[INFO] fetching crate alloc_counter 0.0.2...
[INFO] checking alloc_counter-0.0.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate alloc_counter 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate alloc_counter 0.0.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alloc_counter 0.0.2
[INFO] finished tweaking crates.io crate alloc_counter 0.0.2
[INFO] tweaked toml for crates.io crate alloc_counter 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc_counter_macro v0.0.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2b6b083a35325a0fb9810e7806ddda11be7d0ce0e1f69d472eb5d178384f0839
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2b6b083a35325a0fb9810e7806ddda11be7d0ce0e1f69d472eb5d178384f0839"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling alloc_counter_macro v0.0.1
[INFO] [stderr]     Checking alloc_counter v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: incorrect use of `await`
[INFO] [stderr]   --> tests/futures.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         await!(foo());
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: `await` is a postfix operation: `foo().await`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect use of `await`
[INFO] [stderr]   --> tests/futures.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         await!(foo());
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: `await` is a postfix operation: `foo().await`
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> tests/futures.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(futures_api, async_await, await_macro, generators, generator_trait)]
[INFO] [stderr]   |                                      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `.await` syntax
[INFO] [stderr]  --> tests/futures.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(futures_api, async_await, await_macro, generators, generator_trait)]
[INFO] [stderr]   |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0727]: `async` generators are not yet supported
[INFO] [stderr]   --> tests/futures.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     #[no_alloc]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0727]: `async` generators are not yet supported
[INFO] [stderr]   --> tests/futures.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     #[no_alloc]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `alloc_counter`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2b6b083a35325a0fb9810e7806ddda11be7d0ce0e1f69d472eb5d178384f0839"`
[INFO] running `"docker" "rm" "-f" "2b6b083a35325a0fb9810e7806ddda11be7d0ce0e1f69d472eb5d178384f0839"`
[INFO] [stdout] 2b6b083a35325a0fb9810e7806ddda11be7d0ce0e1f69d472eb5d178384f0839