[INFO] fetching crate differential-dataflow 0.12.0...
[INFO] testing differential-dataflow-0.12.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate differential-dataflow 0.12.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate differential-dataflow 0.12.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-90/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" "+1.54.0" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85227087cc0ebfa257817c45fb14ea997a6cc961a0df0edb3cbee1ea7c2de081
[INFO] running `Command { std: "docker" "start" "-a" "85227087cc0ebfa257817c45fb14ea997a6cc961a0df0edb3cbee1ea7c2de081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85227087cc0ebfa257817c45fb14ea997a6cc961a0df0edb3cbee1ea7c2de081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85227087cc0ebfa257817c45fb14ea997a6cc961a0df0edb3cbee1ea7c2de081", kill_on_drop: false }`
[INFO] [stdout] 85227087cc0ebfa257817c45fb14ea997a6cc961a0df0edb3cbee1ea7c2de081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe54a99a7e769911623b2357c1367e67666bae6322be99091d60a0373f669a7
[INFO] running `Command { std: "docker" "start" "-a" "4fe54a99a7e769911623b2357c1367e67666bae6322be99091d60a0373f669a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.63
[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 timely_logging v0.12.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_bytes v0.12.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[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 serde_derive v1.0.124
[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 serde v1.0.124
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 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:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].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 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.89s
[INFO] running `Command { std: "docker" "inspect" "4fe54a99a7e769911623b2357c1367e67666bae6322be99091d60a0373f669a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe54a99a7e769911623b2357c1367e67666bae6322be99091d60a0373f669a7", kill_on_drop: false }`
[INFO] [stdout] 4fe54a99a7e769911623b2357c1367e67666bae6322be99091d60a0373f669a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c48ac955431e6fc2363bb52fb3547916fbdcedfbbe607689a90981c85ce5f51f
[INFO] running `Command { std: "docker" "start" "-a" "c48ac955431e6fc2363bb52fb3547916fbdcedfbbe607689a90981c85ce5f51f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rdkafka-sys v2.1.0+1.5.0
[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] [stderr]    Compiling serde_json v1.0.64
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 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:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].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 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling rand v0.4.6
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 stackoverflow examples/stackoverflow.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=2175cf865b19f620 -C extra-filename=-2175cf865b19f620 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-5b7d0dc40b5e7f25.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-40031c2bbf63cb76.so --extern bincode=/opt/rustwide/target/debug/deps/libbincode-901b5c03b8a899fb.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d836ba3e41654e24.rlib --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-5989ef714d0f9cd4.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-56e05e18a5751d51.rlib --extern graph_map=/opt/rustwide/target/debug/deps/libgraph_map-72291dd5f982477d.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-d2a9cda8e6501683.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-aca2f2ff0fdbb216.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-a4a3ac939110a6b6.rlib --extern rdkafka=/opt/rustwide/target/debug/deps/librdkafka-21983bcbb19a26cd.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-c7106c1bfda13e59.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-9134b35bed5d967d.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e3d74b5de8884593.rlib --extern timely=/opt/rustwide/target/debug/deps/libtimely-7c0e89543cfe5a7f.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/rdkafka-sys-7a9f38c3a3b300a5/out/src` (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:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 ].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 <https://github.com/rust-lang/rust/issues/66145>
[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" "c48ac955431e6fc2363bb52fb3547916fbdcedfbbe607689a90981c85ce5f51f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48ac955431e6fc2363bb52fb3547916fbdcedfbbe607689a90981c85ce5f51f", kill_on_drop: false }`
[INFO] [stdout] c48ac955431e6fc2363bb52fb3547916fbdcedfbbe607689a90981c85ce5f51f
