[INFO] fetching crate mycroft-support 0.0.1...
[INFO] testing mycroft-support-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mycroft-support 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mycroft-support 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8181e55cd07765542b735ed996ab5eab1353d973be0a0e48555079529cecbd
[INFO] running `Command { std: "docker" "start" "-a" "bc8181e55cd07765542b735ed996ab5eab1353d973be0a0e48555079529cecbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8181e55cd07765542b735ed996ab5eab1353d973be0a0e48555079529cecbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8181e55cd07765542b735ed996ab5eab1353d973be0a0e48555079529cecbd", kill_on_drop: false }`
[INFO] [stdout] bc8181e55cd07765542b735ed996ab5eab1353d973be0a0e48555079529cecbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62660f95ffeec1af02e347f46647cbc132a425224187be60830179a15d0d23e0
[INFO] running `Command { std: "docker" "start" "-a" "62660f95ffeec1af02e347f46647cbc132a425224187be60830179a15d0d23e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mycroft-support v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/tuple.rs:222:19
[INFO] [stdout]     |
[INFO] [stdout] 222 |     aggs: Vec<Box<Aggregator + 'static>>,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/tuple.rs:376:39
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn new(m_aggs: Vec<Option<Box<Aggregator + 'static>>>) -> Self {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/join.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |     indices: Vec<&'a mut SkipIterator>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:109:39
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn reorder_indices(indices: &Vec<&mut SkipIterator>) -> Vec<usize> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:157:30
[INFO] [stdout]     |
[INFO] [stdout] 157 |         indices: Vec<&'a mut SkipIterator>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/aggregator.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn aggregate(&self, &[usize]) -> usize;
[INFO] [stdout]    |                         ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[usize]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn agg_clone(&self) -> Box<Aggregator>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 61 | castable_aggregator!(u8);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 62 | castable_aggregator!(u16);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 63 | castable_aggregator!(u32);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 64 | castable_aggregator!(u64);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 65 | castable_aggregator!(usize);
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 66 | castable_aggregator!(i8);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 67 | castable_aggregator!(i16);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 68 | castable_aggregator!(i32);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 69 | castable_aggregator!(i64);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 70 | castable_aggregator!(isize);
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/aggregator.rs:102:32
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "62660f95ffeec1af02e347f46647cbc132a425224187be60830179a15d0d23e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62660f95ffeec1af02e347f46647cbc132a425224187be60830179a15d0d23e0", kill_on_drop: false }`
[INFO] [stdout] 62660f95ffeec1af02e347f46647cbc132a425224187be60830179a15d0d23e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 407d59ff13b83ad43a1ed7d162aac2712d7bf5bfc572366dccb27bac43017fbb
[INFO] running `Command { std: "docker" "start" "-a" "407d59ff13b83ad43a1ed7d162aac2712d7bf5bfc572366dccb27bac43017fbb", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/tuple.rs:222:19
[INFO] [stdout]     |
[INFO] [stdout] 222 |     aggs: Vec<Box<Aggregator + 'static>>,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/tuple.rs:376:39
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn new(m_aggs: Vec<Option<Box<Aggregator + 'static>>>) -> Self {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/join.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |     indices: Vec<&'a mut SkipIterator>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:109:39
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn reorder_indices(indices: &Vec<&mut SkipIterator>) -> Vec<usize> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:157:30
[INFO] [stdout]     |
[INFO] [stdout] 157 |         indices: Vec<&'a mut SkipIterator>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/aggregator.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn aggregate(&self, &[usize]) -> usize;
[INFO] [stdout]    |                         ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[usize]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn agg_clone(&self) -> Box<Aggregator>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mycroft-support v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 61 | castable_aggregator!(u8);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 62 | castable_aggregator!(u16);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 63 | castable_aggregator!(u32);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 64 | castable_aggregator!(u64);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 65 | castable_aggregator!(usize);
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 66 | castable_aggregator!(i8);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 67 | castable_aggregator!(i16);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 68 | castable_aggregator!(i32);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 69 | castable_aggregator!(i64);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 70 | castable_aggregator!(isize);
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/aggregator.rs:102:32
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/tuple.rs:222:19
[INFO] [stdout]     |
[INFO] [stdout] 222 |     aggs: Vec<Box<Aggregator + 'static>>,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/tuple.rs:376:39
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn new(m_aggs: Vec<Option<Box<Aggregator + 'static>>>) -> Self {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Aggregator + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/join.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |     indices: Vec<&'a mut SkipIterator>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:109:39
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn reorder_indices(indices: &Vec<&mut SkipIterator>) -> Vec<usize> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:157:30
[INFO] [stdout]     |
[INFO] [stdout] 157 |         indices: Vec<&'a mut SkipIterator>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:334:27
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let its: Vec<&mut SkipIterator> = vec![&mut p, &mut q];
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:366:27
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let its: Vec<&mut SkipIterator> = vec![&mut p, &mut q];
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/join.rs:382:27
[INFO] [stdout]     |
[INFO] [stdout] 382 |         let its: Vec<&mut SkipIterator> = vec![&mut p, &mut q];
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SkipIterator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/aggregator.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn aggregate(&self, &[usize]) -> usize;
[INFO] [stdout]    |                         ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[usize]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn agg_clone(&self) -> Box<Aggregator>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 61 | castable_aggregator!(u8);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 62 | castable_aggregator!(u16);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 63 | castable_aggregator!(u32);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 64 | castable_aggregator!(u64);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 65 | castable_aggregator!(usize);
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 66 | castable_aggregator!(i8);
[INFO] [stdout]    | ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 67 | castable_aggregator!(i16);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 68 | castable_aggregator!(i32);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 69 | castable_aggregator!(i64);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/aggregator.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout] ...
[INFO] [stdout] 70 | castable_aggregator!(isize);
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `castable_aggregator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/aggregator.rs:102:32
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn agg_clone(&self) -> Box<Aggregator> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn Aggregator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "407d59ff13b83ad43a1ed7d162aac2712d7bf5bfc572366dccb27bac43017fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407d59ff13b83ad43a1ed7d162aac2712d7bf5bfc572366dccb27bac43017fbb", kill_on_drop: false }`
[INFO] [stdout] 407d59ff13b83ad43a1ed7d162aac2712d7bf5bfc572366dccb27bac43017fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e10abd5b01ce088aad62db020e6f5b975880259a8280ede57f3e5af905fd6671
[INFO] running `Command { std: "docker" "start" "-a" "e10abd5b01ce088aad62db020e6f5b975880259a8280ede57f3e5af905fd6671", kill_on_drop: false }`
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/aggregator.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn aggregate(&self, &[usize]) -> usize;
[INFO] [stderr]    |                         ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[usize]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: this warning originates in the macro `castable_aggregator` (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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `mycroft-support` (lib) generated 19 warnings
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `mycroft-support` (lib test) generated 22 warnings (19 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mycroft_support-4efb67877ff4e57c)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test join::test::reorder_real ... ok
[INFO] [stdout] test join::test::simple_join ... ok
[INFO] [stderr]    Doc-tests mycroft-support
[INFO] [stdout] test join::test::reorder_real2 ... ok
[INFO] [stdout] test join::test::reorder_vars_flip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e10abd5b01ce088aad62db020e6f5b975880259a8280ede57f3e5af905fd6671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10abd5b01ce088aad62db020e6f5b975880259a8280ede57f3e5af905fd6671", kill_on_drop: false }`
[INFO] [stdout] e10abd5b01ce088aad62db020e6f5b975880259a8280ede57f3e5af905fd6671