[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] checking isubasinghe/diff-dataflow-examples against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisubasinghe%2Fdiff-dataflow-examples" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/isubasinghe/diff-dataflow-examples on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc1/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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded graph_map v0.1.0 [INFO] [stderr] Downloaded memmap v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 028bcb4a26473e8e777c1e29bc041ef6890ebbb35d688be8575cf8d8c39b9032 [INFO] running `Command { std: "docker" "start" "-a" "028bcb4a26473e8e777c1e29bc041ef6890ebbb35d688be8575cf8d8c39b9032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "028bcb4a26473e8e777c1e29bc041ef6890ebbb35d688be8575cf8d8c39b9032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "028bcb4a26473e8e777c1e29bc041ef6890ebbb35d688be8575cf8d8c39b9032", kill_on_drop: false }` [INFO] [stdout] 028bcb4a26473e8e777c1e29bc041ef6890ebbb35d688be8575cf8d8c39b9032 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcdcb808eb4894b2a3c6664703ec039ba69f98b53f3961503997f81def921590 [INFO] running `Command { std: "docker" "start" "-a" "bcdcb808eb4894b2a3c6664703ec039ba69f98b53f3961503997f81def921590", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking timely_logging v0.10.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking abomonation v0.7.3 [INFO] [stderr] Checking timely_bytes v0.10.0 [INFO] [stderr] Checking timely_sort v0.1.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memmap v0.5.2 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking graph_map v0.1.0 [INFO] [stderr] Compiling abomonation_derive v0.3.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling abomonation_derive v0.4.0 [INFO] [stderr] Checking timely_communication v0.10.0 [INFO] [stderr] Checking timely v0.10.0 [INFO] [stderr] Checking differential-dataflow v0.10.0 [INFO] [stderr] Checking graphs v0.1.0 (/opt/rustwide/workdir) [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::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: `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: `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 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 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 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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [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: 7 warnings emitted [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 `neighbourhoods` is never used [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] [stdout] warning: 3 warnings emitted [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 `neighbourhoods` is never used [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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.44s [INFO] running `Command { std: "docker" "inspect" "bcdcb808eb4894b2a3c6664703ec039ba69f98b53f3961503997f81def921590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcdcb808eb4894b2a3c6664703ec039ba69f98b53f3961503997f81def921590", kill_on_drop: false }` [INFO] [stdout] bcdcb808eb4894b2a3c6664703ec039ba69f98b53f3961503997f81def921590