[INFO] crate differential-dataflow 0.11.0 is already in cache
[INFO] testing differential-dataflow-0.11.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate differential-dataflow 0.11.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate differential-dataflow 0.11.0 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 differential-dataflow 0.11.0
[INFO] finished tweaking crates.io crate differential-dataflow 0.11.0
[INFO] tweaked toml for crates.io crate differential-dataflow 0.11.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate differential-dataflow 0.11.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graph_map v0.1.0
[INFO] running `"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=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] 369dea81450c5cad79a2db06dac14677ed25b375e396e3643a4c673c2019c2b0
[INFO] running `"docker" "start" "-a" "369dea81450c5cad79a2db06dac14677ed25b375e396e3643a4c673c2019c2b0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling timely_logging v0.11.1
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_bytes v0.11.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling synstructure v0.12.1
[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
[INFO] [stderr]    Compiling differential-dataflow v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/operators/arrange/arrangement.rs:397:19
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stderr]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.66s
[INFO] running `"docker" "inspect" "369dea81450c5cad79a2db06dac14677ed25b375e396e3643a4c673c2019c2b0"`
[INFO] running `"docker" "rm" "-f" "369dea81450c5cad79a2db06dac14677ed25b375e396e3643a4c673c2019c2b0"`
[INFO] [stdout] 369dea81450c5cad79a2db06dac14677ed25b375e396e3643a4c673c2019c2b0
[INFO] running `"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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3870c54417dbbd4b1e0739668e3c3e77f23ed7a444da44524b9783843d03be1
[INFO] running `"docker" "start" "-a" "a3870c54417dbbd4b1e0739668e3c3e77f23ed7a444da44524b9783843d03be1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/operators/arrange/arrangement.rs:397:19
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stderr]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling graph_map v0.1.0
[INFO] [stderr]    Compiling differential-dataflow v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `differential_dataflow::operators::Count`
[INFO] [stderr]  --> examples/hello.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use differential_dataflow::operators::Count;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name compact examples/compact.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=9974ab21016a02b3 -C extra-filename=-9974ab21016a02b3 --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-a3ce0bf5ad81e6bf.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f8593b3755ad6d95.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-dceab280cb8ccb7b.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-18c63eb7d27d11b7.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-ef8d052f161f9fe1.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-830250671e6653f4.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9a90d29817c861d5.rlib --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-37623c8759d6c9ed.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1894aa2cf1ff6689.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-78c1cd0d85f676ce.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] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/operators/arrange/arrangement.rs:397:19
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stderr]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a3870c54417dbbd4b1e0739668e3c3e77f23ed7a444da44524b9783843d03be1"`
[INFO] running `"docker" "rm" "-f" "a3870c54417dbbd4b1e0739668e3c3e77f23ed7a444da44524b9783843d03be1"`
[INFO] [stdout] a3870c54417dbbd4b1e0739668e3c3e77f23ed7a444da44524b9783843d03be1