[INFO] updating cached repository https://github.com/ebkalderon/sink-futures-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa79c026aabcd060d404b9baac8e06f31092c5d6
[INFO] checking ebkalderon/sink-futures-example against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febkalderon%2Fsink-futures-example" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ebkalderon/sink-futures-example on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ebkalderon/sink-futures-example
[INFO] finished tweaking git repo https://github.com/ebkalderon/sink-futures-example
[INFO] tweaked toml for git repo https://github.com/ebkalderon/sink-futures-example written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ebkalderon/sink-futures-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48e4208be7e59c1d20d14c2d5281ab9d75133da908491e491326f6421783050a
[INFO] running `"docker" "start" "-a" "48e4208be7e59c1d20d14c2d5281ab9d75133da908491e491326f6421783050a"`
[INFO] [stderr]     Checking sink-futures-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: incorrect use of `await`
[INFO] [stderr]   --> src/bin/new.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |         for entry in await!(rx.next()) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `rx.next().await`
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/bin/new.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await, await_macro, futures_api)]
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `.await` syntax
[INFO] [stderr]  --> src/bin/new.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await, await_macro, futures_api)]
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: incorrect use of `await`
[INFO] [stderr]   --> src/bin/new.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |         for entry in await!(rx.next()) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `rx.next().await`
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/bin/new.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await, await_macro, futures_api)]
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `.await` syntax
[INFO] [stderr]  --> src/bin/new.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await, await_macro, futures_api)]
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::task::LocalWaker`
[INFO] [stderr]  --> src/bin/new.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::task::{LocalWaker, Poll};
[INFO] [stderr]   |                 ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `sink-futures-example`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::task::LocalWaker`
[INFO] [stderr]  --> src/bin/new.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::task::{LocalWaker, Poll};
[INFO] [stderr]   |                 ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `sink-futures-example`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "48e4208be7e59c1d20d14c2d5281ab9d75133da908491e491326f6421783050a"`
[INFO] running `"docker" "rm" "-f" "48e4208be7e59c1d20d14c2d5281ab9d75133da908491e491326f6421783050a"`
[INFO] [stdout] 48e4208be7e59c1d20d14c2d5281ab9d75133da908491e491326f6421783050a