[INFO] cloning repository https://github.com/isubasinghe/diff-dataflow-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isubasinghe/diff-dataflow-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisubasinghe%2Fdiff-dataflow-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisubasinghe%2Fdiff-dataflow-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8374676aeb82d49fe9a758e1a2cca6cf6a8cceb2 [INFO] testing isubasinghe/diff-dataflow-examples against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisubasinghe%2Fdiff-dataflow-examples" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/isubasinghe/diff-dataflow-examples on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-12/source/.cargo/config [INFO] started tweaking git repo https://github.com/isubasinghe/diff-dataflow-examples [INFO] finished tweaking git repo https://github.com/isubasinghe/diff-dataflow-examples [INFO] tweaked toml for git repo https://github.com/isubasinghe/diff-dataflow-examples written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/isubasinghe/diff-dataflow-examples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 abomonation_derive v0.4.0 [INFO] [stderr] Downloaded abomonation v0.7.3 [INFO] [stderr] Downloaded memmap v0.5.2 [INFO] [stderr] Downloaded timely_sort v0.1.6 [INFO] [stderr] Downloaded timely_bytes v0.10.0 [INFO] [stderr] Downloaded graph_map v0.1.0 [INFO] [stderr] Downloaded timely_communication v0.10.0 [INFO] [stderr] Downloaded timely_logging v0.10.0 [INFO] [stderr] Downloaded timely v0.10.0 [INFO] [stderr] Downloaded differential-dataflow v0.10.0 [INFO] [stderr] Downloaded abomonation_derive v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66bf8f97f32b14ba6386ba5141f27dc33be95bbaa88711c1f8145ea52b410a5a [INFO] running `Command { std: "docker" "start" "-a" "66bf8f97f32b14ba6386ba5141f27dc33be95bbaa88711c1f8145ea52b410a5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66bf8f97f32b14ba6386ba5141f27dc33be95bbaa88711c1f8145ea52b410a5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66bf8f97f32b14ba6386ba5141f27dc33be95bbaa88711c1f8145ea52b410a5a", kill_on_drop: false }` [INFO] [stdout] 66bf8f97f32b14ba6386ba5141f27dc33be95bbaa88711c1f8145ea52b410a5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4ccabf3a8b8ba7533bacc163a6427f0c8604a018986f59c5c0c1dd92f8f0d8d [INFO] running `Command { std: "docker" "start" "-a" "c4ccabf3a8b8ba7533bacc163a6427f0c8604a018986f59c5c0c1dd92f8f0d8d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling abomonation v0.7.3 [INFO] [stderr] Compiling timely_logging v0.10.0 [INFO] [stderr] Compiling timely_bytes v0.10.0 [INFO] [stderr] Compiling timely_sort v0.1.6 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling abomonation_derive v0.4.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memmap v0.5.2 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling graph_map v0.1.0 [INFO] [stderr] Compiling abomonation_derive v0.3.0 [INFO] [stderr] Compiling timely_communication v0.10.0 [INFO] [stderr] Compiling timely v0.10.0 [INFO] [stderr] Compiling differential-dataflow v0.10.0 [INFO] [stderr] Compiling graphs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `differential_dataflow::lattice::Lattice` [INFO] [stdout] --> src/bin/neighbourhood.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use differential_dataflow::lattice::Lattice; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `differential_dataflow::lattice::Lattice` [INFO] [stdout] --> src/bin/reachable.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use differential_dataflow::lattice::Lattice; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Collection` [INFO] [stdout] --> src/bin/reachable.rs:2:43 [INFO] [stdout] | [INFO] [stdout] 2 | use differential_dataflow::{AsCollection, Collection}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Edge`, `Iter` [INFO] [stdout] --> src/bin/reachable.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use graphs::{Iter, Node, Edge}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `timely::dataflow::Scope` [INFO] [stdout] --> src/bin/reachable.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use timely::dataflow::Scope; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `differential_dataflow::operators::Iterate` [INFO] [stdout] --> src/bin/reachable.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use differential_dataflow::operators::Iterate; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `differential_dataflow::operators::join::Join` [INFO] [stdout] --> src/bin/reachable.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use differential_dataflow::operators::join::Join; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `differential_dataflow::operators::reduce::Threshold` [INFO] [stdout] --> src/bin/reachable.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use differential_dataflow::operators::reduce::Threshold; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `neighbours` [INFO] [stdout] --> src/bin/neighbourhood.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let neighbours = [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neighbours` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `neighbourhoods` [INFO] [stdout] --> src/bin/neighbourhood.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn neighbourhoods(edges: Collection>, source: Collection) -> Collection [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `graphs`; 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name neighbourhood --edition=2018 src/bin/neighbourhood.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=fcfe5923975aea6a -C extra-filename=-fcfe5923975aea6a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-809b5124691c87eb.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-9280f0fee6e6b9a7.rlib --extern graphs=/opt/rustwide/target/debug/deps/libgraphs-584c5d4fc6ac5951.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-8233c689b9bdc20b.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c4ccabf3a8b8ba7533bacc163a6427f0c8604a018986f59c5c0c1dd92f8f0d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4ccabf3a8b8ba7533bacc163a6427f0c8604a018986f59c5c0c1dd92f8f0d8d", kill_on_drop: false }` [INFO] [stdout] c4ccabf3a8b8ba7533bacc163a6427f0c8604a018986f59c5c0c1dd92f8f0d8d