[INFO] fetching crate differential-dataflow 0.11.0... [INFO] testing differential-dataflow-0.11.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate differential-dataflow 0.11.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate differential-dataflow 0.11.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded graph_map v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b407cc8680fe41977b648dd040503a495f07d5ae77f932b9941944e294496ddb [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" "b407cc8680fe41977b648dd040503a495f07d5ae77f932b9941944e294496ddb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b407cc8680fe41977b648dd040503a495f07d5ae77f932b9941944e294496ddb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b407cc8680fe41977b648dd040503a495f07d5ae77f932b9941944e294496ddb", kill_on_drop: false }` [INFO] [stdout] b407cc8680fe41977b648dd040503a495f07d5ae77f932b9941944e294496ddb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11579cf491eca437118e0ccaa39f84dc8f5f257f1251ee0ea9999f13388a2908 [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" "11579cf491eca437118e0ccaa39f84dc8f5f257f1251ee0ea9999f13388a2908", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling timely_logging v0.11.1 [INFO] [stderr] Compiling timely_bytes v0.11.0 [INFO] [stderr] Compiling abomonation v0.7.3 [INFO] [stderr] Compiling timely_sort v0.1.6 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.26s [INFO] running `Command { std: "docker" "inspect" "11579cf491eca437118e0ccaa39f84dc8f5f257f1251ee0ea9999f13388a2908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11579cf491eca437118e0ccaa39f84dc8f5f257f1251ee0ea9999f13388a2908", kill_on_drop: false }` [INFO] [stdout] 11579cf491eca437118e0ccaa39f84dc8f5f257f1251ee0ea9999f13388a2908 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b457b88eecacc5d6a4fb8fb765cdf7a8843d951e4c47e47434ee590c4427e205 [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" "b457b88eecacc5d6a4fb8fb765cdf7a8843d951e4c47e47434ee590c4427e205", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memmap v0.5.2 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling graph_map v0.1.0 [INFO] [stderr] Compiling differential-dataflow v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `differential_dataflow::operators::Count` [INFO] [stdout] --> examples/hello.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use differential_dataflow::operators::Count; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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 hello examples/hello.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=4d515d7ed385463d -C extra-filename=-4d515d7ed385463d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-3caa8326b3677d56.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-d3ddfb4040ee3433.so --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d9d0103afea89763.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-98901fce4bbeed60.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-81254b20febae08d.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-db093a02ce26d99d.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-7e9066daaf6470fb.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-dd668f2fc1318253.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d5cc10f96007a8c7.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-b661812a774a40fe.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-2736394a67301f61.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-51e1acde11285ffc.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-2891e049d775e5a3.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-a1d107cd07a65d0e.rlib --cap-lints=warn` (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 [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" "b457b88eecacc5d6a4fb8fb765cdf7a8843d951e4c47e47434ee590c4427e205", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b457b88eecacc5d6a4fb8fb765cdf7a8843d951e4c47e47434ee590c4427e205", kill_on_drop: false }` [INFO] [stdout] b457b88eecacc5d6a4fb8fb765cdf7a8843d951e4c47e47434ee590c4427e205