[INFO] fetching crate differential-dataflow 0.12.0...
[INFO] testing differential-dataflow-0.12.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate differential-dataflow 0.12.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate differential-dataflow 0.12.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate differential-dataflow 0.12.0
[INFO] finished tweaking crates.io crate differential-dataflow 0.12.0
[INFO] tweaked toml for crates.io crate differential-dataflow 0.12.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate differential-dataflow 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded timely_bytes v0.12.0
[INFO] [stderr]   Downloaded bincode v1.3.2
[INFO] [stderr]   Downloaded timely_logging v0.12.0
[INFO] [stderr]   Downloaded timely v0.12.0
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded timely_communication v0.12.0
[INFO] [stderr]   Downloaded rdkafka v0.24.0
[INFO] [stderr]   Downloaded rdkafka-sys v2.1.0+1.5.0
[INFO] [stderr]   Downloaded graph_map v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b25a31509f8a6ea3604f58163883ab7f88ceccec9cab7d982bf130452539710
[INFO] running `Command { std: "docker" "start" "-a" "6b25a31509f8a6ea3604f58163883ab7f88ceccec9cab7d982bf130452539710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b25a31509f8a6ea3604f58163883ab7f88ceccec9cab7d982bf130452539710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b25a31509f8a6ea3604f58163883ab7f88ceccec9cab7d982bf130452539710", kill_on_drop: false }`
[INFO] [stdout] 6b25a31509f8a6ea3604f58163883ab7f88ceccec9cab7d982bf130452539710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e2ce5b6d88027f35d9d78fcd0240276594415d967becaec13b0535d94df241
[INFO] running `Command { std: "docker" "start" "-a" "b1e2ce5b6d88027f35d9d78fcd0240276594415d967becaec13b0535d94df241", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling timely_bytes v0.12.0
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling timely_logging v0.12.0
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling timely_communication v0.12.0
[INFO] [stderr]    Compiling timely v0.12.0
[INFO] [stderr]    Compiling differential-dataflow v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lattice.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn join(&self, &Self) -> Self;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lattice.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn meet(&self, &Self) -> Self;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/operators/arrange/arrangement.rs:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 let frontier = IntoIterator::into_iter([
[INFO] [stdout] 409 |                     capability.as_ref().map(|c| c.time().clone()),
[INFO] [stdout] 410 |                     input1.frontier().frontier().get(0).cloned(),
[INFO] [stdout] 411 |                 ]).cloned().filter_map(|t| t).min();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.05s
[INFO] running `Command { std: "docker" "inspect" "b1e2ce5b6d88027f35d9d78fcd0240276594415d967becaec13b0535d94df241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e2ce5b6d88027f35d9d78fcd0240276594415d967becaec13b0535d94df241", kill_on_drop: false }`
[INFO] [stdout] b1e2ce5b6d88027f35d9d78fcd0240276594415d967becaec13b0535d94df241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c425a6ce3d1a011a8a76b41e061a531496a8b03e9e375a582cf61eff03aedea9
[INFO] running `Command { std: "docker" "start" "-a" "c425a6ce3d1a011a8a76b41e061a531496a8b03e9e375a582cf61eff03aedea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rdkafka-sys v2.1.0+1.5.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lattice.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn join(&self, &Self) -> Self;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lattice.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn meet(&self, &Self) -> Self;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/operators/arrange/arrangement.rs:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 let frontier = IntoIterator::into_iter([
[INFO] [stdout] 409 |                     capability.as_ref().map(|c| c.time().clone()),
[INFO] [stdout] 410 |                     input1.frontier().frontier().get(0).cloned(),
[INFO] [stdout] 411 |                 ]).cloned().filter_map(|t| t).min();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling graph_map v0.1.0
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling rdkafka v0.24.0
[INFO] [stderr]    Compiling differential-dataflow v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lattice.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn join(&self, &Self) -> Self;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lattice.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn meet(&self, &Self) -> Self;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[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 embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=c6f69cc621b03488 -C extra-filename=-c6f69cc621b03488 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-9835ea7c019fbaf8.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-a21377f4bdfa72a5.so --extern bincode=/opt/rustwide/target/debug/deps/libbincode-4c368173f37e39fa.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-3dc46fcfdc27cac2.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-d628522a721ce98f.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-059813dc4f8dd4c8.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-ad13a62b775a3f15.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-2112c90a9bf7e40b.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b0b3d384977af793.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-e8ffe6dfeadc6895.rlib --extern rdkafka=/opt/rustwide/target/debug/deps/librdkafka-de87c20139cf40d1.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f5bb92e5b24dd666.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-11fefc17e801c945.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3f1f7a821064e56d.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-714ef8a725988ae3.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/rdkafka-sys-0c320817f8acb34c/out/src` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/operators/arrange/arrangement.rs:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].into_iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].iter().cloned().filter_map(|t| t).min();
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 let frontier = IntoIterator::into_iter([
[INFO] [stdout] 409 |                     capability.as_ref().map(|c| c.time().clone()),
[INFO] [stdout] 410 |                     input1.frontier().frontier().get(0).cloned(),
[INFO] [stdout] 411 |                 ]).cloned().filter_map(|t| t).min();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c425a6ce3d1a011a8a76b41e061a531496a8b03e9e375a582cf61eff03aedea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c425a6ce3d1a011a8a76b41e061a531496a8b03e9e375a582cf61eff03aedea9", kill_on_drop: false }`
[INFO] [stdout] c425a6ce3d1a011a8a76b41e061a531496a8b03e9e375a582cf61eff03aedea9
