[INFO] fetching crate piston3d-construct 0.1.0...
[INFO] testing piston3d-construct-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate piston3d-construct 0.1.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate piston3d-construct 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston3d-construct 0.1.0
[INFO] finished tweaking crates.io crate piston3d-construct 0.1.0
[INFO] tweaked toml for crates.io crate piston3d-construct 0.1.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-float v0.3.0
[INFO] [stderr]   Downloaded vecmath v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de1c99d89fb800916bd7b06df5c805c605734c4e3bfbfc06b5b55056e2c1e9d0
[INFO] running `Command { std: "docker" "start" "-a" "de1c99d89fb800916bd7b06df5c805c605734c4e3bfbfc06b5b55056e2c1e9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de1c99d89fb800916bd7b06df5c805c605734c4e3bfbfc06b5b55056e2c1e9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1c99d89fb800916bd7b06df5c805c605734c4e3bfbfc06b5b55056e2c1e9d0", kill_on_drop: false }`
[INFO] [stdout] de1c99d89fb800916bd7b06df5c805c605734c4e3bfbfc06b5b55056e2c1e9d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586218ac5c0c51d59f1dceb0f3df7f0aeba71b5547fba2dbbce8525944bf6f87
[INFO] running `Command { std: "docker" "start" "-a" "586218ac5c0c51d59f1dceb0f3df7f0aeba71b5547fba2dbbce8525944bf6f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling piston3d-construct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stdout]     |                 ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stdout] 164 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1]])}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stdout]     |                 ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stdout] 180 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]])}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 - pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 79 + pub type Fn1<T> = Arc<dyn Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 - pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 81 + pub type Fn2<T> = Arc<dyn Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 - pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 83 + pub type Fn3<T> = Arc<dyn Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:204:10
[INFO] [stdout]     |
[INFO] [stdout] 204 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 204 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 204 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 203 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:10
[INFO] [stdout]     |
[INFO] [stdout] 217 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 217 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 216 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:230:10
[INFO] [stdout]     |
[INFO] [stdout] 230 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 230 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 230 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 229 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 229 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:10
[INFO] [stdout]     |
[INFO] [stdout] 283 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 283 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout] 283 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 282 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 282 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "586218ac5c0c51d59f1dceb0f3df7f0aeba71b5547fba2dbbce8525944bf6f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586218ac5c0c51d59f1dceb0f3df7f0aeba71b5547fba2dbbce8525944bf6f87", kill_on_drop: false }`
[INFO] [stdout] 586218ac5c0c51d59f1dceb0f3df7f0aeba71b5547fba2dbbce8525944bf6f87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f77421e5d3bdc5784778f6e76013d9a6a5e636ceae6f0e02a07faee47e59026
[INFO] running `Command { std: "docker" "start" "-a" "8f77421e5d3bdc5784778f6e76013d9a6a5e636ceae6f0e02a07faee47e59026", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston3d-construct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stdout]     |                 ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stdout] 164 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1]])}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stdout]     |                 ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stdout] 180 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]])}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 - pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 79 + pub type Fn1<T> = Arc<dyn Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 - pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 81 + pub type Fn2<T> = Arc<dyn Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 - pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 83 + pub type Fn3<T> = Arc<dyn Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:204:10
[INFO] [stdout]     |
[INFO] [stdout] 204 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 204 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 204 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 203 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:10
[INFO] [stdout]     |
[INFO] [stdout] 217 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 217 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 216 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:230:10
[INFO] [stdout]     |
[INFO] [stdout] 230 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 230 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 230 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 229 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 229 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:10
[INFO] [stdout]     |
[INFO] [stdout] 283 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 283 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout] 283 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 282 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 282 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stdout]     |                 ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stdout] 164 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1]])}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stdout]     |                 ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stdout] 180 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]])}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 - pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 79 + pub type Fn1<T> = Arc<dyn Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 - pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 81 + pub type Fn2<T> = Arc<dyn Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 - pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout] 83 + pub type Fn3<T> = Arc<dyn Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:204:10
[INFO] [stdout]     |
[INFO] [stdout] 204 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 204 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 204 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 203 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:10
[INFO] [stdout]     |
[INFO] [stdout] 217 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 217 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 216 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:230:10
[INFO] [stdout]     |
[INFO] [stdout] 230 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 230 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 230 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 229 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 229 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:10
[INFO] [stdout]     |
[INFO] [stdout] 283 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 283 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout] 283 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 282 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout] 282 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f77421e5d3bdc5784778f6e76013d9a6a5e636ceae6f0e02a07faee47e59026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f77421e5d3bdc5784778f6e76013d9a6a5e636ceae6f0e02a07faee47e59026", kill_on_drop: false }`
[INFO] [stdout] 8f77421e5d3bdc5784778f6e76013d9a6a5e636ceae6f0e02a07faee47e59026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e21f6da32ca211e5a52e63ff188e798bee6d8582951b2685029738ab6cdcdde8
[INFO] running `Command { std: "docker" "start" "-a" "e21f6da32ca211e5a52e63ff188e798bee6d8582951b2685029738ab6cdcdde8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:164:17
[INFO] [stderr]     |
[INFO] [stderr] 164 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stderr]     |                 ^                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 164 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stderr] 164 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1]])}
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stderr]     |                 ^                                                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stderr] 180 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]])}
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 79 - pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stderr] 79 + pub type Fn1<T> = Arc<dyn Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 81 - pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stderr] 81 + pub type Fn2<T> = Arc<dyn Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:23
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 83 - pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stderr] 83 + pub type Fn3<T> = Arc<dyn Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:204:10
[INFO] [stderr]     |
[INFO] [stderr] 204 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 204 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr] 204 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:203:12
[INFO] [stderr]     |
[INFO] [stderr] 203 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 203 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr] 203 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:217:10
[INFO] [stderr]     |
[INFO] [stderr] 217 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 217 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr] 217 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:216:12
[INFO] [stderr]     |
[INFO] [stderr] 216 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 216 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr] 216 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:230:10
[INFO] [stderr]     |
[INFO] [stderr] 230 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 230 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr] 230 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:229:12
[INFO] [stderr]     |
[INFO] [stderr] 229 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 229 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr] 229 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:283:10
[INFO] [stderr]     |
[INFO] [stderr] 283 | ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 283 - ) -> Arc<Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stderr] 283 + ) -> Arc<dyn Fn(T) -> [U; 3] + Sync + Send> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:282:12
[INFO] [stderr]     |
[INFO] [stderr] 282 |     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 282 -     a: Arc<Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr] 282 +     a: Arc<dyn Fn(T) -> [U; 3] + Sync + Send>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `piston3d-construct` (lib) generated 13 warnings
[INFO] [stderr] warning: `piston3d-construct` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/construct-6d8a09e722830a44)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests construct
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:164:17
[INFO] [stderr]     |
[INFO] [stderr] 164 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stderr]     |                 ^                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 164 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1]]))}
[INFO] [stderr] 164 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1]])}
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stderr]     |                 ^                                                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 -         else {b(([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]]))}
[INFO] [stderr] 180 +         else {b([(t[0] - wx) / (<T as One>::one() - wx), t[1], t[2]])}
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - contour (line 289) ... ignored
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 16) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `Arc` in this scope
[INFO] [stdout]  --> src/lib.rs:18:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Fn1<T> = Arc<Fn(T) -> [T; 3] + Sync + Send>;
[INFO] [stdout]   |                   ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Arc` in this scope
[INFO] [stdout]  --> src/lib.rs:20:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type Fn2<T> = Arc<Fn([T; 2]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]   |                   ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Arc` in this scope
[INFO] [stdout]  --> src/lib.rs:22:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Fn3<T> = Arc<Fn([T; 3]) -> [T; 3] + Sync + Send>;
[INFO] [stdout]   |                   ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "e21f6da32ca211e5a52e63ff188e798bee6d8582951b2685029738ab6cdcdde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21f6da32ca211e5a52e63ff188e798bee6d8582951b2685029738ab6cdcdde8", kill_on_drop: false }`
[INFO] [stdout] e21f6da32ca211e5a52e63ff188e798bee6d8582951b2685029738ab6cdcdde8