[INFO] fetching crate supercow 0.1.0...
[INFO] testing supercow-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate supercow 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate supercow 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supercow 0.1.0
[INFO] finished tweaking crates.io crate supercow 0.1.0
[INFO] tweaked toml for crates.io crate supercow 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4b20e85151800aa622b5b068d9e057a40e1c005fedade5b523e1dde11f036c
[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" "2f4b20e85151800aa622b5b068d9e057a40e1c005fedade5b523e1dde11f036c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4b20e85151800aa622b5b068d9e057a40e1c005fedade5b523e1dde11f036c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4b20e85151800aa622b5b068d9e057a40e1c005fedade5b523e1dde11f036c", kill_on_drop: false }`
[INFO] [stdout] 2f4b20e85151800aa622b5b068d9e057a40e1c005fedade5b523e1dde11f036c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91ebe479abc826ef3a968b31c04ffe474ad1d5b69541e7d59962453ba00e7011
[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" "91ebe479abc826ef3a968b31c04ffe474ad1d5b69541e7d59962453ba00e7011", kill_on_drop: false }`
[INFO] [stderr]    Compiling supercow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:886:43
[INFO] [stdout]     |
[INFO] [stdout] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stdout]     |
[INFO] [stdout] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stdout]     |
[INFO] [stdout] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:925:17
[INFO] [stdout]     |
[INFO] [stdout] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:886:43
[INFO] [stdout]     |
[INFO] [stdout] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stdout]     |
[INFO] [stdout] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stdout]     | |________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stdout]     |
[INFO] [stdout] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stdout]     | |________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:925:17
[INFO] [stdout]     |
[INFO] [stdout] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:985:18
[INFO] [stdout]     |
[INFO] [stdout] 985 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:995:37
[INFO] [stdout]     |
[INFO] [stdout] 995 |                        SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1003:18
[INFO] [stdout]      |
[INFO] [stdout] 1003 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1004:39
[INFO] [stdout]      |
[INFO] [stdout] 1004 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1022:34
[INFO] [stdout]      |
[INFO] [stdout] 1022 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1102:34
[INFO] [stdout]      |
[INFO] [stdout] 1102 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1108:41
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1113:40
[INFO] [stdout]      |
[INFO] [stdout] 1113 |                           SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1118:41
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1119:39
[INFO] [stdout]      |
[INFO] [stdout] 1119 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ext.rs:515:23
[INFO] [stdout]     |
[INFO] [stdout] 515 |         unsafe { mem::uninitialized() }
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "91ebe479abc826ef3a968b31c04ffe474ad1d5b69541e7d59962453ba00e7011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ebe479abc826ef3a968b31c04ffe474ad1d5b69541e7d59962453ba00e7011", kill_on_drop: false }`
[INFO] [stdout] 91ebe479abc826ef3a968b31c04ffe474ad1d5b69541e7d59962453ba00e7011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c961afd86a0da52b58f0dbfebbde451a6cc2cb60c42feb2861182f7ac517984a
[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" "c961afd86a0da52b58f0dbfebbde451a6cc2cb60c42feb2861182f7ac517984a", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:886:43
[INFO] [stdout]     |
[INFO] [stdout] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stdout]     |
[INFO] [stdout] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stdout]     |
[INFO] [stdout] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:925:17
[INFO] [stdout]     |
[INFO] [stdout] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:886:43
[INFO] [stdout]     |
[INFO] [stdout] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stdout]     |
[INFO] [stdout] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stdout]     | |________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stdout]     |
[INFO] [stdout] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stdout]     | |________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:925:17
[INFO] [stdout]     |
[INFO] [stdout] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling supercow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:985:18
[INFO] [stdout]     |
[INFO] [stdout] 985 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:995:37
[INFO] [stdout]     |
[INFO] [stdout] 995 |                        SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1003:18
[INFO] [stdout]      |
[INFO] [stdout] 1003 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1004:39
[INFO] [stdout]      |
[INFO] [stdout] 1004 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1022:34
[INFO] [stdout]      |
[INFO] [stdout] 1022 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1102:34
[INFO] [stdout]      |
[INFO] [stdout] 1102 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1108:41
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1113:40
[INFO] [stdout]      |
[INFO] [stdout] 1113 |                           SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1118:41
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1119:39
[INFO] [stdout]      |
[INFO] [stdout] 1119 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ext.rs:515:23
[INFO] [stdout]     |
[INFO] [stdout] 515 |         unsafe { mem::uninitialized() }
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:886:43
[INFO] [stdout]     |
[INFO] [stdout] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stdout]     |
[INFO] [stdout] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stdout]     |
[INFO] [stdout] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stdout]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:925:17
[INFO] [stdout]     |
[INFO] [stdout] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 949 | / supercow_features!(
[INFO] [stdout] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stdout] 951 | |     ///
[INFO] [stdout] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stdout] ...   |
[INFO] [stdout] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stdout] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:886:43
[INFO] [stdout]     |
[INFO] [stdout] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stdout]     |
[INFO] [stdout] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stdout]     | |________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stdout]     |
[INFO] [stdout] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stdout]     | |________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:925:17
[INFO] [stdout]     |
[INFO] [stdout] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stdout] ...
[INFO] [stdout] 959 | / supercow_features!(
[INFO] [stdout] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stdout] 961 | |     ///
[INFO] [stdout] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stdout] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stdout] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:985:18
[INFO] [stdout]     |
[INFO] [stdout] 985 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:995:37
[INFO] [stdout]     |
[INFO] [stdout] 995 |                        SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1003:18
[INFO] [stdout]      |
[INFO] [stdout] 1003 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1004:39
[INFO] [stdout]      |
[INFO] [stdout] 1004 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1022:34
[INFO] [stdout]      |
[INFO] [stdout] 1022 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1102:34
[INFO] [stdout]      |
[INFO] [stdout] 1102 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1108:41
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1113:40
[INFO] [stdout]      |
[INFO] [stdout] 1113 |                           SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 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/lib.rs:1118:41
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 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/lib.rs:1119:39
[INFO] [stdout]      |
[INFO] [stdout] 1119 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ext.rs:515:23
[INFO] [stdout]     |
[INFO] [stdout] 515 |         unsafe { mem::uninitialized() }
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "c961afd86a0da52b58f0dbfebbde451a6cc2cb60c42feb2861182f7ac517984a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c961afd86a0da52b58f0dbfebbde451a6cc2cb60c42feb2861182f7ac517984a", kill_on_drop: false }`
[INFO] [stdout] c961afd86a0da52b58f0dbfebbde451a6cc2cb60c42feb2861182f7ac517984a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 612cc54414b71cec913135ec52a974618c34f3e2288a625136f24d54374c5c52
[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" "612cc54414b71cec913135ec52a974618c34f3e2288a625136f24d54374c5c52", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:886:43
[INFO] [stderr]     |
[INFO] [stderr] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 949 | / supercow_features!(
[INFO] [stderr] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stderr] 951 | |     ///
[INFO] [stderr] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stderr] ...   |
[INFO] [stderr] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stderr] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stderr]     | |_____________________________________________________________________________- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stderr]     |
[INFO] [stderr] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 949 | / supercow_features!(
[INFO] [stderr] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stderr] 951 | |     ///
[INFO] [stderr] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stderr] ...   |
[INFO] [stderr] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stderr] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stderr]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:911:17
[INFO] [stderr]     |
[INFO] [stderr] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 949 | / supercow_features!(
[INFO] [stderr] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stderr] 951 | |     ///
[INFO] [stderr] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stderr] ...   |
[INFO] [stderr] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stderr] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stderr]     |
[INFO] [stderr] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 949 | / supercow_features!(
[INFO] [stderr] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stderr] 951 | |     ///
[INFO] [stderr] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stderr] ...   |
[INFO] [stderr] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stderr] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[INFO] [stderr]     | |_____________________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:925:17
[INFO] [stderr]     |
[INFO] [stderr] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 949 | / supercow_features!(
[INFO] [stderr] 950 | |     /// The default shared reference type for `Supercow`.
[INFO] [stderr] 951 | |     ///
[INFO] [stderr] 952 | |     /// This requires the shared reference type to be `Clone`, `Send`, and
[INFO] [stderr] ...   |
[INFO] [stderr] 957 | |     /// See also `NonSyncFeatures`.
[INFO] [stderr] 958 | |     pub trait DefaultFeatures: Clone, TwoStepShared(TwoStepArc), Send, Sync);
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:886:43
[INFO] [stderr]     |
[INFO] [stderr] 886 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a>;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 959 | / supercow_features!(
[INFO] [stderr] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stderr] 961 | |     ///
[INFO] [stderr] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stderr] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stderr] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:898:43
[INFO] [stderr]     |
[INFO] [stderr] 898 |               fn $clone_boxed(&self) -> Box<$feature_name<'a> + 'a> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 959 | / supercow_features!(
[INFO] [stderr] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stderr] 961 | |     ///
[INFO] [stderr] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stderr] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stderr] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stderr]     | |________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:911:17
[INFO] [stderr]     |
[INFO] [stderr] 911 |           for Box<$feature_name<'a> + 'a> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 959 | / supercow_features!(
[INFO] [stderr] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stderr] 961 | |     ///
[INFO] [stderr] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stderr] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stderr] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:917:33
[INFO] [stderr]     |
[INFO] [stderr] 917 |           impl<'a> $clone for Box<$feature_name<'a> + 'a> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 959 | / supercow_features!(
[INFO] [stderr] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stderr] 961 | |     ///
[INFO] [stderr] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stderr] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stderr] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[INFO] [stderr]     | |________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:925:17
[INFO] [stderr]     |
[INFO] [stderr] 925 |           for Box<$feature_name<'a> + 'a>
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $feature_name<'a> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 959 | / supercow_features!(
[INFO] [stderr] 960 | |     /// The shared reference type for `NonSyncSupercow`.
[INFO] [stderr] 961 | |     ///
[INFO] [stderr] 962 | |     /// Unlike `DefaultFeatures`, this only requires the shared reference type
[INFO] [stderr] 963 | |     /// to be `Clone`, thus permitting `Rc`.
[INFO] [stderr] 964 | |     pub trait NonSyncFeatures: Clone, TwoStepShared(TwoStepRc));
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `supercow_features` (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/lib.rs:985:18
[INFO] [stderr]     |
[INFO] [stderr] 985 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:995:37
[INFO] [stderr]     |
[INFO] [stderr] 995 |                        SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1003:18
[INFO] [stderr]      |
[INFO] [stderr] 1003 |              Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1004:39
[INFO] [stderr]      |
[INFO] [stderr] 1004 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1022:34
[INFO] [stderr]      |
[INFO] [stderr] 1022 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1102:34
[INFO] [stderr]      |
[INFO] [stderr] 1102 |                     SHARED = Box<DefaultFeatures<'static> + 'static>,
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1108:41
[INFO] [stderr]      |
[INFO] [stderr] 1108 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1113:40
[INFO] [stderr]      |
[INFO] [stderr] 1113 |                           SHARED = Box<DefaultFeatures<'static> + 'static>> =
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DefaultFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1118:41
[INFO] [stderr]      |
[INFO] [stderr] 1118 |     Phantomcow<'a, OWNED, BORROWED, Box<NonSyncFeatures<'static> + 'static>,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1119:39
[INFO] [stderr]      |
[INFO] [stderr] 1119 |              InlineStorage<OWNED, Box<NonSyncFeatures<'static> + 'static>>>;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn NonSyncFeatures<'static> + '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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/ext.rs:515:23
[INFO] [stderr]     |
[INFO] [stderr] 515 |         unsafe { mem::uninitialized() }
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `supercow` (lib) generated 21 warnings
[INFO] [stderr] warning: `supercow` (lib test) generated 21 warnings (21 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/supercow-6c4201f8602a46d6)
[INFO] [stdout] 
[INFO] [stdout] running 125 tests
[INFO] [stdout] test boxed_nonsync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::default_accepts_arc ... ok
[INFO] [stdout] test boxed_nonsync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test boxed_nonsync_tests::owned_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_shared_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::shared_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::supports_dst ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test boxed_nonsync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test boxed_nonsync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test boxed_nonsync_tests::ref_to_owned ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_string_str ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::default_accepts_arc ... ok
[INFO] [stdout] test boxed_nonsync_tests::unborrow_owned ... ok
[INFO] [stdout] test boxed_sync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test boxed_sync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test boxed_sync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test boxed_sync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test boxed_sync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::unborrow_shared ... ok
[INFO] [stdout] test boxed_nonsync_tests::take_ownership_shared ... ok
[INFO] [stdout] test boxed_nonsync_tests::take_ownership_owned ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::owned_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::share_shared_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::supports_dst ... ok
[INFO] [stdout] test boxed_sync_tests::shared_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::take_ownership_owned ... ok
[INFO] [stdout] test boxed_sync_tests::take_ownership_shared ... ok
[INFO] [stdout] test boxed_sync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test boxed_sync_tests::unborrow_owned ... ok
[INFO] [stdout] test boxed_sync_tests::unborrow_shared ... ok
[INFO] [stdout] test inline_nonsync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::default_accepts_arc ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test boxed_sync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::ref_to_owned ... ok
[INFO] [stdout] test boxed_sync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_string_str ... ok
[INFO] [stdout] test inline_nonsync_tests::owned_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::ref_to_owned ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test inline_nonsync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test inline_nonsync_tests::shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::supports_dst ... ok
[INFO] [stdout] test inline_nonsync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test boxed_sync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test inline_nonsync_tests::take_ownership_owned ... ok
[INFO] [stdout] test inline_nonsync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test inline_nonsync_tests::unborrow_owned ... ok
[INFO] [stdout] test inline_nonsync_tests::unborrow_shared ... ok
[INFO] [stdout] test inline_sync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::default_accepts_arc ... ok
[INFO] [stdout] test boxed_sync_tests::dst_string_str ... ok
[INFO] [stdout] test inline_sync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test inline_nonsync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test inline_nonsync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_shared_supercow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test inline_sync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test inline_sync_tests::dst_string_str ... ok
[INFO] [stdout] test boxed_sync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::take_ownership_shared ... ok
[INFO] [stdout] test inline_sync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test inline_sync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test inline_sync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_supercow ... ok
[INFO] [stdout] test inline_sync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test inline_nonsync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test inline_sync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test inline_sync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::owned_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::shared_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::supports_dst ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::ref_to_owned ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::share_shared_supercow ... ok
[INFO] [stdout] test inline_sync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test inline_sync_tests::unborrow_shared ... ok
[INFO] [stdout] test inline_sync_tests::take_ownership_shared ... ok
[INFO] [stdout] test misc_tests::do_add_two ... ok
[INFO] [stdout] test inline_sync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test inline_sync_tests::take_ownership_owned ... ok
[INFO] [stdout] test inline_sync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test inline_sync_tests::unborrow_owned ... ok
[INFO] [stdout] test boxed_sync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] test inline_sync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 125 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests supercow
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - (line 331) ... ignored
[INFO] [stdout] test src/lib.rs - (line 621) ... ignored
[INFO] [stdout] test src/lib.rs - (line 246) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 502) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name supercow --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern supercow=/opt/rustwide/target/debug/deps/libsupercow-d9f1cbe2d86f1d3e.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "612cc54414b71cec913135ec52a974618c34f3e2288a625136f24d54374c5c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612cc54414b71cec913135ec52a974618c34f3e2288a625136f24d54374c5c52", kill_on_drop: false }`
[INFO] [stdout] 612cc54414b71cec913135ec52a974618c34f3e2288a625136f24d54374c5c52
