[INFO] crate timely 0.11.1 is already in cache
[INFO] testing timely-0.11.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate timely 0.11.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate timely 0.11.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-11/source/Cargo.toml
[INFO] crate crates.io crate timely 0.11.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f42a9b3f0df4fe04b25535b7e4774af08b88c68ea8fb2ff186adc1d8b87bb77
[INFO] running `"docker" "start" "-a" "4f42a9b3f0df4fe04b25535b7e4774af08b88c68ea8fb2ff186adc1d8b87bb77"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.102
[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 getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[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 34.20s
[INFO] running `"docker" "inspect" "4f42a9b3f0df4fe04b25535b7e4774af08b88c68ea8fb2ff186adc1d8b87bb77"`
[INFO] running `"docker" "rm" "-f" "4f42a9b3f0df4fe04b25535b7e4774af08b88c68ea8fb2ff186adc1d8b87bb77"`
[INFO] [stdout] 4f42a9b3f0df4fe04b25535b7e4774af08b88c68ea8fb2ff186adc1d8b87bb77
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] f134f871685f40949c1a41e423bcc6fcfa8488784a9dd42eab0d3b60b6db16b5
[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" "f134f871685f40949c1a41e423bcc6fcfa8488784a9dd42eab0d3b60b6db16b5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[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] [stderr] warning: value captured by `next_t` is never read
[INFO] [stderr]   --> examples/flow_controlled.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |                         next_t = first_x / 100 * 100;
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `timely`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name simple --edition=2018 examples/simple.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=3117e62d1649f5d3 -C extra-filename=-3117e62d1649f5d3 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-213db66d11dc659e.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-38a0c9e37b1c95ed.so --extern rand=/opt/rustwide/target/debug/deps/librand-d9c95200ea82318d.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-14b06de44b71da26.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d3c8e6eb6e9aed4c.so --extern timely=/opt/rustwide/target/debug/deps/libtimely-f6fb95d56061c5c6.rlib --extern timely_bytes=/opt/rustwide/target/debug/deps/libtimely_bytes-0dd6ad60f81b8631.rlib --extern timely_communication=/opt/rustwide/target/debug/deps/libtimely_communication-88db3d286364a2ca.rlib --extern timely_logging=/opt/rustwide/target/debug/deps/libtimely_logging-5cc355664e72a19e.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-76c1928e7f641960.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f134f871685f40949c1a41e423bcc6fcfa8488784a9dd42eab0d3b60b6db16b5"`
[INFO] running `"docker" "rm" "-f" "f134f871685f40949c1a41e423bcc6fcfa8488784a9dd42eab0d3b60b6db16b5"`
[INFO] [stdout] f134f871685f40949c1a41e423bcc6fcfa8488784a9dd42eab0d3b60b6db16b5