroutine] #[crate::group]
[INFO] [stdout]     |     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     #[crate::group_handler]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `crate::group_handler` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 209 |     #[coroutine] #[crate::group_handler]
[INFO] [stdout]     |     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/adapter.rs:223:20
[INFO] [stdout]     |
[INFO] [stdout] 223 |           let coro = effectful_block! {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 224 | |             #![effectful(Counter)]
[INFO] [stdout] 225 | |
[INFO] [stdout] 226 | |             let counter = Counter::get().await;
[INFO] [stdout] ...   |
[INFO] [stdout] 230 | |             Counter::get().await
[INFO] [stdout] 231 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `effectful_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let coro = #[coroutine] effectful_block! {
[INFO] [stdout]     |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> examples/gc.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |       let f = effectful_block! {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 248 | |         #![effectful(Alloc)]
[INFO] [stdout] 249 | |
[INFO] [stdout] 250 | |         let obj2 = {
[INFO] [stdout] ...   |
[INFO] [stdout] 261 | |         *obj2 + *obj3
[INFO] [stdout] 262 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `effectful_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let f = #[coroutine] effectful_block! {
[INFO] [stdout]     |             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> examples/gc.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[effectful(Alloc)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `effectful` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[coroutine] #[effectful(Alloc)]
[INFO] [stdout]    | ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> examples/gc.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[effectful(Alloc)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `effectful` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[coroutine] #[effectful(Alloc)]
[INFO] [stdout]    | ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> examples/gc.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 | /         catch!(coro.await {
[INFO] [stdout] 132 | |             #![non_exhaustive]
[INFO] [stdout] 133 | |
[INFO] [stdout] 134 | |             alloc @ Alloc { .. } => loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |             }
[INFO] [stdout] 157 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `catch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 122 |     #[coroutine] #[effectful(static; ...Rem<E, Alloc, U>)]
[INFO] [stdout]     |     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reffect` (example "gc") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reffect` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "da164585ff0129bbdb32a7a1fa962aa54ee975f59802a14a034460b75c00d90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da164585ff0129bbdb32a7a1fa962aa54ee975f59802a14a034460b75c00d90d", kill_on_drop: false }`
[INFO] [stdout] da164585ff0129bbdb32a7a1fa962aa54ee975f59802a14a034460b75c00d90d