[INFO] crate timely_communication 0.11.1 is already in cache
[INFO] checking timely_communication-0.11.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate timely_communication 0.11.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate timely_communication 0.11.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate timely_communication 0.11.1
[INFO] finished tweaking crates.io crate timely_communication 0.11.1
[INFO] tweaked toml for crates.io crate timely_communication 0.11.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate timely_communication 0.11.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 7678e64154ed0a42cc0d171857b0b66c7f92552faf2d50f04914a019320ed1b2
[INFO] running `"docker" "start" "-a" "7678e64154ed0a42cc0d171857b0b66c7f92552faf2d50f04914a019320ed1b2"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking timely_logging v0.11.1
[INFO] [stderr]     Checking abomonation v0.7.0
[INFO] [stderr]     Checking timely_bytes v0.11.0
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking timely_communication v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/allocator/process.rs:145:33
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .downcast_mut::<(Vec<Option<(Vec<(Pusher<Message<T>>, Buzzer)>, Puller<Message<T>>)>>)>()
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/allocator/process.rs:145:33
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .downcast_mut::<(Vec<Option<(Vec<(Pusher<Message<T>>, Buzzer)>, Puller<Message<T>>)>>)>()
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.67s
[INFO] running `"docker" "inspect" "7678e64154ed0a42cc0d171857b0b66c7f92552faf2d50f04914a019320ed1b2"`
[INFO] running `"docker" "rm" "-f" "7678e64154ed0a42cc0d171857b0b66c7f92552faf2d50f04914a019320ed1b2"`
[INFO] [stdout] 7678e64154ed0a42cc0d171857b0b66c7f92552faf2d50f04914a019320ed1b2