[INFO] fetching crate jg 0.1.6...
[INFO] testing jg-0.1.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate jg 0.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jg 0.1.6
[INFO] finished tweaking crates.io crate jg 0.1.6
[INFO] tweaked toml for crates.io crate jg 0.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jg 0.1.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v0.10.2 (available: v2.1.1)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.51)
[INFO] [stderr]       Adding colored v1.9.4 (available: v3.0.0)
[INFO] [stderr]       Adding isatty v0.1.9 (available: v0.2.0)
[INFO] [stderr]       Adding json v0.11.15 (available: v0.12.4)
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5daf8bf124393c2d0a1698e30fa5b1c42293335bcee7be07e124b9ce7dc67077
[INFO] running `Command { std: "docker" "start" "-a" "5daf8bf124393c2d0a1698e30fa5b1c42293335bcee7be07e124b9ce7dc67077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5daf8bf124393c2d0a1698e30fa5b1c42293335bcee7be07e124b9ce7dc67077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5daf8bf124393c2d0a1698e30fa5b1c42293335bcee7be07e124b9ce7dc67077", kill_on_drop: false }`
[INFO] [stdout] 5daf8bf124393c2d0a1698e30fa5b1c42293335bcee7be07e124b9ce7dc67077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 049bc4c9aa505d9237d9e6e2a6a8e2af9f37a789680ec7f4ce3b38c535173bee
[INFO] running `Command { std: "docker" "start" "-a" "049bc4c9aa505d9237d9e6e2a6a8e2af9f37a789680ec7f4ce3b38c535173bee", kill_on_drop: false }`
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling assert_cmd v0.10.2
[INFO] [stderr]    Compiling json-highlight-writer v1.1.0
[INFO] [stderr]    Compiling jg v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/input/enumeration.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | ) -> Box<FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | ) -> Box<dyn FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |     on_line: &Fn(String) -> Result<String, String>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     on_line: &dyn Fn(String) -> Result<String, String>,
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |       on_result: &Fn(
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 35 | |         (Option<usize>, Option<usize>, Result<String, String>),
[INFO] [stdout] 36 | |     ) -> (Option<usize>, Option<usize>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     on_result: &dyn Fn(
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn buffer_input_file(input: &str) -> Result<Box<BufRead>, Option<String>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn buffer_input_file(input: &str) -> Result<Box<dyn BufRead>, Option<String>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     matchers: &Vec<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     matchers: &Vec<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/array_member.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn array_index(index: usize) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn array_index(index: usize) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/array_member.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]    |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selection/array_member.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/identity.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity() -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity() -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/identity.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/prop.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selection/prop.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/sequence.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | ) -> Result<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | ) -> Result<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/sequence.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     matchers: &Vec<Box<Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     matchers: &Vec<Box<dyn Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:89:21
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |         None => Box::new(stdin.lock()) as Box<BufRead>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |         None => Box::new(stdin.lock()) as Box<dyn BufRead>,
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:67:31
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut matchers: Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut matchers: Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `Command { std: "docker" "inspect" "049bc4c9aa505d9237d9e6e2a6a8e2af9f37a789680ec7f4ce3b38c535173bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049bc4c9aa505d9237d9e6e2a6a8e2af9f37a789680ec7f4ce3b38c535173bee", kill_on_drop: false }`
[INFO] [stdout] 049bc4c9aa505d9237d9e6e2a6a8e2af9f37a789680ec7f4ce3b38c535173bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5812898c2b0217304e72c7173e369dade8bf4b4fc1f4b44c851a5cc9a13fa359
[INFO] running `Command { std: "docker" "start" "-a" "5812898c2b0217304e72c7173e369dade8bf4b4fc1f4b44c851a5cc9a13fa359", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/input/enumeration.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | ) -> Box<FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | ) -> Box<dyn FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |     on_line: &Fn(String) -> Result<String, String>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     on_line: &dyn Fn(String) -> Result<String, String>,
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |       on_result: &Fn(
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 35 | |         (Option<usize>, Option<usize>, Result<String, String>),
[INFO] [stdout] 36 | |     ) -> (Option<usize>, Option<usize>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     on_result: &dyn Fn(
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn buffer_input_file(input: &str) -> Result<Box<BufRead>, Option<String>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn buffer_input_file(input: &str) -> Result<Box<dyn BufRead>, Option<String>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     matchers: &Vec<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     matchers: &Vec<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/array_member.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn array_index(index: usize) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn array_index(index: usize) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/array_member.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]    |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selection/array_member.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/identity.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity() -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity() -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/identity.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/prop.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jg v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selection/prop.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/sequence.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | ) -> Result<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | ) -> Result<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/sequence.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     matchers: &Vec<Box<Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     matchers: &Vec<Box<dyn Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:89:21
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |         None => Box::new(stdin.lock()) as Box<BufRead>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |         None => Box::new(stdin.lock()) as Box<dyn BufRead>,
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:67:31
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut matchers: Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut matchers: Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/input/enumeration.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | ) -> Box<FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | ) -> Box<dyn FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |     on_line: &Fn(String) -> Result<String, String>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     on_line: &dyn Fn(String) -> Result<String, String>,
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |       on_result: &Fn(
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 35 | |         (Option<usize>, Option<usize>, Result<String, String>),
[INFO] [stdout] 36 | |     ) -> (Option<usize>, Option<usize>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     on_result: &dyn Fn(
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn buffer_input_file(input: &str) -> Result<Box<BufRead>, Option<String>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn buffer_input_file(input: &str) -> Result<Box<dyn BufRead>, Option<String>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     matchers: &Vec<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     matchers: &Vec<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/array_member.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn array_index(index: usize) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn array_index(index: usize) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/array_member.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]    |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selection/array_member.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/identity.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity() -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn identity() -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/identity.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/prop.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selection/prop.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/sequence.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | ) -> Result<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | ) -> Result<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/sequence.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/selection/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     matchers: &Vec<Box<Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     matchers: &Vec<Box<dyn Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:89:21
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/mod.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |         None => Box::new(stdin.lock()) as Box<BufRead>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |         None => Box::new(stdin.lock()) as Box<dyn BufRead>,
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/selection/mod.rs:67:31
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut matchers: Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut matchers: Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "5812898c2b0217304e72c7173e369dade8bf4b4fc1f4b44c851a5cc9a13fa359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5812898c2b0217304e72c7173e369dade8bf4b4fc1f4b44c851a5cc9a13fa359", kill_on_drop: false }`
[INFO] [stdout] 5812898c2b0217304e72c7173e369dade8bf4b4fc1f4b44c851a5cc9a13fa359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b394c28fe1b82a8feb94ba5f7ea64f2b184cb173494713cc3d7e5c4f3db4e96
[INFO] running `Command { std: "docker" "start" "-a" "6b394c28fe1b82a8feb94ba5f7ea64f2b184cb173494713cc3d7e5c4f3db4e96", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/input/enumeration.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | ) -> Box<FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 4 | ) -> Box<dyn FnMut(Result<String, String>) -> (Option<usize>, Option<usize>, Result<String, String>)> {
[INFO] [stderr]   |          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/mod.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 |     on_line: &Fn(String) -> Result<String, String>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 |     on_line: &dyn Fn(String) -> Result<String, String>,
[INFO] [stderr]    |               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/mod.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |       on_result: &Fn(
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 35 | |         (Option<usize>, Option<usize>, Result<String, String>),
[INFO] [stderr] 36 | |     ) -> (Option<usize>, Option<usize>),
[INFO] [stderr]    | |_______________________________________^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 34 |     on_result: &dyn Fn(
[INFO] [stderr]    |                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/mod.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn buffer_input_file(input: &str) -> Result<Box<BufRead>, Option<String>> {
[INFO] [stderr]    |                                                 ^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn buffer_input_file(input: &str) -> Result<Box<dyn BufRead>, Option<String>> {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/mod.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |     matchers: &Vec<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 91 |     matchers: &Vec<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>>,
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/array_member.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn array_index(index: usize) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn array_index(index: usize) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]    |                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/array_member.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 47 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]    |          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/selection/array_member.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 155 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]     |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/selection/identity.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn identity() -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn identity() -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]   |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/identity.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]    |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/selection/prop.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | ) -> Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 | ) -> Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>> {
[INFO] [stderr]   |          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/selection/prop.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 126 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]     |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/selection/sequence.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | ) -> Result<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 8 | ) -> Result<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>, &str> {
[INFO] [stderr]   |                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/sequence.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]    |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/selection/mod.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |     matchers: &Vec<Box<Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 |     matchers: &Vec<Box<dyn Fn(Option<&'a JsonValue>) -> Option<&'a JsonValue>>>,
[INFO] [stderr]   |                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/mod.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>,
[INFO] [stderr]    |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/mod.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 66 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, &str> {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/mod.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 | ) -> Result<Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 89 | ) -> Result<Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>>, String> {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/mod.rs:41:47
[INFO] [stderr]    |
[INFO] [stderr] 41 |         None => Box::new(stdin.lock()) as Box<BufRead>,
[INFO] [stderr]    |                                               ^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 |         None => Box::new(stdin.lock()) as Box<dyn BufRead>,
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/selection/mod.rs:67:31
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut matchers: Vec<Box<Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut matchers: Vec<Box<dyn Fn(Option<&JsonValue>) -> Option<&JsonValue>>> = vec![];
[INFO] [stderr]    |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `jg` (lib) generated 20 warnings (run `cargo fix --lib -p jg` to apply 20 suggestions)
[INFO] [stderr] warning: `jg` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jg-242e994160c76374)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test selection::array_member::tests::should_return_node_when_exact_string_value_is_contained_in_array ... ok
[INFO] [stdout] test selection::array_member::tests::should_return_node_when_exact_string_value_is_only_value_in_array ... ok
[INFO] [stdout] test selection::array_member::tests::should_return_node_when_json_is_present ... ok
[INFO] [stdout] test selection::array_member::tests::should_return_node_when_null_value_is_present_in_array ... ok
[INFO] [stdout] test selection::array_member::tests::should_return_node_when_numeric_value_is_present_in_array ... ok
[INFO] [stdout] test selection::array_member::tests::should_return_none_when_json_isnt_present ... ok
[INFO] [stdout] test selection::identity::tests::should_match_dot ... ok
[INFO] [stdout] test selection::identity::tests::should_return_some_json_when_json_is_present ... ok
[INFO] [stdout] test selection::identity::tests::should_return_none_when_json_isnt_present ... ok
[INFO] [stdout] test selection::identity::tests::shouldnt_match_anything_else ... ok
[INFO] [stdout] test selection::array_member::tests::should_match_array_index ... ok
[INFO] [stdout] test selection::array_member::tests::should_return_node_when_boolean_value_is_present_in_array ... ok
[INFO] [stdout] test selection::prop::tests::should_match_number_prop ... ok
[INFO] [stdout] test selection::prop::tests::should_match_boolean_true_prop ... ok
[INFO] [stdout] test selection::prop::tests::should_match_string_property_value_when_using_prefixed_matching_strategy ... ok
[INFO] [stdout] test selection::prop::tests::should_match_boolean_false_prop ... ok
[INFO] [stdout] test selection::prop::tests::should_match_null_prop ... ok
[INFO] [stdout] test selection::prop::tests::should_match_string_property_value_when_using_suffixed_matching_strategy ... ok
[INFO] [stdout] test selection::prop::tests::should_return_json_prop_when_json_has_prop ... ok
[INFO] [stdout] test selection::prop::tests::should_return_remainder_when_it_matches_prop ... ok
[INFO] [stdout] test selection::prop::tests::should_match_prop ... ok
[INFO] [stdout] test selection::prop::tests::should_match_string_property_value_when_using_exact_matching_strategy ... ok
[INFO] [stdout] test selection::prop::tests::should_match_string_property_value_when_using_contains_exact_matching_strategy ... ok
[INFO] [stdout] test selection::prop::tests::shouldnt_match_identity ... ok
[INFO] [stdout] test selection::array_member::tests::should_return_remainder_when_it_matches_index ... ok
[INFO] [stdout] test selection::prop::tests::should_return_none_when_json_isnt_present ... ok
[INFO] [stdout] test selection::sequence::tests::should_match_json_in_sequence_when_matching_query ... ok
[INFO] [stdout] test selection::sequence::tests::should_return_none_when_json_sequence_is_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jg-ba5ed0e49b4dd063)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/array_member.rs (/opt/rustwide/target/debug/deps/array_member-0ac1178b75715bed)
[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] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cli::should_match_array_with_boolean_value ... ok
[INFO] [stdout] test cli::should_match_array_with_exact_null_value ... ok
[INFO] [stdout] test cli::should_match_array_with_exact_numeric_value ... ok
[INFO] [stdout] test cli::should_match_array_with_exact_boolean_value ... ok
[INFO] [stdout] test cli::should_match_array_under_prop ... ok
[INFO] [stdout] test cli::should_match_array_with_a_string_value_which_is_contained_by_a_string_value ... ok
[INFO] [stdout] test cli::should_match_array_with_a_string_value_which_is_suffixed_by_a_string_value ... ok
[INFO] [stdout] test cli::should_match_array_with_a_string_value_which_is_prefixed_by_a_string_value ... ok
[INFO] [stdout] test cli::should_match_array_with_inbounds_index ... ok
[INFO] [stdout] test cli::should_match_array_with_exact_string_value ... ok
[INFO] [stdout] test cli::should_match_array_with_null_value ... ok
[INFO] [stdout] test cli::should_match_array_with_first_index ... ok
[INFO] [stdout] test cli::should_match_array_with_string_value ... ok
[INFO] [stdout] test cli::should_match_array_with_numeric_value ... ok
[INFO] [stdout] test cli::should_not_match_array_with_outofbounds_index ... ok
[INFO] [stderr]      Running tests/case_sensitivity.rs (/opt/rustwide/target/debug/deps/case_sensitivity-f40e942b046c5d49)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 50.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cli::should_search_with_case_sensitivity_switched_off_when_the_i_flag_is_used ... ok
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-03df76ae5752e0a6)
[INFO] [stdout] test cli::should_search_with_case_sensitivity_on_by_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test cli::should_only_return_exitcode_when_no_matches_are_found_and_quiet_mode_flag_is_specified ... ok
[INFO] [stdout] test cli::should_return_exitcode_1_when_no_matches_are_found ... ok
[INFO] [stdout] test cli::should_only_return_exitcode_when_a_match_is_found_and_quiet_mode_flag_is_specified ... ok
[INFO] [stdout] test cli::should_return_exitcode_0_when_matches_are_found ... ok
[INFO] [stdout] test cli::should_match_multiple_patterns_when_multiple_patterns_are_provided ... ok
[INFO] [stderr]      Running tests/color.rs (/opt/rustwide/target/debug/deps/color-3fbe3f292ccd9726)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cli::should_color_matching_json ... ok
[INFO] [stdout] test cli::should_color_multiple_matching_json ... ok
[INFO] [stderr]      Running tests/count.rs (/opt/rustwide/target/debug/deps/count-5e9a3450bff2439a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test cli::should_stop_matching_when_max_num_flag_is_specified_and_max_is_reached ... ok
[INFO] [stdout] test cli::should_print_out_count_when_c_flag_is_specified ... ok
[INFO] [stdout] test cli::should_display_the_line_number_when_line_number_flag_is_specified ... ok
[INFO] [stdout] test cli::should_stop_matching_when_input_end_even_when_max_num_flag_is_specified_as_higher_than_input ... ok
[INFO] [stderr]      Running tests/file.rs (/opt/rustwide/target/debug/deps/file-ba9e0fbfd1967c32)
[INFO] [stdout] test cli::should_print_out_count_when_count_flag_is_specified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test cli::should_reject_invalid_json_when_reading_a_file ... ok
[INFO] [stdout] test cli::should_panic_when_the_specified_file_is_missing ... ok
[INFO] [stdout] test cli::should_read_input_file_when_provided ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/identity.rs (/opt/rustwide/target/debug/deps/identity-4ea84398ad80d3f7)
[INFO] [stdout] test cli::should_not_match_all_when_selector_is_not_identity ... ok
[INFO] [stdout] test cli::should_match_single_json_when_selector_is_identity ... ok
[INFO] [stdout] test cli::should_match_all_json_when_selector_is_identity ... ok
[INFO] [stderr]      Running tests/invert_match.rs (/opt/rustwide/target/debug/deps/invert_match-13d5d78049c721ae)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cli::should_invert_match_when_v_flag_is_specified ... ok
[INFO] [stdout] test cli::should_invert_match_when_invert_flag_is_specified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/prop.rs (/opt/rustwide/target/debug/deps/prop-f01f7f744c6eb27b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test cli::should_match_json_porperty_with_a_value_when_using_the_exact_matcher ... ok
[INFO] [stdout] test cli::should_match_multiple_json_with_matching_prop_when_selector_is_prop ... ok
[INFO] [stdout] test cli::should_match_json_porperty_using_dictionary_index_selector ... ok
[INFO] [stdout] test cli::should_match_only_json_with_prop_when_selector_is_prop ... ok
[INFO] [stdout] test cli::should_match_json_porperty_with_a_value_when_using_the_contains_matcher ... ok
[INFO] [stdout] test cli::should_match_json_with_deep_matching_props ... ok
[INFO] [stdout] test cli::should_match_json_porperty_with_a_value_when_using_the_contains_exact_matcher ... ok
[INFO] [stdout] test cli::should_match_json_with_inner_matching_props ... ok
[INFO] [stdout] test cli::should_match_only_root_of_json_when_selector_is_prop_with_start_matcher ... ok
[INFO] [stdout] test cli::should_match_single_json_when_selector_is_prop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sequence.rs (/opt/rustwide/target/debug/deps/sequence-007639d77a51cea1)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test cli::should_match_member_in_array_when_selecting_by_prop ... ok
[INFO] [stdout] test cli::should_match_array_with_null_in_it ... ok
[INFO] [stdout] test cli::should_match_array_with_anything_in_it_when_identity_is_used ... ok
[INFO] [stdout] test cli::should_match_array_under_prop_containing_anything_when_selecting_identity ... ok
[INFO] [stdout] test cli::should_match_sequence_matchers_within_other_sequences ... ok
[INFO] [stdout] test cli::should_not_match_empty_array_when_selecting_identity ... ok
[INFO] [stdout] test cli::should_match_array_patterns_within_arrays ... ok
[INFO] [stdout] test cli::should_match_members_in_array_when_root_of_pattern_is_within_the_array ... ok
[INFO] [stdout] test cli::should_not_match_member_in_array_when_prop_matches_deep_object_in_member ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jg
[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" "6b394c28fe1b82a8feb94ba5f7ea64f2b184cb173494713cc3d7e5c4f3db4e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b394c28fe1b82a8feb94ba5f7ea64f2b184cb173494713cc3d7e5c4f3db4e96", kill_on_drop: false }`
[INFO] [stdout] 6b394c28fe1b82a8feb94ba5f7ea64f2b184cb173494713cc3d7e5c4f3db4e96
