[INFO] crate timely_communication 0.11.1 is already in cache
[INFO] checking timely_communication-0.11.1 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate timely_communication 0.11.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate timely_communication 0.11.1 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-7/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c39b56070b2ffa417e7f70c6d5903e06336a202fc81d682ed8f5d2fc37f90f1a
[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" "c39b56070b2ffa417e7f70c6d5903e06336a202fc81d682ed8f5d2fc37f90f1a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 abomonation v0.7.0
[INFO] [stderr]     Checking timely_bytes v0.11.0
[INFO] [stderr]     Checking timely_logging v0.11.1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 27.17s
[INFO] running `"docker" "inspect" "c39b56070b2ffa417e7f70c6d5903e06336a202fc81d682ed8f5d2fc37f90f1a"`
[INFO] running `"docker" "rm" "-f" "c39b56070b2ffa417e7f70c6d5903e06336a202fc81d682ed8f5d2fc37f90f1a"`
[INFO] [stdout] c39b56070b2ffa417e7f70c6d5903e06336a202fc81d682ed8f5d2fc37f90f1a