[INFO] fetching crate differential-dataflow 0.12.0... [INFO] testing differential-dataflow-0.12.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate differential-dataflow 0.12.0 into /workspace/builds/worker-56/source [INFO] validating manifest of crates.io crate differential-dataflow 0.12.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-56/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c07446568c3017788113364b297c86d170e4cc67f63db873793e87a459fc61a [INFO] running `Command { std: "docker" "start" "-a" "7c07446568c3017788113364b297c86d170e4cc67f63db873793e87a459fc61a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c07446568c3017788113364b297c86d170e4cc67f63db873793e87a459fc61a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c07446568c3017788113364b297c86d170e4cc67f63db873793e87a459fc61a", kill_on_drop: false }` [INFO] [stdout] 7c07446568c3017788113364b297c86d170e4cc67f63db873793e87a459fc61a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 957b5c3d586eda202c99f0e597434948a8e5893a23e318ef5d614f9440fe4137 [INFO] running `Command { std: "docker" "start" "-a" "957b5c3d586eda202c99f0e597434948a8e5893a23e318ef5d614f9440fe4137", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling futures-core v0.3.13 [INFO] [stderr] Compiling futures-sink v0.3.13 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-io v0.3.13 [INFO] [stderr] Compiling abomonation v0.7.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling timely_logging v0.12.0 [INFO] [stderr] Compiling timely_bytes v0.12.0 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling abomonation_derive v0.5.0 [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 [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 [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 [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 25.66s [INFO] running `Command { std: "docker" "inspect" "957b5c3d586eda202c99f0e597434948a8e5893a23e318ef5d614f9440fe4137", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "957b5c3d586eda202c99f0e597434948a8e5893a23e318ef5d614f9440fe4137", kill_on_drop: false }` [INFO] [stdout] 957b5c3d586eda202c99f0e597434948a8e5893a23e318ef5d614f9440fe4137 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6793c943fac6dc8e92f01dfa1ee2be56953d37a54ef66dc1d73985d94627fb1f [INFO] running `Command { std: "docker" "start" "-a" "6793c943fac6dc8e92f01dfa1ee2be56953d37a54ef66dc1d73985d94627fb1f", 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] Compiling libc v0.2.88 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling futures-executor v0.3.13 [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 [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 [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 [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 futures v0.3.13 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling rdkafka-sys v2.1.0+1.5.0 [INFO] [stderr] Compiling bincode v1.3.2 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling memmap v0.5.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling graph_map v0.1.0 [INFO] [stderr] Compiling num_enum_derive v0.5.1 [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 [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 [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 monoid_bfs examples/monoid-bfs.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=d5744ab1f8afe979 -C extra-filename=-d5744ab1f8afe979 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-6741032772505f37.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-db6ff2c74e5c1c78.so --extern bincode=/opt/rustwide/target/debug/deps/libbincode-a56711a8d8809da2.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-65be7507519f3778.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-c2765fc2b4a6d3c4.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-22cd72556da4b99c.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-26619182b70915f3.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-f8a75fed9c5dab6e.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-48f7f30c96a80c1c.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1047f79748790f31.rlib --extern rdkafka=/opt/rustwide/target/debug/deps/librdkafka-da1b0f9d62791c5d.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-54e24b02635d033f.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3218dbdfd5e1946b.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-18f7df16ab8ea506.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-1d1792ac54da4284.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/rdkafka-sys-ba75be6d7255632a/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 [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" "6793c943fac6dc8e92f01dfa1ee2be56953d37a54ef66dc1d73985d94627fb1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6793c943fac6dc8e92f01dfa1ee2be56953d37a54ef66dc1d73985d94627fb1f", kill_on_drop: false }` [INFO] [stdout] 6793c943fac6dc8e92f01dfa1ee2be56953d37a54ef66dc1d73985d94627fb1f