[INFO] crate mycroft-support 0.0.1 is already in cache
[INFO] checking mycroft-support-0.0.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate mycroft-support 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mycroft-support 0.0.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mycroft-support 0.0.1
[INFO] finished tweaking crates.io crate mycroft-support 0.0.1
[INFO] tweaked toml for crates.io crate mycroft-support 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] c2adc282c959412f5477056474be3d9d363723fdcaf64de6011c37e45cb32ffa
[INFO] running `"docker" "start" "-a" "c2adc282c959412f5477056474be3d9d363723fdcaf64de6011c37e45cb32ffa"`
[INFO] [stderr]     Checking mycroft-support v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/tuple.rs:222:19
[INFO] [stderr]     |
[INFO] [stderr] 222 |     aggs: Vec<Box<Aggregator + 'static>>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[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/storage/tuple.rs:376:39
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn new(m_aggs: Vec<Option<Box<Aggregator + 'static>>>) -> Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/join.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |     indices: Vec<&'a mut SkipIterator>,
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/join.rs:109:39
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn reorder_indices(indices: &Vec<&mut SkipIterator>) -> Vec<usize> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/join.rs:157:30
[INFO] [stderr]     |
[INFO] [stderr] 157 |         indices: Vec<&'a mut SkipIterator>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn agg_clone(&self) -> Box<Aggregator>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 61 | castable_aggregator!(u8);
[INFO] [stderr]    | ------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 62 | castable_aggregator!(u16);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 63 | castable_aggregator!(u32);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 64 | castable_aggregator!(u64);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 65 | castable_aggregator!(usize);
[INFO] [stderr]    | ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 66 | castable_aggregator!(i8);
[INFO] [stderr]    | ------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 67 | castable_aggregator!(i16);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 68 | castable_aggregator!(i32);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 69 | castable_aggregator!(i64);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 70 | castable_aggregator!(isize);
[INFO] [stderr]    | ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aggregator.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/tuple.rs:222:19
[INFO] [stderr]     |
[INFO] [stderr] 222 |     aggs: Vec<Box<Aggregator + 'static>>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[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/storage/tuple.rs:376:39
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn new(m_aggs: Vec<Option<Box<Aggregator + 'static>>>) -> Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/join.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |     indices: Vec<&'a mut SkipIterator>,
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/join.rs:109:39
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn reorder_indices(indices: &Vec<&mut SkipIterator>) -> Vec<usize> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/join.rs:157:30
[INFO] [stderr]     |
[INFO] [stderr] 157 |         indices: Vec<&'a mut SkipIterator>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/join.rs:334:27
[INFO] [stderr]     |
[INFO] [stderr] 334 |         let its: Vec<&mut SkipIterator> = vec![&mut p, &mut q];
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/join.rs:366:27
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let its: Vec<&mut SkipIterator> = vec![&mut p, &mut q];
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/join.rs:382:27
[INFO] [stderr]     |
[INFO] [stderr] 382 |         let its: Vec<&mut SkipIterator> = vec![&mut p, &mut q];
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn agg_clone(&self) -> Box<Aggregator>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 61 | castable_aggregator!(u8);
[INFO] [stderr]    | ------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 62 | castable_aggregator!(u16);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 63 | castable_aggregator!(u32);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 64 | castable_aggregator!(u64);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 65 | castable_aggregator!(usize);
[INFO] [stderr]    | ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 66 | castable_aggregator!(i8);
[INFO] [stderr]    | ------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 67 | castable_aggregator!(i16);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 68 | castable_aggregator!(i32);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 69 | castable_aggregator!(i64);
[INFO] [stderr]    | -------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/aggregator.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] ...
[INFO] [stderr] 70 | castable_aggregator!(isize);
[INFO] [stderr]    | ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aggregator.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "c2adc282c959412f5477056474be3d9d363723fdcaf64de6011c37e45cb32ffa"`
[INFO] running `"docker" "rm" "-f" "c2adc282c959412f5477056474be3d9d363723fdcaf64de6011c37e45cb32ffa"`
[INFO] [stdout] c2adc282c959412f5477056474be3d9d363723fdcaf64de6011c37e45cb32ffa
