[INFO] fetching crate emit 0.10.0...
[INFO] checking emit-0.10.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate emit 0.10.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate emit 0.10.0 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emit 0.10.0
[INFO] finished tweaking crates.io crate emit 0.10.0
[INFO] tweaked toml for crates.io crate emit 0.10.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding chrono v0.2.25 (latest: v0.4.38)
[INFO] [stderr]       Adding itoa v0.1.1 (latest: v1.0.11)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.3)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding serde v0.7.15 (latest: v1.0.204)
[INFO] [stderr]       Adding serde_json v0.7.4 (latest: v1.0.120)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v0.7.4
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4926a2247b6d9f1f7b3259deaad880395eff6edd9c29da8dff5248fee38b1535
[INFO] running `Command { std: "docker" "start" "-a" "4926a2247b6d9f1f7b3259deaad880395eff6edd9c29da8dff5248fee38b1535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4926a2247b6d9f1f7b3259deaad880395eff6edd9c29da8dff5248fee38b1535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4926a2247b6d9f1f7b3259deaad880395eff6edd9c29da8dff5248fee38b1535", kill_on_drop: false }`
[INFO] [stdout] 4926a2247b6d9f1f7b3259deaad880395eff6edd9c29da8dff5248fee38b1535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da8f9db82da129ea779b3a90bfc8c8f51c3041cbdbc3c6e84934dd73270adcf
[INFO] running `Command { std: "docker" "start" "-a" "7da8f9db82da129ea779b3a90bfc8c8f51c3041cbdbc3c6e84934dd73270adcf", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking emit v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 try!(self.formatter.write_event(&event, to));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 try!(writeln!(to, ""));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 try!(self.formatter.write_event(&event, to));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 try!(writeln!(to, ""));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(write!(to, "{{\"@t\":\"{}\",\"@mt\":{}", isots, template));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(write!(to, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let template = try!(serde_json::to_string(event.message_template().text()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try!(write!(to, ",\"@l\":\"{}\"", event.level()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 try!(write!(to, ",\"@{}\":{}", n, v.to_json()));            
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 try!(write!(to, ",\"{}\":{}", n, v.to_json()));            
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/text/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(writeln!(to, "{} {:5} {}", event.timestamp().format("%FT%TZ"), event.level(), content));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/raw/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         try!(writeln!(to, "emit {} {:5} {}", event.timestamp().format("%FT%T%.9fZ"), event.level(), event.message_template().text()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/raw/mod.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             try!(writeln!(to, "  {}: {}", n, v.to_json()));            
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 try!(self.formatter.write_event(&event, to));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 try!(writeln!(to, ""));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 try!(self.formatter.write_event(&event, to));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 try!(writeln!(to, ""));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(write!(to, "{{\"@t\":\"{}\",\"@mt\":{}", isots, template));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(write!(to, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let template = try!(serde_json::to_string(event.message_template().text()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try!(write!(to, ",\"@l\":\"{}\"", event.level()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 try!(write!(to, ",\"@{}\":{}", n, v.to_json()));            
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/json/mod.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 try!(write!(to, ",\"{}\":{}", n, v.to_json()));            
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/text/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(writeln!(to, "{} {:5} {}", event.timestamp().format("%FT%TZ"), event.level(), content));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/raw/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         try!(writeln!(to, "emit {} {:5} {}", event.timestamp().format("%FT%T%.9fZ"), event.level(), event.message_template().text()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/formatters/raw/mod.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             try!(writeln!(to, "  {}: {}", n, v.to_json()));            
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/pipeline/ambient.rs:7:52
[INFO] [stdout]   |
[INFO] [stdout] 7 | static PIPELINE_REF: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]   |
[INFO] [stdout] 7 | static PIPELINE_REF: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout]   |                                                    ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/builder.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     elements: Vec<Box<Propagate + Sync>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     elements: Vec<Box<dyn Propagate + Sync>>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/builder.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |     terminator: Option<Box<Emit + Sync>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     terminator: Option<Box<dyn Emit + Sync>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     current: Box<Propagate + Sync>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     current: Box<dyn Propagate + Sync>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     next: Box<Emit + Sync>
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     next: Box<dyn Emit + Sync>
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/pipeline/reference.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     head: Box<Emit + Sync>,
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |     head: Box<dyn Emit + Sync>,
[INFO] [stdout]   |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/pipeline/ambient.rs:7:52
[INFO] [stdout]   |
[INFO] [stdout] 7 | static PIPELINE_REF: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]   |
[INFO] [stdout] 7 | static PIPELINE_REF: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout]   |                                                    ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/builder.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     elements: Vec<Box<Propagate + Sync>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     elements: Vec<Box<dyn Propagate + Sync>>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/builder.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |     terminator: Option<Box<Emit + Sync>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     terminator: Option<Box<dyn Emit + Sync>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     current: Box<Propagate + Sync>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     current: Box<dyn Propagate + Sync>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     next: Box<Emit + Sync>
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     next: Box<dyn Emit + Sync>
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/pipeline/reference.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     head: Box<Emit + Sync>,
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |     head: Box<dyn Emit + Sync>,
[INFO] [stdout]   |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:11:55
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn propagate(&self, event: Event<'static>, next: &Emit);
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn propagate(&self, event: Event<'static>, next: &dyn Emit);
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/collectors/mod.rs:8:74
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn accept_events(&self, events: &[Event<'static>]) -> Result<(), Box<Error>>;
[INFO] [stdout]   |                                                                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn accept_events(&self, events: &[Event<'static>]) -> Result<(), Box<dyn Error>>;
[INFO] [stdout]   |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/mod.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/mod.rs:11:85
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>>;
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:31:82
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn accept_events(&self, events: &[events::Event<'static>]) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn accept_events(&self, events: &[events::Event<'static>]) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collectors/mod.rs:23:55
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn propagate(&self, event: Event<'static>, next: &Emit) {
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn propagate(&self, event: Event<'static>, next: &dyn Emit) {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/builder.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn pipe(mut self, element: Box<Propagate + Sync>) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn pipe(mut self, element: Box<dyn Propagate + Sync>) -> Self {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:33:35
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<dyn Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:33:78
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<dyn Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:33:100
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                                                                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<dyn Emit + Sync> {
[INFO] [stdout]    |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/reference.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(head: Box<Emit + Sync>, level: LogLevelFilter) -> PipelineRef {
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(head: Box<dyn Emit + Sync>, level: LogLevelFilter) -> PipelineRef {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/enrichers/fixed_property/mod.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn propagate(&self, event: Event<'static>, next: &Emit) {
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn propagate(&self, event: Event<'static>, next: &dyn Emit) {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:11:55
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn propagate(&self, event: Event<'static>, next: &Emit);
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn propagate(&self, event: Event<'static>, next: &dyn Emit);
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/json/mod.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/json/mod.rs:16:85
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/collectors/mod.rs:8:74
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn accept_events(&self, events: &[Event<'static>]) -> Result<(), Box<Error>>;
[INFO] [stdout]   |                                                                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn accept_events(&self, events: &[Event<'static>]) -> Result<(), Box<dyn Error>>;
[INFO] [stdout]   |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/mod.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/mod.rs:11:85
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>>;
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/text/mod.rs:15:60
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:31:82
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn accept_events(&self, events: &[events::Event<'static>]) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn accept_events(&self, events: &[events::Event<'static>]) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/text/mod.rs:15:85
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collectors/mod.rs:23:55
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn propagate(&self, event: Event<'static>, next: &Emit) {
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn propagate(&self, event: Event<'static>, next: &dyn Emit) {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/raw/mod.rs:14:60
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/raw/mod.rs:14:85
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/builder.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn pipe(mut self, element: Box<Propagate + Sync>) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn pipe(mut self, element: Box<dyn Propagate + Sync>) -> Self {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:33:35
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<dyn Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:33:78
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<dyn Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/chain.rs:33:100
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<Emit + Sync> {
[INFO] [stdout]    |                                                                                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn to_chain(elements: Vec<Box<Propagate + Sync>>, terminator: Option<Box<Emit + Sync>>) -> Box<dyn Emit + Sync> {
[INFO] [stdout]    |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline/reference.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(head: Box<Emit + Sync>, level: LogLevelFilter) -> PipelineRef {
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(head: Box<dyn Emit + Sync>, level: LogLevelFilter) -> PipelineRef {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/enrichers/fixed_property/mod.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn propagate(&self, event: Event<'static>, next: &Emit) {
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn propagate(&self, event: Event<'static>, next: &dyn Emit) {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/json/mod.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/json/mod.rs:16:85
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/text/mod.rs:15:60
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/text/mod.rs:15:85
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/raw/mod.rs:14:60
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut dyn Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatters/raw/mod.rs:14:85
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn write_event(&self, event: &Event<'static>, to: &mut Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let mut to = &mut err.lock();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut to = &mut out.lock();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/mod.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     write!(&mut template, "{{{}}}", names[next_name]).is_ok();                    
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     let _ = write!(&mut template, "{{{}}}", names[next_name]).is_ok();                    
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/mod.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     write!(&mut template, "{{{}}}", next_name).is_ok();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let _ = write!(&mut template, "{{{}}}", next_name).is_ok();
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let _ = write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let _ = write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let _ = write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let _ = write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let _ = write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/pipeline/async.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.chan.send(Item::Done).is_ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = self.chan.send(Item::Done).is_ok();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/pipeline/async.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             handle.join().is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = handle.join().is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 48 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let mut to = &mut err.lock();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/stdio/mod.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut to = &mut out.lock();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/mod.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     write!(&mut template, "{{{}}}", names[next_name]).is_ok();                    
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     let _ = write!(&mut template, "{{{}}}", names[next_name]).is_ok();                    
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/mod.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     write!(&mut template, "{{{}}}", next_name).is_ok();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let _ = write!(&mut template, "{{{}}}", next_name).is_ok();
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let _ = write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let _ = write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let _ = write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let _ = write!(result, "{}", val).is_ok();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/templates/repl.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let _ = write!(result, "{}", lit).is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/pipeline/async.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.chan.send(Item::Done).is_ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = self.chan.send(Item::Done).is_ok();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/pipeline/async.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             handle.join().is_ok();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = handle.join().is_ok();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/formatters/json/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         fmt.write_event(&evt, &mut content).is_ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = fmt.write_event(&evt, &mut content).is_ok();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "7da8f9db82da129ea779b3a90bfc8c8f51c3041cbdbc3c6e84934dd73270adcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da8f9db82da129ea779b3a90bfc8c8f51c3041cbdbc3c6e84934dd73270adcf", kill_on_drop: false }`
[INFO] [stdout] 7da8f9db82da129ea779b3a90bfc8c8f51c3041cbdbc3c6e84934dd73270adcf