[INFO] updating cached repository https://github.com/comnik/declarative-dataflow
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e65f29ea77537b07a7b595caf8fe08c5a1c511f
[INFO] checking comnik/declarative-dataflow against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comnik/declarative-dataflow on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] finished tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] tweaked toml for git repo https://github.com/comnik/declarative-dataflow written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26a557d80956545d40d176110b8f956829b964e2981a9ca30e493b13dee4ec3d
[INFO] running `"docker" "start" "-a" "26a557d80956545d40d176110b8f956829b964e2981a9ca30e493b13dee4ec3d"`
[INFO] [stderr]     Checking timely_bytes v0.11.0 (https://github.com/TimelyDataflow/timely-dataflow#81ab002b)
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking timely_logging v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#81ab002b)
[INFO] [stderr]     Checking timely_sort v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking timely_communication v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#81ab002b)
[INFO] [stderr]     Checking timely v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#81ab002b)
[INFO] [stderr]     Checking differential-dataflow v0.11.0 (https://github.com/TimelyDataflow/differential-dataflow#80066510)
[INFO] [stderr]     Checking declarative-dataflow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0407]: method `minimum` is not a member of trait `Lattice`
[INFO] [stderr]   --> src/timestamp/altneu.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | /     fn minimum() -> Self {
[INFO] [stderr] 86 | |         AltNeu::alt(T::minimum())
[INFO] [stderr] 87 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Lattice`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `minimum` is not a member of trait `Lattice`
[INFO] [stderr]   --> src/timestamp/pair.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | /     fn minimum() -> Self {
[INFO] [stderr] 69 | |         Pair {
[INFO] [stderr] 70 | |             first: S::minimum(),
[INFO] [stderr] 71 | |             second: T::minimum(),
[INFO] [stderr] 72 | |         }
[INFO] [stderr] 73 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Lattice`
[INFO] [stderr] 
[INFO] [stderr] error[E0576]: cannot find method or associated constant `minimum` in trait `Lattice`
[INFO] [stderr]    --> src/domain/mod.rs:165:48
[INFO] [stderr]     |
[INFO] [stderr] 165 |             last_advance: vec![<T as Lattice>::minimum()],
[INFO] [stderr]     |                                                ^^^^^^^ not found in `Lattice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>>;
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:24:40
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var>;
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn can_extend(&self, prefix: &AsBinding, target: Var) -> bool {
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn ready_to_extend(&self, _prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:46:44
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn required_to_extend(&self, _prefix: &AsBinding, _target: Var) -> Option<Option<Var>> {
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:122:43
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:156:40
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:168:43
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:220:40
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:224:43
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:257:40
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:265:43
[INFO] [stderr]     |
[INFO] [stderr] 265 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:323:40
[INFO] [stderr]     |
[INFO] [stderr] 323 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:335:43
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/domain/mod.rs:304:46
[INFO] [stderr]     |
[INFO] [stderr] 304 |                         .collect::<Vec<T>>();;
[INFO] [stderr]     |                                              ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/plan/hector.rs:731:1
[INFO] [stderr]     |
[INFO] [stderr] 731 | ;
[INFO] [stderr]     | ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/plan/hector.rs:808:1
[INFO] [stderr]     |
[INFO] [stderr] 808 | ;
[INFO] [stderr]     | ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:543:41
[INFO] [stderr]     |
[INFO] [stderr] 543 |     fn ready_to_extend(&self, _prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:547:44
[INFO] [stderr]     |
[INFO] [stderr] 547 |     fn required_to_extend(&self, _prefix: &AsBinding, _target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                            ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:777:40
[INFO] [stderr]     |
[INFO] [stderr] 777 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:784:43
[INFO] [stderr]     |
[INFO] [stderr] 784 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `minimum` is not a member of trait `Lattice`
[INFO] [stderr]   --> src/timestamp/altneu.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | /     fn minimum() -> Self {
[INFO] [stderr] 86 | |         AltNeu::alt(T::minimum())
[INFO] [stderr] 87 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Lattice`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `minimum` is not a member of trait `Lattice`
[INFO] [stderr]   --> src/timestamp/pair.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | /     fn minimum() -> Self {
[INFO] [stderr] 69 | |         Pair {
[INFO] [stderr] 70 | |             first: S::minimum(),
[INFO] [stderr] 71 | |             second: T::minimum(),
[INFO] [stderr] 72 | |         }
[INFO] [stderr] 73 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Lattice`
[INFO] [stderr] 
[INFO] [stderr] error[E0576]: cannot find method or associated constant `minimum` in trait `Lattice`
[INFO] [stderr]    --> src/domain/mod.rs:165:48
[INFO] [stderr]     |
[INFO] [stderr] 165 |             last_advance: vec![<T as Lattice>::minimum()],
[INFO] [stderr]     |                                                ^^^^^^^ not found in `Lattice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>>;
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:24:40
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var>;
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn can_extend(&self, prefix: &AsBinding, target: Var) -> bool {
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn ready_to_extend(&self, _prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/binding/mod.rs:46:44
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn required_to_extend(&self, _prefix: &AsBinding, _target: Var) -> Option<Option<Var>> {
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:122:43
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:156:40
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:168:43
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:220:40
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:224:43
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:257:40
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:265:43
[INFO] [stderr]     |
[INFO] [stderr] 265 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:323:40
[INFO] [stderr]     |
[INFO] [stderr] 323 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/binding/mod.rs:335:43
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/domain/mod.rs:304:46
[INFO] [stderr]     |
[INFO] [stderr] 304 |                         .collect::<Vec<T>>();;
[INFO] [stderr]     |                                              ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/plan/hector.rs:731:1
[INFO] [stderr]     |
[INFO] [stderr] 731 | ;
[INFO] [stderr]     | ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/plan/hector.rs:808:1
[INFO] [stderr]     |
[INFO] [stderr] 808 | ;
[INFO] [stderr]     | ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:543:41
[INFO] [stderr]     |
[INFO] [stderr] 543 |     fn ready_to_extend(&self, _prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:547:44
[INFO] [stderr]     |
[INFO] [stderr] 547 |     fn required_to_extend(&self, _prefix: &AsBinding, _target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                            ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:777:40
[INFO] [stderr]     |
[INFO] [stderr] 777 |     fn ready_to_extend(&self, prefix: &AsBinding) -> Option<Var> {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:784:43
[INFO] [stderr]     |
[INFO] [stderr] 784 |     fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option<Option<Var>> {
[INFO] [stderr]     |                                           ^^^^^^^^^ help: use `dyn`: `dyn AsBinding`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `minimum`
[INFO] [stderr]   --> src/timestamp/altneu.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | impl<T: Timestamp> Timestamp for AltNeu<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `minimum` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = help: implement the missing item: `fn minimum() -> Self { unimplemented!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `minimum`
[INFO] [stderr]   --> src/timestamp/pair.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl<S: Timestamp, T: Timestamp> Timestamp for Pair<S, T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `minimum` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = help: implement the missing item: `fn minimum() -> Self { unimplemented!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `minimum`
[INFO] [stderr]   --> src/timestamp/altneu.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | impl<T: Timestamp> Timestamp for AltNeu<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `minimum` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = help: implement the missing item: `fn minimum() -> Self { unimplemented!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `minimum`
[INFO] [stderr]   --> src/timestamp/pair.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl<S: Timestamp, T: Timestamp> Timestamp for Pair<S, T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `minimum` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = help: implement the missing item: `fn minimum() -> Self { unimplemented!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:596:40
[INFO] [stderr]     |
[INFO] [stderr] 585 |     fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                            - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 596 |             .map(|(data, diff)| (data, Default::default(), diff))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:606:13
[INFO] [stderr]     |
[INFO] [stderr] 585 |       fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                              - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 606 | /             raw[&name]
[INFO] [stderr] 607 | |                 .arrange_named(&format!("->Propose({})", &name))
[INFO] [stderr] 608 | |                 .trace,
[INFO] [stderr]     | |______________________^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:636:37
[INFO] [stderr]     |
[INFO] [stderr] 626 |     fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                            - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 636 |         let pairs = self.probe_with(&mut domain.domain_probe);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:696:35
[INFO] [stderr]     |
[INFO] [stderr] 683 |     fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                            - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 696 |             .insert(name.clone(), UnorderedSession::from(handle, cap));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:596:40
[INFO] [stderr]     |
[INFO] [stderr] 585 |     fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                            - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 596 |             .map(|(data, diff)| (data, Default::default(), diff))
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:606:13
[INFO] [stderr]     |
[INFO] [stderr] 585 |       fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                              - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 606 | /             raw[&name]
[INFO] [stderr] 607 | |                 .arrange_named(&format!("->Propose({})", &name))
[INFO] [stderr] 608 | |                 .trace,
[INFO] [stderr]     | |______________________^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:636:37
[INFO] [stderr]     |
[INFO] [stderr] 626 |     fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                            - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 636 |         let pairs = self.probe_with(&mut domain.domain_probe);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/domain/mod.rs:696:35
[INFO] [stderr]     |
[INFO] [stderr] 683 |     fn as_singleton_domain<X: Into<A>>(self, name: X) -> ScopedDomain<A, S> {
[INFO] [stderr]     |                                                                            - help: consider further restricting the associated type: `where <S as timely::dataflow::scopes::ScopeParent>::Timestamp: std::default::Default`
[INFO] [stderr] ...
[INFO] [stderr] 696 |             .insert(name.clone(), UnorderedSession::from(handle, cap));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `<S as timely::dataflow::scopes::ScopeParent>::Timestamp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `S: std::default::Default` is not satisfied
[INFO] [stderr]   --> src/timestamp/pair.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<S: Timestamp, T: Timestamp> Refines<()> for Pair<S, T> {
[INFO] [stderr]    |      -- help: consider further restricting this bound: `S: std::default::Default +`
[INFO] [stderr] 38 |     fn to_inner(_outer: ()) -> Self {
[INFO] [stderr] 39 |         Default::default()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `S`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::default::Default` for `timestamp::pair::Pair<S, T>`
[INFO] [stderr]    = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `T: std::default::Default` is not satisfied
[INFO] [stderr]   --> src/timestamp/pair.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<S: Timestamp, T: Timestamp> Refines<()> for Pair<S, T> {
[INFO] [stderr]    |                    -- help: consider further restricting this bound: `T: std::default::Default +`
[INFO] [stderr] 38 |     fn to_inner(_outer: ()) -> Self {
[INFO] [stderr] 39 |         Default::default()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::default::Default` for `timestamp::pair::Pair<S, T>`
[INFO] [stderr]    = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0277, E0407, E0576.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `declarative-dataflow`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `S: std::default::Default` is not satisfied
[INFO] [stderr]   --> src/timestamp/pair.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<S: Timestamp, T: Timestamp> Refines<()> for Pair<S, T> {
[INFO] [stderr]    |      -- help: consider further restricting this bound: `S: std::default::Default +`
[INFO] [stderr] 38 |     fn to_inner(_outer: ()) -> Self {
[INFO] [stderr] 39 |         Default::default()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `S`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::default::Default` for `timestamp::pair::Pair<S, T>`
[INFO] [stderr]    = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `T: std::default::Default` is not satisfied
[INFO] [stderr]   --> src/timestamp/pair.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<S: Timestamp, T: Timestamp> Refines<()> for Pair<S, T> {
[INFO] [stderr]    |                    -- help: consider further restricting this bound: `T: std::default::Default +`
[INFO] [stderr] 38 |     fn to_inner(_outer: ()) -> Self {
[INFO] [stderr] 39 |         Default::default()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::default::Default` for `timestamp::pair::Pair<S, T>`
[INFO] [stderr]    = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0277, E0407, E0576.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `declarative-dataflow`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "26a557d80956545d40d176110b8f956829b964e2981a9ca30e493b13dee4ec3d"`
[INFO] running `"docker" "rm" "-f" "26a557d80956545d40d176110b8f956829b964e2981a9ca30e493b13dee4ec3d"`
[INFO] [stdout] 26a557d80956545d40d176110b8f956829b964e2981a9ca30e493b13dee4ec3d