[INFO] fetching crate simulacrum_user 0.1.0...
[INFO] checking simulacrum_user-0.1.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate simulacrum_user 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simulacrum_user 0.1.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simulacrum_user 0.1.0
[INFO] finished tweaking crates.io crate simulacrum_user 0.1.0
[INFO] tweaked toml for crates.io crate simulacrum_user 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debugit v0.1.2
[INFO] [stderr]   Downloaded simulacrum_shared v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f0b29ddf5587ea5dd904569fdee02beb44edb7a9f0f4af25af6879564c4fb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "42f0b29ddf5587ea5dd904569fdee02beb44edb7a9f0f4af25af6879564c4fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f0b29ddf5587ea5dd904569fdee02beb44edb7a9f0f4af25af6879564c4fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f0b29ddf5587ea5dd904569fdee02beb44edb7a9f0f4af25af6879564c4fb9", kill_on_drop: false }`
[INFO] [stdout] 42f0b29ddf5587ea5dd904569fdee02beb44edb7a9f0f4af25af6879564c4fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ea7c031ee784c979a97648bc758b29b32affb1c8b54224fb002a4d78a63787
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80ea7c031ee784c979a97648bc758b29b32affb1c8b54224fb002a4d78a63787", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr]     Checking simulacrum_shared v0.1.0
[INFO] [stderr]     Checking simulacrum_user v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/validators/check.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Check<I>(Box<FnMut(&I) -> bool>);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> bool`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 28 | create_tuple_validator!(Tuple2: (0, A), (1, B));
[INFO] [stdout]    | ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 29 | create_tuple_validator!(Tuple3: (0, A), (1, B), (2, C));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 30 | create_tuple_validator!(Tuple4: (0, A), (1, B), (2, C), (3, D));
[INFO] [stdout]    | ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 31 | create_tuple_validator!(Tuple5: (0, A), (1, B), (2, C), (3, D), (4, E));
[INFO] [stdout]    | ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 32 | create_tuple_validator!(Tuple6: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 33 | create_tuple_validator!(Tuple7: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F), (6, G));
[INFO] [stdout]    | ---------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 34 | create_tuple_validator!(Tuple8: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F), (6, G),  (7, H));
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 35 | create_tuple_validator!(Tuple9: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F), (6, G),  (7, H), (8, I));
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/check.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Check<I>(Box<FnMut(&I) -> bool>);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> bool`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 28 | create_tuple_validator!(Tuple2: (0, A), (1, B));
[INFO] [stdout]    | ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 29 | create_tuple_validator!(Tuple3: (0, A), (1, B), (2, C));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 30 | create_tuple_validator!(Tuple4: (0, A), (1, B), (2, C), (3, D));
[INFO] [stdout]    | ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 31 | create_tuple_validator!(Tuple5: (0, A), (1, B), (2, C), (3, D), (4, E));
[INFO] [stdout]    | ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 32 | create_tuple_validator!(Tuple6: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 33 | create_tuple_validator!(Tuple7: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F), (6, G));
[INFO] [stdout]    | ---------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 34 | create_tuple_validator!(Tuple8: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F), (6, G),  (7, H));
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (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/validators/tuple.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |             $(pub Box<Validator<$generic>>),*
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<$generic>`
[INFO] [stdout] ...
[INFO] [stdout] 35 | create_tuple_validator!(Tuple9: (0, A), (1, B), (2, C), (3, D), (4, E), (5, F), (6, G),  (7, H), (8, I));
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `create_tuple_validator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "80ea7c031ee784c979a97648bc758b29b32affb1c8b54224fb002a4d78a63787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ea7c031ee784c979a97648bc758b29b32affb1c8b54224fb002a4d78a63787", kill_on_drop: false }`
[INFO] [stdout] 80ea7c031ee784c979a97648bc758b29b32affb1c8b54224fb002a4d78a63787