[INFO] crate timely 0.11.1 is already in cache
[INFO] testing timely-0.11.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate timely 0.11.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate timely 0.11.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timely 0.11.1
[INFO] finished tweaking crates.io crate timely 0.11.1
[INFO] tweaked toml for crates.io crate timely 0.11.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate timely 0.11.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5dec987bdea77fe890e053ebb4d152c0f92428f886d547da2475efd2bcb0690
[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" "f5dec987bdea77fe890e053ebb4d152c0f92428f886d547da2475efd2bcb0690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5dec987bdea77fe890e053ebb4d152c0f92428f886d547da2475efd2bcb0690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5dec987bdea77fe890e053ebb4d152c0f92428f886d547da2475efd2bcb0690", kill_on_drop: false }`
[INFO] [stdout] f5dec987bdea77fe890e053ebb4d152c0f92428f886d547da2475efd2bcb0690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac83db686e9ac47ad9760e1ad03262ebd8424543af65afec0b2ed5c54fdcd19
[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" "bac83db686e9ac47ad9760e1ad03262ebd8424543af65afec0b2ed5c54fdcd19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_logging v0.11.1
[INFO] [stderr]    Compiling timely_bytes v0.11.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling timely_communication v0.11.1
[INFO] [stderr]    Compiling timely v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.43s
[INFO] running `Command { std: "docker" "inspect" "bac83db686e9ac47ad9760e1ad03262ebd8424543af65afec0b2ed5c54fdcd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac83db686e9ac47ad9760e1ad03262ebd8424543af65afec0b2ed5c54fdcd19", kill_on_drop: false }`
[INFO] [stdout] bac83db686e9ac47ad9760e1ad03262ebd8424543af65afec0b2ed5c54fdcd19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab8cb5c0c6d0f2812840003a79c17bd3f022e407ef5ecf8937dfa03ce2aeee3f
[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" "ab8cb5c0c6d0f2812840003a79c17bd3f022e407ef5ecf8937dfa03ce2aeee3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling timely v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `next_t` is never read
[INFO] [stdout]   --> examples/flow_controlled.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |                         next_t = first_x / 100 * 100;
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `timely`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name logging_send --edition=2018 examples/logging-send.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=03a46e56e2cb0e5b -C extra-filename=-03a46e56e2cb0e5b --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-031eb42ade1d8e91.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-122e5099d7bfa142.so --extern rand=/opt/rustwide/target/debug/deps/librand-7347582d3aaa583b.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-bbf669faf7a67485.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a8efd98c355f8384.so --extern timely=/opt/rustwide/target/debug/deps/libtimely-d6999897f0b95a4f.rlib --extern timely_bytes=/opt/rustwide/target/debug/deps/libtimely_bytes-734cad1d97dec07f.rlib --extern timely_communication=/opt/rustwide/target/debug/deps/libtimely_communication-bedaccf50ec8819f.rlib --extern timely_logging=/opt/rustwide/target/debug/deps/libtimely_logging-333bfb1b3fecc2f0.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-6041cb8b74686141.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab8cb5c0c6d0f2812840003a79c17bd3f022e407ef5ecf8937dfa03ce2aeee3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8cb5c0c6d0f2812840003a79c17bd3f022e407ef5ecf8937dfa03ce2aeee3f", kill_on_drop: false }`
[INFO] [stdout] ab8cb5c0c6d0f2812840003a79c17bd3f022e407ef5ecf8937dfa03ce2aeee3f