[INFO] fetching crate acto-rs 0.5.2...
[INFO] checking acto-rs-0.5.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate acto-rs 0.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate acto-rs 0.5.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acto-rs 0.5.2
[INFO] finished tweaking crates.io crate acto-rs 0.5.2
[INFO] tweaked toml for crates.io crate acto-rs 0.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `src/main.rs` was erroneously implicitly accepted for binary `bench`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lossyq v0.1.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aac70408cb6e1290d1d6ec320ec3035ca0d977be6288bab0c2188e9d20ce1170
[INFO] running `Command { std: "docker" "start" "-a" "aac70408cb6e1290d1d6ec320ec3035ca0d977be6288bab0c2188e9d20ce1170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aac70408cb6e1290d1d6ec320ec3035ca0d977be6288bab0c2188e9d20ce1170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac70408cb6e1290d1d6ec320ec3035ca0d977be6288bab0c2188e9d20ce1170", kill_on_drop: false }`
[INFO] [stdout] aac70408cb6e1290d1d6ec320ec3035ca0d977be6288bab0c2188e9d20ce1170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7beade02ca30bf091c25be1a4faff56c3079dc8e26dc7e4b50e4c6929c7bc06c
[INFO] running `Command { std: "docker" "start" "-a" "7beade02ca30bf091c25be1a4faff56c3079dc8e26dc7e4b50e4c6929c7bc06c", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `src/main.rs` was erroneously implicitly accepted for binary `bench`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking lossyq v0.1.19
[INFO] [stderr]     Checking acto-rs v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/scheduler/wrap.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |   task:              Box<Task+Send>,
[INFO] [stdout]   |                          ^^^^^^^^^
[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: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 |   task:              Box<dyn Task+Send>,
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/source_wrap.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state      : Box<Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state      : Box<dyn Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/filter_wrap.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     state        : Box<Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 14 | |                             OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |__________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |   state        : Box<dyn Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ysplit_wrap.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     state         : Box<YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 15 | |                              OutputValueA=OutputValueA, OutputErrorA=OutputErrorA,
[INFO] [stdout] 16 | |                              OutputValueB=OutputValueB, OutputErrorB=OutputErrorB>+Send>,
[INFO] [stdout]    | |_______________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |   state         : Box<dyn YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ymerge_wrap.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     state        : Box<YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 16 | |                             InputValueB=InputValueB, InputErrorB=InputErrorB,
[INFO] [stdout] 17 | |                             OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |__________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |   state        : Box<dyn YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/sink_wrap.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state     : Box<Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state     : Box<dyn Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/scatter_wrap.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     state          : Box<Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 14 | |                                OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |   state          : Box<dyn Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/gather_wrap.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     state          : Box<Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 14 | |                               OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |____________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |   state          : Box<dyn Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/scheduler/wrap.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |   task:              Box<Task+Send>,
[INFO] [stdout]   |                          ^^^^^^^^^
[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: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 |   task:              Box<dyn Task+Send>,
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/source_wrap.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state      : Box<Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state      : Box<dyn Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/filter_wrap.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     state        : Box<Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 14 | |                             OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |__________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |   state        : Box<dyn Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ysplit_wrap.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     state         : Box<YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 15 | |                              OutputValueA=OutputValueA, OutputErrorA=OutputErrorA,
[INFO] [stdout] 16 | |                              OutputValueB=OutputValueB, OutputErrorB=OutputErrorB>+Send>,
[INFO] [stdout]    | |_______________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |   state         : Box<dyn YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ymerge_wrap.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     state        : Box<YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 16 | |                             InputValueB=InputValueB, InputErrorB=InputErrorB,
[INFO] [stdout] 17 | |                             OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |__________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |   state        : Box<dyn YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/sink_wrap.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state     : Box<Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |   state     : Box<dyn Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/scatter_wrap.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     state          : Box<Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 14 | |                                OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |   state          : Box<dyn Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/source.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     source          : Box<Source<OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     source          : Box<dyn Source<OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/gather_wrap.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     state          : Box<Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 14 | |                               OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |____________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |   state          : Box<dyn Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/filter.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |       filter          : Box<Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 24 | |                                  OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    | |_______________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     filter          : Box<dyn Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/ysplit.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |       ysplit            : Box<YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 30 | |                                    OutputValueA=OutputValueA, OutputErrorA=OutputErrorA,
[INFO] [stdout] 31 | |                                    OutputValueB=OutputValueB, OutputErrorB=OutputErrorB>+Send>)
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ysplit            : Box<dyn YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/ymerge.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |       ymerge           : Box<YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 29 | |                                   InputValueB=InputValueB, InputErrorB=InputErrorB,
[INFO] [stdout] 30 | |                                   OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    | |________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     ymerge           : Box<dyn YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/sink.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sink   : Box<Sink<InputValue=InputValue, InputError=InputError>+Send>)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sink   : Box<dyn Sink<InputValue=InputValue, InputError=InputError>+Send>)
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/scatter.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |       scatter         : Box<Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 24 | |                                   OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     scatter         : Box<dyn Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/gather.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |       gather          : Box<Gather<InputValue=InputValue,   InputError=InputError,
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 24 | |                                  OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_______________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     gather          : Box<dyn Gather<InputValue=InputValue,   InputError=InputError,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/source_wrap.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |            state      : Box<Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |            state      : Box<dyn Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/filter_wrap.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |                state        : Box<Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout] 22 | |                                        OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |              state        : Box<dyn Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ysplit_wrap.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |                state         : Box<YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 27 | |                                         OutputValueA=OutputValueA, OutputErrorA=OutputErrorA,
[INFO] [stdout] 28 | |                                         OutputValueB=OutputValueB, OutputErrorB=OutputErrorB>+Send>,
[INFO] [stdout]    | |__________________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |              state         : Box<dyn YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ymerge_wrap.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |                state        : Box<YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout] 28 | |                                        InputValueB=InputValueB, InputErrorB=InputErrorB,
[INFO] [stdout] 29 | |                                        OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |              state        : Box<dyn YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/sink_wrap.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |           state     : Box<Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |           state     : Box<dyn Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/scatter_wrap.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |             state          : Box<Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________________^
[INFO] [stdout] 22 | |                                        OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |           state          : Box<dyn Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/gather_wrap.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |             state          : Box<Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________________^
[INFO] [stdout] 22 | |                                       OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |           state          : Box<dyn Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/mod.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |                   task: Box<Task+Send>,
[INFO] [stdout]    |                             ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |                   task: Box<dyn Task+Send>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/wrap.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn new(task: Box<Task+Send>) -> TaskWrap {
[INFO] [stdout]    |                      ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn new(task: Box<dyn Task+Send>) -> TaskWrap {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/page.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                task: Box<Task+Send>)
[INFO] [stdout]    |                          ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |                task: Box<dyn Task+Send>)
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/data.rs:88:49
[INFO] [stdout]    |
[INFO] [stdout] 88 |   fn allocate_id_for_task(&mut self, task: &Box<Task+Send>) -> Result<TaskId, Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |   fn allocate_id_for_task(&mut self, task: &Box<dyn Task+Send>) -> Result<TaskId, Error> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scheduler/data.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |                   task: Box<Task+Send>,
[INFO] [stdout]     |                             ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |                   task: Box<dyn Task+Send>,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/source.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     source          : Box<Source<OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     source          : Box<dyn Source<OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/filter.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |       filter          : Box<Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 24 | |                                  OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    | |_______________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     filter          : Box<dyn Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/ysplit.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |       ysplit            : Box<YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 30 | |                                    OutputValueA=OutputValueA, OutputErrorA=OutputErrorA,
[INFO] [stdout] 31 | |                                    OutputValueB=OutputValueB, OutputErrorB=OutputErrorB>+Send>)
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ysplit            : Box<dyn YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/ymerge.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |       ymerge           : Box<YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 29 | |                                   InputValueB=InputValueB, InputErrorB=InputErrorB,
[INFO] [stdout] 30 | |                                   OutputValue=OutputValue, OutputError=OutputError>+Send>)
[INFO] [stdout]    | |________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     ymerge           : Box<dyn YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/sink.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sink   : Box<Sink<InputValue=InputValue, InputError=InputError>+Send>)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sink   : Box<dyn Sink<InputValue=InputValue, InputError=InputError>+Send>)
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/scatter.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |       scatter         : Box<Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 24 | |                                   OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     scatter         : Box<dyn Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/gather.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |       gather          : Box<Gather<InputValue=InputValue,   InputError=InputError,
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 24 | |                                  OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_______________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     gather          : Box<dyn Gather<InputValue=InputValue,   InputError=InputError,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/source_wrap.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |            state      : Box<Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |            state      : Box<dyn Source<OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/filter_wrap.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |                state        : Box<Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout] 22 | |                                        OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |              state        : Box<dyn Filter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ysplit_wrap.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |                state         : Box<YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 27 | |                                         OutputValueA=OutputValueA, OutputErrorA=OutputErrorA,
[INFO] [stdout] 28 | |                                         OutputValueB=OutputValueB, OutputErrorB=OutputErrorB>+Send>,
[INFO] [stdout]    | |__________________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |              state         : Box<dyn YSplit<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/ymerge_wrap.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |                state        : Box<YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout] 28 | |                                        InputValueB=InputValueB, InputErrorB=InputErrorB,
[INFO] [stdout] 29 | |                                        OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |              state        : Box<dyn YMerge<InputValueA=InputValueA, InputErrorA=InputErrorA,
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/sink_wrap.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |           state     : Box<Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |           state     : Box<dyn Sink<InputValue=InputValue, InputError=InputError>+Send>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/scatter_wrap.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |             state          : Box<Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________________^
[INFO] [stdout] 22 | |                                        OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |           state          : Box<dyn Scatter<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elem/wrap/gather_wrap.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |             state          : Box<Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |  ________________________________^
[INFO] [stdout] 22 | |                                       OutputValue=OutputValue, OutputError=OutputError>+Send>,
[INFO] [stdout]    | |____________________________________________________________________________________________^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |           state          : Box<dyn Gather<InputValue=InputValue, InputError=InputError,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/mod.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |                   task: Box<Task+Send>,
[INFO] [stdout]    |                             ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |                   task: Box<dyn Task+Send>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/wrap.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn new(task: Box<Task+Send>) -> TaskWrap {
[INFO] [stdout]    |                      ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn new(task: Box<dyn Task+Send>) -> TaskWrap {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/page.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                task: Box<Task+Send>)
[INFO] [stdout]    |                          ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |                task: Box<dyn Task+Send>)
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/data.rs:88:49
[INFO] [stdout]    |
[INFO] [stdout] 88 |   fn allocate_id_for_task(&mut self, task: &Box<Task+Send>) -> Result<TaskId, Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |   fn allocate_id_for_task(&mut self, task: &Box<dyn Task+Send>) -> Result<TaskId, Error> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scheduler/data.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |                   task: Box<Task+Send>,
[INFO] [stdout]     |                             ^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |                   task: Box<dyn Task+Send>,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler/wrap.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |       let mut slice = self.output_positions.as_mut_slice();
[INFO] [stdout]    |           ----^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler/wrap.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut slice = self.output_positions.as_mut_slice();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler/page.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut data_ref = &mut slice[idx];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler/wrap.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |       let mut slice = self.output_positions.as_mut_slice();
[INFO] [stdout]    |           ----^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler/wrap.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut slice = self.output_positions.as_mut_slice();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scheduler/page.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut data_ref = &mut slice[idx];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bench/bitset.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut slice = self.bits.as_mut_slice();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "7beade02ca30bf091c25be1a4faff56c3079dc8e26dc7e4b50e4c6929c7bc06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7beade02ca30bf091c25be1a4faff56c3079dc8e26dc7e4b50e4c6929c7bc06c", kill_on_drop: false }`
[INFO] [stdout] 7beade02ca30bf091c25be1a4faff56c3079dc8e26dc7e4b50e4c6929c7bc06c