[INFO] fetching crate differential-dataflow 0.21.1...
[INFO] checking differential-dataflow-0.21.1 against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate differential-dataflow 0.21.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate differential-dataflow 0.21.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate differential-dataflow 0.21.1
[INFO] tweaked toml for crates.io crate differential-dataflow 0.21.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate differential-dataflow 0.21.1 on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate differential-dataflow 0.21.1 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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 184bdcf599727560447b37880df52a44a47607bb93c92e89fdc08b3ecf42f320
[INFO] running `Command { std: "docker" "start" "-a" "184bdcf599727560447b37880df52a44a47607bb93c92e89fdc08b3ecf42f320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "184bdcf599727560447b37880df52a44a47607bb93c92e89fdc08b3ecf42f320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184bdcf599727560447b37880df52a44a47607bb93c92e89fdc08b3ecf42f320", kill_on_drop: false }`
[INFO] [stdout] 184bdcf599727560447b37880df52a44a47607bb93c92e89fdc08b3ecf42f320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b5d244248173d9a809d2f51080facfae12694013e0822f7b662f6d3a608d84
[INFO] running `Command { std: "docker" "start" "-a" "a3b5d244248173d9a809d2f51080facfae12694013e0822f7b662f6d3a608d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking timely_container v0.28.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking timely_bytes v0.28.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking timely_logging v0.28.0
[INFO] [stderr]     Checking graph_map v0.1.0
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling columnar_derive v0.12.0
[INFO] [stderr]     Checking mimalloc v0.1.48
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking columnar v0.12.0
[INFO] [stderr]     Checking columnation v0.1.2
[INFO] [stderr]     Checking timely_communication v0.28.0
[INFO] [stderr]     Checking timely v0.28.0
[INFO] [stderr]     Checking differential-dataflow v0.21.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> examples/columnar/columnar_support.rs:134:32
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 new_times.push(&t2);
[INFO] [stdout]     |                           ---- ^^^ expected associated type, found `&T2`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<<T2 as Columnar>::Container as columnar::Borrow>::Ref<'_>`
[INFO] [stdout]                      found reference `&T2`
[INFO] [stdout] help: a method is available that returns `<<T2 as Columnar>::Container as columnar::Borrow>::Ref<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/columnar-0.12.0/src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn reborrow_ref<'b, 'a: 'b>(item: Self::Ref<'a>) -> Self::Ref<'b> where Self: 'a;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider calling `reborrow_ref`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/columnar-0.12.0/src/lib.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |         fn push(&mut self, item: T);
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> examples/columnar/columnar_support.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 flat.push((k, v, &t2, d));
[INFO] [stdout]     |                                  ^^^ expected associated type, found `&T2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<<T2 as Columnar>::Container as columnar::Borrow>::Ref<'_>`
[INFO] [stdout]                      found reference `&T2`
[INFO] [stdout] help: a method is available that returns `<<T2 as Columnar>::Container as columnar::Borrow>::Ref<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/columnar-0.12.0/src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn reborrow_ref<'b, 'a: 'b>(item: Self::Ref<'a>) -> Self::Ref<'b> where Self: 'a;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider calling `reborrow_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `differential-dataflow` (example "columnar") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a3b5d244248173d9a809d2f51080facfae12694013e0822f7b662f6d3a608d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b5d244248173d9a809d2f51080facfae12694013e0822f7b662f6d3a608d84", kill_on_drop: false }`
[INFO] [stdout] a3b5d244248173d9a809d2f51080facfae12694013e0822f7b662f6d3a608d84