[INFO] cloning repository https://github.com/RyosukeCla/parser-combinator-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RyosukeCla/parser-combinator-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyosukeCla%2Fparser-combinator-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyosukeCla%2Fparser-combinator-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22562e349a512a6cf1c34af09fbaf7b26e16de6b
[INFO] testing RyosukeCla/parser-combinator-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyosukeCla%2Fparser-combinator-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RyosukeCla/parser-combinator-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RyosukeCla/parser-combinator-rs
[INFO] finished tweaking git repo https://github.com/RyosukeCla/parser-combinator-rs
[INFO] tweaked toml for git repo https://github.com/RyosukeCla/parser-combinator-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RyosukeCla/parser-combinator-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6792e4d6c722d12a1e29db77cc697326bbf5640e9dcbab3271927d65fc7bf23
[INFO] running `Command { std: "docker" "start" "-a" "e6792e4d6c722d12a1e29db77cc697326bbf5640e9dcbab3271927d65fc7bf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6792e4d6c722d12a1e29db77cc697326bbf5640e9dcbab3271927d65fc7bf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6792e4d6c722d12a1e29db77cc697326bbf5640e9dcbab3271927d65fc7bf23", kill_on_drop: false }`
[INFO] [stdout] e6792e4d6c722d12a1e29db77cc697326bbf5640e9dcbab3271927d65fc7bf23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4278f241c66742c9b7456a0c5c0667ccd74d530c4ef4841809017de81177f7
[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" "dc4278f241c66742c9b7456a0c5c0667ccd74d530c4ef4841809017de81177f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling parser_comb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/base.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |   fn box_clone(&self) -> Box<Parser<T>>;
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 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/parser/char.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stdout]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/identity_map.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/identity_map.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/lazy.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |   parser: Rc<RefCell<Option<Box<Parser<T>>>>>,
[INFO] [stdout]   |                                 ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/lazy.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/many.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/many.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/map.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/map.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |   mapper: Rc<Box<Fn(Node<T>) -> Node<T>>>,
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Node<T>) -> Node<T>`
[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 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/parser/map.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/opt.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/opt.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/regexp.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stdout]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/token.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/mod.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |   pub parser: Box<Parser<T>>,
[INFO] [stdout]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/mod.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "dc4278f241c66742c9b7456a0c5c0667ccd74d530c4ef4841809017de81177f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4278f241c66742c9b7456a0c5c0667ccd74d530c4ef4841809017de81177f7", kill_on_drop: false }`
[INFO] [stdout] dc4278f241c66742c9b7456a0c5c0667ccd74d530c4ef4841809017de81177f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f23b95b4a8341b6ddbdfcc8e86473f337dac3b5960d87b07f536b05a4a794d
[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" "f5f23b95b4a8341b6ddbdfcc8e86473f337dac3b5960d87b07f536b05a4a794d", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/base.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |   fn box_clone(&self) -> Box<Parser<T>>;
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 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/parser/char.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stdout]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/identity_map.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/identity_map.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/lazy.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |   parser: Rc<RefCell<Option<Box<Parser<T>>>>>,
[INFO] [stdout]   |                                 ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/lazy.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/many.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/many.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/map.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/map.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |   mapper: Rc<Box<Fn(Node<T>) -> Node<T>>>,
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Node<T>) -> Node<T>`
[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 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/parser/map.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/opt.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/opt.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/regexp.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stdout]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/token.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/mod.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |   pub parser: Box<Parser<T>>,
[INFO] [stdout]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/mod.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parser_comb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/clang.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser_comb::parser::map::Map`
[INFO] [stdout]  --> examples/clang.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use parser_comb::parser::map::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Node`, `Type`, `debug_parse`, `filter`, `map`, `type_map`, `unwrap`
[INFO] [stdout]  --> examples/clang.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |   char, choice, debug_parse, exclude_empty, extract, filter, flatten, identity_map, kind,
[INFO] [stdout]   |                 ^^^^^^^^^^^                          ^^^^^^
[INFO] [stdout] 6 |   kind_ignore, lazy, many, many1, map, opt, regexp, sep, seq, token, trim, type_map, unwrap, wrap,
[INFO] [stdout]   |                                   ^^^                                      ^^^^^^^^  ^^^^^^
[INFO] [stdout] 7 |   Node, Parser, ParserCombinator, Type,
[INFO] [stdout]   |   ^^^^                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/base.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |   fn box_clone(&self) -> Box<Parser<T>>;
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 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/parser/char.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stdout]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/choice.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/identity_map.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/identity_map.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/lazy.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |   parser: Rc<RefCell<Option<Box<Parser<T>>>>>,
[INFO] [stdout]   |                                 ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/lazy.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/many.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/many.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/map.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/map.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |   mapper: Rc<Box<Fn(Node<T>) -> Node<T>>>,
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Node<T>) -> Node<T>`
[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 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/parser/map.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/opt.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parser: Box<Parser<T>>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/opt.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/regexp.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stdout]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/seq.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/token.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/mod.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |   pub parser: Box<Parser<T>>,
[INFO] [stdout]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 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/parser/mod.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> examples/clang.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |   Node, Parser, ParserCombinator, Type,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "f5f23b95b4a8341b6ddbdfcc8e86473f337dac3b5960d87b07f536b05a4a794d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f23b95b4a8341b6ddbdfcc8e86473f337dac3b5960d87b07f536b05a4a794d", kill_on_drop: false }`
[INFO] [stdout] f5f23b95b4a8341b6ddbdfcc8e86473f337dac3b5960d87b07f536b05a4a794d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 215842fdbb5fce45d095a299b5fda196a88cd3c12fb858def5535f2ca62d0cbe
[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" "215842fdbb5fce45d095a299b5fda196a88cd3c12fb858def5535f2ca62d0cbe", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/base.rs:44:30
[INFO] [stderr]    |
[INFO] [stderr] 44 |   fn box_clone(&self) -> Box<Parser<T>>;
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/char.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/choice.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stderr]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/choice.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/choice.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/identity_map.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 |   parser: Box<Parser<T>>,
[INFO] [stderr]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/identity_map.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/lazy.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 |   parser: Rc<RefCell<Option<Box<Parser<T>>>>>,
[INFO] [stderr]   |                                 ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/lazy.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/many.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 |   parser: Box<Parser<T>>,
[INFO] [stderr]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/many.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/map.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |   parser: Box<Parser<T>>,
[INFO] [stderr]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/map.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 |   mapper: Rc<Box<Fn(Node<T>) -> Node<T>>>,
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Node<T>) -> Node<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/map.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/opt.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 |   parser: Box<Parser<T>>,
[INFO] [stderr]   |               ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/opt.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/regexp.rs:24:30
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/seq.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |   parsers: Vec<Box<Parser<T>>>,
[INFO] [stderr]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) 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/parser/seq.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/seq.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut parsers: Vec<Box<Parser<T>>> = vec![];
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/token.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/mod.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |   pub parser: Box<Parser<T>>,
[INFO] [stderr]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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/parser/mod.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |   fn box_clone(&self) -> Box<Parser<T>> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Parser<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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: `parser_comb` (lib) generated 23 warnings
[INFO] [stderr] warning: `parser_comb` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/clang.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parser_comb::parser::map::Map`
[INFO] [stderr]  --> examples/clang.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use parser_comb::parser::map::Map;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Node`, `Type`, `debug_parse`, `filter`, `map`, `type_map`, `unwrap`
[INFO] [stderr]  --> examples/clang.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |   char, choice, debug_parse, exclude_empty, extract, filter, flatten, identity_map, kind,
[INFO] [stderr]   |                 ^^^^^^^^^^^                          ^^^^^^
[INFO] [stderr] 6 |   kind_ignore, lazy, many, many1, map, opt, regexp, sep, seq, token, trim, type_map, unwrap, wrap,
[INFO] [stderr]   |                                   ^^^                                      ^^^^^^^^  ^^^^^^
[INFO] [stderr] 7 |   Node, Parser, ParserCombinator, Type,
[INFO] [stderr]   |   ^^^^                            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Parser`
[INFO] [stderr]  --> examples/clang.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |   Node, Parser, ParserCombinator, Type,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `parser_comb` (example "clang") generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parser_comb-a0445494c707b839)
[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 parser_comb
[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] running `Command { std: "docker" "inspect" "215842fdbb5fce45d095a299b5fda196a88cd3c12fb858def5535f2ca62d0cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215842fdbb5fce45d095a299b5fda196a88cd3c12fb858def5535f2ca62d0cbe", kill_on_drop: false }`
[INFO] [stdout] 215842fdbb5fce45d095a299b5fda196a88cd3c12fb858def5535f2ca62d0cbe