[INFO] fetching crate yield-closures 0.1.0...
[INFO] building yield-closures-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate yield-closures 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate yield-closures 0.1.0
[INFO] finished tweaking crates.io crate yield-closures 0.1.0
[INFO] tweaked toml for crates.io crate yield-closures 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yield-closures 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfaa3a92f45e13f690e87922d9da5def1cc1d5ced17b661bf6665e4b5af29ade
[INFO] running `Command { std: "docker" "start" "-a" "bfaa3a92f45e13f690e87922d9da5def1cc1d5ced17b661bf6665e4b5af29ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfaa3a92f45e13f690e87922d9da5def1cc1d5ced17b661bf6665e4b5af29ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaa3a92f45e13f690e87922d9da5def1cc1d5ced17b661bf6665e4b5af29ade", kill_on_drop: false }`
[INFO] [stdout] bfaa3a92f45e13f690e87922d9da5def1cc1d5ced17b661bf6665e4b5af29ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2881acde41f7c836892db3f49f33a367453939952c1d3557419444719901b1f2
[INFO] running `Command { std: "docker" "start" "-a" "2881acde41f7c836892db3f49f33a367453939952c1d3557419444719901b1f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling yield-closures-impl v0.1.0
[INFO] [stderr]    Compiling yield-closures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "2881acde41f7c836892db3f49f33a367453939952c1d3557419444719901b1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2881acde41f7c836892db3f49f33a367453939952c1d3557419444719901b1f2", kill_on_drop: false }`
[INFO] [stdout] 2881acde41f7c836892db3f49f33a367453939952c1d3557419444719901b1f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14b17d86a01ef6cd4206d6d05cb453f752496d3585abe27c21969bb886c52d7e
[INFO] running `Command { std: "docker" "start" "-a" "14b17d86a01ef6cd4206d6d05cb453f752496d3585abe27c21969bb886c52d7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling yield-closures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found reserved keyword `do`
[INFO] [stdout]  --> tests/test.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |       let mut f = co!(|x| {
[INFO] [stdout]   |  _________________^
[INFO] [stdout] 6 | |         loop {
[INFO] [stdout] 7 | |             yield x;
[INFO] [stdout] 8 | |         }
[INFO] [stdout] 9 | |     });
[INFO] [stdout]   | |______^ expected expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `co` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `do`
[INFO] [stdout]   --> tests/test.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |           .filter_map(co!(|c| {
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 21 | |             loop {
[INFO] [stdout] 22 | |                 if c != '\\' {
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |         }))
[INFO] [stdout]    | |__________^ expected expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `co` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `do`
[INFO] [stdout]   --> tests/test.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |       let mut f = co!(|| {
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 60 | |         let (mut x, mut y) = (1, 1);
[INFO] [stdout] 61 | |         loop {
[INFO] [stdout] 62 | |             yield x;
[INFO] [stdout] ...  |
[INFO] [stdout] 67 | |     });
[INFO] [stdout]    | |______^ expected expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `co` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `do`
[INFO] [stdout]    --> tests/test.rs:94:24
[INFO] [stdout]     |
[INFO] [stdout]  94 |       s.chars().for_each(co!(|x| loop {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout]  95 | |         let a = char_to_sextet(x);
[INFO] [stdout]  96 | |         yield;
[INFO] [stdout]  97 | |         let b = char_to_sextet(x);
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |         yield;
[INFO] [stdout] 105 | |     }));
[INFO] [stdout]     | |______^ expected expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `co` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found reserved keyword `do`
[INFO] [stdout]    --> tests/test.rs:120:20
[INFO] [stdout]     |
[INFO] [stdout] 120 |       let mut game = co!(|is_opponent_near: bool, my_health: u32| -> Action {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 121 | |         loop {
[INFO] [stdout] 122 | |             // Find opponent
[INFO] [stdout] 123 | |             while !is_opponent_near {
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | |     });
[INFO] [stdout]     | |______^ expected expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `co` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yield-closures` (test "test") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "14b17d86a01ef6cd4206d6d05cb453f752496d3585abe27c21969bb886c52d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b17d86a01ef6cd4206d6d05cb453f752496d3585abe27c21969bb886c52d7e", kill_on_drop: false }`
[INFO] [stdout] 14b17d86a01ef6cd4206d6d05cb453f752496d3585abe27c21969bb886c52d7e