[INFO] crate differential-dataflow 0.11.0 is already in cache
[INFO] testing differential-dataflow-0.11.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[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 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 001b929f39ce44980927b9aabb717bf52ba46c0a7fd3e27f53a310234ed03676
[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" "001b929f39ce44980927b9aabb717bf52ba46c0a7fd3e27f53a310234ed03676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "001b929f39ce44980927b9aabb717bf52ba46c0a7fd3e27f53a310234ed03676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001b929f39ce44980927b9aabb717bf52ba46c0a7fd3e27f53a310234ed03676", kill_on_drop: false }`
[INFO] [stdout] 001b929f39ce44980927b9aabb717bf52ba46c0a7fd3e27f53a310234ed03676
[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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 789d88906d10d17f55733d064510bece7de2c55748ce8ce29927abf6965263c3
[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" "789d88906d10d17f55733d064510bece7de2c55748ce8ce29927abf6965263c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling serde v1.0.102
[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 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] [stdout] 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] [stdout]    --> src/operators/arrange/arrangement.rs:397:19
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.72s
[INFO] running `Command { std: "docker" "inspect" "789d88906d10d17f55733d064510bece7de2c55748ce8ce29927abf6965263c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789d88906d10d17f55733d064510bece7de2c55748ce8ce29927abf6965263c3", kill_on_drop: false }`
[INFO] [stdout] 789d88906d10d17f55733d064510bece7de2c55748ce8ce29927abf6965263c3
[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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bb75de95aa8d2f80649d85a92b890b6acd66e8b7161c5fc6f466b1f4e8c1662
[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" "2bb75de95aa8d2f80649d85a92b890b6acd66e8b7161c5fc6f466b1f4e8c1662", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stdout] 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] [stdout]    --> src/operators/arrange/arrangement.rs:397:19
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling graph_map v0.1.0
[INFO] [stderr]    Compiling differential-dataflow v0.11.0 (/opt/rustwide/workdir)
[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 examples/bfs.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=7322080cac33b031 -C extra-filename=-7322080cac33b031 --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-6f17ec5ac1de9593.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7141a938ff93d068.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-f2863619b8467f7f.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-e461bc511369ce67.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-e328c3d9e158e24f.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-712c9a657d379d08.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-48c55f61becf1091.rlib --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-2411e99a50753c6d.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fda066344dc5fcec.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-2bdbe012b0c286ae.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] [stdout] 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] [stdout]    --> src/operators/arrange/arrangement.rs:397:19
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2bb75de95aa8d2f80649d85a92b890b6acd66e8b7161c5fc6f466b1f4e8c1662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb75de95aa8d2f80649d85a92b890b6acd66e8b7161c5fc6f466b1f4e8c1662", kill_on_drop: false }`
[INFO] [stdout] 2bb75de95aa8d2f80649d85a92b890b6acd66e8b7161c5fc6f466b1f4e8c1662