[INFO] fetching crate differential-dataflow 0.16.1...
[INFO] checking differential-dataflow-0.16.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate differential-dataflow 0.16.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate differential-dataflow 0.16.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate differential-dataflow 0.16.1
[INFO] tweaked toml for crates.io crate differential-dataflow 0.16.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate differential-dataflow 0.16.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate differential-dataflow 0.16.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.5.2
[INFO] [stderr]   Downloaded columnar_derive v0.10.1
[INFO] [stderr]   Downloaded timely_container v0.22.0
[INFO] [stderr]   Downloaded graph_map v0.1.0
[INFO] [stderr]   Downloaded timely_communication v0.22.0
[INFO] [stderr]   Downloaded columnar v0.10.1
[INFO] [stderr]   Downloaded timely_logging v0.22.0
[INFO] [stderr]   Downloaded timely v0.22.0
[INFO] [stderr]   Downloaded timely_bytes v0.22.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d480150c03fc5cf7288744827ac7c80558d5d19f7f0f9d936b4a680389e412c
[INFO] running `Command { std: "docker" "start" "-a" "5d480150c03fc5cf7288744827ac7c80558d5d19f7f0f9d936b4a680389e412c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d480150c03fc5cf7288744827ac7c80558d5d19f7f0f9d936b4a680389e412c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d480150c03fc5cf7288744827ac7c80558d5d19f7f0f9d936b4a680389e412c", kill_on_drop: false }`
[INFO] [stdout] 5d480150c03fc5cf7288744827ac7c80558d5d19f7f0f9d936b4a680389e412c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2cc78ddcc4e25cc489eb0d7ba2056affa8712651c960c4a76ee1a62e9e7e94d
[INFO] running `Command { std: "docker" "start" "-a" "f2cc78ddcc4e25cc489eb0d7ba2056affa8712651c960c4a76ee1a62e9e7e94d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking timely_container v0.22.0
[INFO] [stderr]     Checking timely_bytes v0.22.0
[INFO] [stderr]     Checking getopts v0.2.23
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking columnation v0.1.0
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking timely_logging v0.22.0
[INFO] [stderr]     Checking graph_map v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling columnar_derive v0.10.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking columnar v0.10.1
[INFO] [stderr]     Checking timely_communication v0.22.0
[INFO] [stderr]     Checking timely v0.22.0
[INFO] [stderr]     Checking differential-dataflow v0.16.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/interpreted.rs:31:97
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| ((node as u32, dst))))
[INFO] [stdout]    |                                                                                         ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -                               .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| ((node as u32, dst))))
[INFO] [stdout] 31 +                               .flat_map(|node| graph.edges(node).iter().cloned().map(move |dst| (node as u32, dst)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.37s
[INFO] running `Command { std: "docker" "inspect" "f2cc78ddcc4e25cc489eb0d7ba2056affa8712651c960c4a76ee1a62e9e7e94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cc78ddcc4e25cc489eb0d7ba2056affa8712651c960c4a76ee1a62e9e7e94d", kill_on_drop: false }`
[INFO] [stdout] f2cc78ddcc4e25cc489eb0d7ba2056affa8712651c960c4a76ee1a62e9e7e94d