[INFO] fetching crate timely_communication 0.11.1...
[INFO] checking timely_communication-0.11.1 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[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 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded abomonation_derive v0.5.0
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded timely_bytes v0.11.0
[INFO] [stderr]   Downloaded timely_logging v0.11.1
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded bincode v1.1.2
[INFO] [stderr]   Downloaded abomonation v0.7.0
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae84a28f097c54b2c6509762d5ee346ee9b965df278386e88f163c7cb365af24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae84a28f097c54b2c6509762d5ee346ee9b965df278386e88f163c7cb365af24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae84a28f097c54b2c6509762d5ee346ee9b965df278386e88f163c7cb365af24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae84a28f097c54b2c6509762d5ee346ee9b965df278386e88f163c7cb365af24", kill_on_drop: false }`
[INFO] [stdout] ae84a28f097c54b2c6509762d5ee346ee9b965df278386e88f163c7cb365af24
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b3d8e857832a19861e54b641811cce363072ce1fff9c6cdd920bafe9c6d9bc6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b3d8e857832a19861e54b641811cce363072ce1fff9c6cdd920bafe9c6d9bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[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_bytes v0.11.0
[INFO] [stderr]     Checking abomonation v0.7.0
[INFO] [stderr]     Checking timely_logging v0.11.1
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking timely_communication v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/allocator/process.rs:145:33
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .downcast_mut::<(Vec<Option<(Vec<(Pusher<Message<T>>, Buzzer)>, Puller<Message<T>>)>>)>()
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/allocator/process.rs:145:33
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .downcast_mut::<(Vec<Option<(Vec<(Pusher<Message<T>>, Buzzer)>, Puller<Message<T>>)>>)>()
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.41s
[INFO] running `Command { std: "docker" "inspect" "1b3d8e857832a19861e54b641811cce363072ce1fff9c6cdd920bafe9c6d9bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3d8e857832a19861e54b641811cce363072ce1fff9c6cdd920bafe9c6d9bc6", kill_on_drop: false }`
[INFO] [stdout] 1b3d8e857832a19861e54b641811cce363072ce1fff9c6cdd920bafe9c6d9bc6