[INFO] fetching crate timely 0.11.1...
[INFO] testing timely-0.11.1 against 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 696331db8771643a91a4846d618f46a9b08f50728ca298239dfd51f8d3fd2a1a
[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" "696331db8771643a91a4846d618f46a9b08f50728ca298239dfd51f8d3fd2a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "696331db8771643a91a4846d618f46a9b08f50728ca298239dfd51f8d3fd2a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696331db8771643a91a4846d618f46a9b08f50728ca298239dfd51f8d3fd2a1a", kill_on_drop: false }`
[INFO] [stdout] 696331db8771643a91a4846d618f46a9b08f50728ca298239dfd51f8d3fd2a1a
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c87c095ccf1771286463920085f7eaab8f965918767c970413a33cbfc62b7b0
[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" "9c87c095ccf1771286463920085f7eaab8f965918767c970413a33cbfc62b7b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[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 33.16s
[INFO] running `Command { std: "docker" "inspect" "9c87c095ccf1771286463920085f7eaab8f965918767c970413a33cbfc62b7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c87c095ccf1771286463920085f7eaab8f965918767c970413a33cbfc62b7b0", kill_on_drop: false }`
[INFO] [stdout] 9c87c095ccf1771286463920085f7eaab8f965918767c970413a33cbfc62b7b0
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf2c7cdeba68c01bad98e859c9241bc436d7f05440482d3b54d5a299f18e71f0
[INFO] running `Command { std: "docker" "start" "-a" "cf2c7cdeba68c01bad98e859c9241bc436d7f05440482d3b54d5a299f18e71f0", kill_on_drop: false }`
[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] [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 distinct --edition=2018 examples/distinct.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=e14a35bb82cdfc33 -C extra-filename=-e14a35bb82cdfc33 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-e085526759a07067.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-e4bc5892d553e0f9.so --extern rand=/opt/rustwide/target/debug/deps/librand-b3803ccc26d6c1fa.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-72d797aad0d084ce.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-af1708315693b23c.so --extern timely=/opt/rustwide/target/debug/deps/libtimely-e0675c5cc01799e8.rlib --extern timely_bytes=/opt/rustwide/target/debug/deps/libtimely_bytes-8e439bc81e5010b1.rlib --extern timely_communication=/opt/rustwide/target/debug/deps/libtimely_communication-c510db6ba1e0eb64.rlib --extern timely_logging=/opt/rustwide/target/debug/deps/libtimely_logging-606c58441f7c4415.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-d68997c9c3365762.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 `Command { std: "docker" "inspect" "cf2c7cdeba68c01bad98e859c9241bc436d7f05440482d3b54d5a299f18e71f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2c7cdeba68c01bad98e859c9241bc436d7f05440482d3b54d5a299f18e71f0", kill_on_drop: false }`
[INFO] [stdout] cf2c7cdeba68c01bad98e859c9241bc436d7f05440482d3b54d5a299f18e71f0