[INFO] crate tokio-udp 0.1.5 is already in cache
[INFO] checking tokio-udp-0.1.5 against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] extracting crate tokio-udp 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-udp 0.1.5 on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-udp 0.1.5
[INFO] finished tweaking crates.io crate tokio-udp 0.1.5
[INFO] tweaked toml for crates.io crate tokio-udp 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "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] 9bfbb1d3f34515b219f48709b31f3faa1ecd1f83585d30f38d6af0f987d7da0d
[INFO] running `"docker" "start" "-a" "9bfbb1d3f34515b219f48709b31f3faa1ecd1f83585d30f38d6af0f987d7da0d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tokio-udp v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> src/frame.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn poll(&mut self) -> Poll<Option<(Self::Item)>, Self::Error> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:23
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![deny(missing_docs, warnings, missing_debug_implementations)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> src/frame.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn poll(&mut self) -> Poll<Option<(Self::Item)>, Self::Error> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:23
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![deny(missing_docs, warnings, missing_debug_implementations)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tokio-udp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tokio-udp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9bfbb1d3f34515b219f48709b31f3faa1ecd1f83585d30f38d6af0f987d7da0d"`
[INFO] running `"docker" "rm" "-f" "9bfbb1d3f34515b219f48709b31f3faa1ecd1f83585d30f38d6af0f987d7da0d"`
[INFO] [stdout] 9bfbb1d3f34515b219f48709b31f3faa1ecd1f83585d30f38d6af0f987d7da0d