[INFO] crate differential-dataflow 0.11.0 is already in cache
[INFO] testing differential-dataflow-0.11.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate differential-dataflow 0.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate differential-dataflow 0.11.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-4/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "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] e75b3bb5cffa65e34f3f999906ae701b3a0345536982e287e5e2854ee5032be1
[INFO] running `"docker" "start" "-a" "e75b3bb5cffa65e34f3f999906ae701b3a0345536982e287e5e2854ee5032be1"`
[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 timely_bytes v0.11.0
[INFO] [stderr]    Compiling timely_logging v0.11.1
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling getopts v0.2.21
[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 52.73s
[INFO] running `"docker" "inspect" "e75b3bb5cffa65e34f3f999906ae701b3a0345536982e287e5e2854ee5032be1"`
[INFO] running `"docker" "rm" "-f" "e75b3bb5cffa65e34f3f999906ae701b3a0345536982e287e5e2854ee5032be1"`
[INFO] [stdout] e75b3bb5cffa65e34f3f999906ae701b3a0345536982e287e5e2854ee5032be1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "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] a20e7e448190cef80eb6696038cded92f762eb4b577e5c54a0a971a8c8ff82ab
[INFO] running `"docker" "start" "-a" "a20e7e448190cef80eb6696038cded92f762eb4b577e5c54a0a971a8c8ff82ab"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.41
[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 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 -C debuginfo=2 -C metadata=d576e1acd932a0d3 -C extra-filename=-d576e1acd932a0d3 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stackoverflow examples/stackoverflow.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=451ca620db699425 -C extra-filename=-451ca620db699425 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hello examples/hello.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=161f33ff99aa5ece -C extra-filename=-161f33ff99aa5ece --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name reduce tests/reduce.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C debuginfo=2 --test -C metadata=40f871e0fafa9b46 -C extra-filename=-40f871e0fafa9b46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name monoid_bfs examples/monoid-bfs.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=005b86cc0034fa0b -C extra-filename=-005b86cc0034fa0b --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name accumulate examples/accumulate.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=72334d914adb7056 -C extra-filename=-72334d914adb7056 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name interpreted examples/interpreted.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=879d1e56fa99354c -C extra-filename=-879d1e56fa99354c --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name graspan examples/graspan.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=b18a2e5ba9a34174 -C extra-filename=-b18a2e5ba9a34174 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name scc tests/scc.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C debuginfo=2 --test -C metadata=740b3e8c0dea992f -C extra-filename=-740b3e8c0dea992f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name projekt examples/projekt.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=86e3dfb007c8b63a -C extra-filename=-86e3dfb007c8b63a --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name itembased_cf examples/itembased_cf.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=ddc9ca64e85a20b2 -C extra-filename=-ddc9ca64e85a20b2 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `differential-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bfs tests/bfs.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C debuginfo=2 --test -C metadata=68963cf822ea1945 -C extra-filename=-68963cf822ea1945 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-7d436b160f7ecd69.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-96d1104a2b6ec42b.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e25957e3c50c2ac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-3e3d8b6fe4eaacfa.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-d31b24e16c5649f9.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-025caddaa366c221.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-997ad3a87d4a1346.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-29d1cd72998e6e46.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f427e227eb35e3a7.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-01f6e9d4076957e6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-582da3b2f0134bbc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-fe6a0d56ead8b22a.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-7f545c7b50244084.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" "a20e7e448190cef80eb6696038cded92f762eb4b577e5c54a0a971a8c8ff82ab"`
[INFO] running `"docker" "rm" "-f" "a20e7e448190cef80eb6696038cded92f762eb4b577e5c54a0a971a8c8ff82ab"`
[INFO] [stdout] a20e7e448190cef80eb6696038cded92f762eb4b577e5c54a0a971a8c8ff82ab