[INFO] cloning repository https://github.com/d-plaindoux/parsec.rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d-plaindoux/parsec.rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-plaindoux%2Fparsec.rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-plaindoux%2Fparsec.rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57cdc6dfcaf5b54697590682506abf6be95b2aff
[INFO] checking d-plaindoux/parsec.rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-plaindoux%2Fparsec.rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d-plaindoux/parsec.rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d-plaindoux/parsec.rust
[INFO] finished tweaking git repo https://github.com/d-plaindoux/parsec.rust
[INFO] tweaked toml for git repo https://github.com/d-plaindoux/parsec.rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/d-plaindoux/parsec.rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05d046812961caa42be3549d67d3d6bea9707889f27e69389470b6ca1e034eb1
[INFO] running `Command { std: "docker" "start" "-a" "05d046812961caa42be3549d67d3d6bea9707889f27e69389470b6ca1e034eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d046812961caa42be3549d67d3d6bea9707889f27e69389470b6ca1e034eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d046812961caa42be3549d67d3d6bea9707889f27e69389470b6ca1e034eb1", kill_on_drop: false }`
[INFO] [stdout] 05d046812961caa42be3549d67d3d6bea9707889f27e69389470b6ca1e034eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cbb993e27f4d733d044b5173533d1489ed583e325d24c675964f739925bdc4b
[INFO] running `Command { std: "docker" "start" "-a" "4cbb993e27f4d733d044b5173533d1489ed583e325d24c675964f739925bdc4b", kill_on_drop: false }`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking parsecute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/basic.rs:86:41
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Satisfy<E, A>(pub E, pub Box<Fn(&A) -> bool>)
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Satisfy<E, A>(pub E, pub Box<dyn Fn(&A) -> bool>)
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsers/basic.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Lazy<E, A>(pub Box<Fn() -> E>, pub PhantomData<A>)
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Lazy<E, A>(pub Box<dyn Fn() -> E>, pub PhantomData<A>)
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FMap<E, A, B>(E, Box<Fn(A) -> B>)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FMap<E, A, B>(E, Box<dyn Fn(A) -> B>)
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Bind<E, A, R, B>(E, Box<Fn(A) -> R>, PhantomData<B>)
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Bind<E, A, R, B>(E, Box<dyn Fn(A) -> R>, PhantomData<B>)
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/basic.rs:86:41
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Satisfy<E, A>(pub E, pub Box<Fn(&A) -> bool>)
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Satisfy<E, A>(pub E, pub Box<dyn Fn(&A) -> bool>)
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fmap_box(self, f: Box<Fn(A) -> B>) -> FMap<E, A, B>;
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fmap_box(self, f: Box<dyn Fn(A) -> B>) -> FMap<E, A, B>;
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsers/basic.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Lazy<E, A>(pub Box<Fn() -> E>, pub PhantomData<A>)
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Lazy<E, A>(pub Box<dyn Fn() -> E>, pub PhantomData<A>)
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn bind_box(self, f: Box<Fn(A) -> R>) -> Bind<E, A, R, B>;
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn bind_box(self, f: Box<dyn Fn(A) -> R>) -> Bind<E, A, R, B>;
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &dyn Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FMap<E, A, B>(E, Box<Fn(A) -> B>)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FMap<E, A, B>(E, Box<dyn Fn(A) -> B>)
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:14:66
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &dyn Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Bind<E, A, R, B>(E, Box<Fn(A) -> R>, PhantomData<B>)
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Bind<E, A, R, B>(E, Box<dyn Fn(A) -> R>, PhantomData<B>)
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn fmap_box(self, f: Box<Fn(A) -> B>) -> FMap<E, A, B> {
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn fmap_box(self, f: Box<dyn Fn(A) -> B>) -> FMap<E, A, B> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn bind_box(self, f: Box<Fn(A) -> R>) -> Bind<E, A, R, B> {
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn bind_box(self, f: Box<dyn Fn(A) -> R>) -> Bind<E, A, R, B> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &dyn Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fmap_box(self, f: Box<Fn(A) -> B>) -> FMap<E, A, B>;
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fmap_box(self, f: Box<dyn Fn(A) -> B>) -> FMap<E, A, B>;
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:25:66
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &dyn Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn bind_box(self, f: Box<Fn(A) -> R>) -> Bind<E, A, R, B>;
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn bind_box(self, f: Box<dyn Fn(A) -> R>) -> Bind<E, A, R, B>;
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &dyn Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:14:66
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &dyn Fn(usize, bool) -> B) -> B;
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn fmap_box(self, f: Box<Fn(A) -> B>) -> FMap<E, A, B> {
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn fmap_box(self, f: Box<dyn Fn(A) -> B>) -> FMap<E, A, B> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/monadic.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn bind_box(self, f: Box<Fn(A) -> R>) -> Bind<E, A, R, B> {
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn bind_box(self, f: Box<dyn Fn(A) -> R>) -> Bind<E, A, R, B> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &dyn Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsers/response.rs:25:66
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn fold_fn(self, success: &Fn(A, usize, bool) -> B, reject: &dyn Fn(usize, bool) -> B) -> B {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "4cbb993e27f4d733d044b5173533d1489ed583e325d24c675964f739925bdc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbb993e27f4d733d044b5173533d1489ed583e325d24c675964f739925bdc4b", kill_on_drop: false }`
[INFO] [stdout] 4cbb993e27f4d733d044b5173533d1489ed583e325d24c675964f739925bdc4b