[INFO] fetching crate flexi_config 0.1.0...
[INFO] checking flexi_config-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate flexi_config 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate flexi_config 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexi_config 0.1.0
[INFO] finished tweaking crates.io crate flexi_config 0.1.0
[INFO] tweaked toml for crates.io crate flexi_config 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "1f7791a9c81020b943d011a7c06b9844bdd98061d7b8681b63207ac8a30efe3f", kill_on_drop: false }`
[INFO] [stdout] 1f7791a9c81020b943d011a7c06b9844bdd98061d7b8681b63207ac8a30efe3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c050512832bd113b54c68f24f196d87fa8c65efbb878a3ef5330e197d755ccce
[INFO] running `Command { std: "docker" "start" "-a" "c050512832bd113b54c68f24f196d87fa8c65efbb878a3ef5330e197d755ccce", kill_on_drop: false }`
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[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.1.42
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[INFO] [stderr]     Checking rand v0.3.23
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[INFO] [stderr]     Checking flexi_logger v0.5.2
[INFO] [stderr]     Checking flexi_config v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/time_format.rs:12:5
[INFO] [stdout]     |
[INFO] [stdout] 12  | use time;
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/config/log_format.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/config/log_format.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flexi_logger` is imported redundantly
[INFO] [stdout]    --> src/config/log_format.rs:11:20
[INFO] [stdout]     |
[INFO] [stdout] 11  | use flexi_logger::{self, LogRecord};
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | extern crate flexi_logger;
[INFO] [stdout]     | -------------------------- the item `flexi_logger` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:200:71
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (&LogFormat::Custom(ref a), &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -             (&LogFormat::Custom(ref a), &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout] 200 +             (&LogFormat::Custom(ref a), &LogFormat::Custom(ref b)) => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:201:71
[INFO] [stdout]     |
[INFO] [stdout] 201 |             (&LogFormat::CustomStr(a),  &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 201 -             (&LogFormat::CustomStr(a),  &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout] 201 +             (&LogFormat::CustomStr(a),  &LogFormat::CustomStr(b))  => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:202:71
[INFO] [stdout]     |
[INFO] [stdout] 202 |             (&LogFormat::Custom(ref a), &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -             (&LogFormat::Custom(ref a), &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout] 202 +             (&LogFormat::Custom(ref a), &LogFormat::CustomStr(b))  => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:203:71
[INFO] [stdout]     |
[INFO] [stdout] 203 |             (&LogFormat::CustomStr(a),  &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 -             (&LogFormat::CustomStr(a),  &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout] 203 +             (&LogFormat::CustomStr(a),  &LogFormat::Custom(ref b)) => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/flexi_config_cargo.rs:176:41
[INFO] [stdout]     |
[INFO] [stdout] 176 |         Err(Issues::single(String::from(("Error parsing cargo file."))))
[INFO] [stdout]     |                                         ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -         Err(Issues::single(String::from(("Error parsing cargo file."))))
[INFO] [stdout] 176 +         Err(Issues::single(String::from("Error parsing cargo file.")))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]    --> src/flexi_config_to_toml.rs:13:12
[INFO] [stdout]     |
[INFO] [stdout] 13  | use toml::{self, Value, Table};
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:227:1
[INFO] [stdout]     |
[INFO] [stdout] 227 | extern crate toml;
[INFO] [stdout]     | ------------------ the item `toml` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:430:40
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 config.format        = try!(self.stderr_format.format_function());
[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/lib.rs:435:43
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 config.format           = try!(self.disk_format.format_function());
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config/log_formatter.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static!{
[INFO] [stdout] 17 | |     //*********************************************************************************************
[INFO] [stdout] 18 | |     /// This static holds the appenders we're going to use in a writable container.  This is just
[INFO] [stdout] 19 | |     /// used so the APPENDERS static can be initialized from it.
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     };
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config/log_formatter.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static!{
[INFO] [stdout] 17 | |     //*********************************************************************************************
[INFO] [stdout] 18 | |     /// This static holds the appenders we're going to use in a writable container.  This is just
[INFO] [stdout] 19 | |     /// used so the APPENDERS static can be initialized from it.
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     };
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/time_format.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pieces : Vec<Box<TimeAppender>>
[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] 52 |     pieces : Vec<Box<dyn TimeAppender>>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Ok(Box<Appender>),
[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] 65 |     Ok(Box<dyn Appender>),
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_format_parser.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pieces : LinkedList<Box<Appender>>
[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] 97 |     pieces : LinkedList<Box<dyn Appender>>
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Full(Vec<Box<Appender>>),
[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] 42 |     Full(Vec<Box<dyn Appender>>),
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/am_pm.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         ) -> Box<TimeAppender>
[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] 55 |         ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/hour.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |         ) -> Box<TimeAppender>
[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] 56 |         ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/month.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ) -> Box<TimeAppender>
[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] 65 |     ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/year.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |         ) -> Box<TimeAppender>
[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] 44 |         ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/log_format_parser.rs:108:29
[INFO] [stdout]     |
[INFO] [stdout] 108 |         ) -> Result<Vec<Box<Appender>>, String>
[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] 108 |         ) -> Result<Vec<Box<dyn Appender>>, String>
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     static ref APPENDERS : Vec<Box<Appender>> = {
[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] 25 |     static ref APPENDERS : Vec<Box<dyn Appender>> = {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |     appenders : Vec<Box<Appender>>
[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] 79 |     appenders : Vec<Box<dyn Appender>>
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:57:35
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn take(&mut self) -> Vec<Box<Appender>>
[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] 57 |     fn take(&mut self) -> Vec<Box<dyn Appender>>
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/time_format.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut format : LinkedList<Box<TimeAppender>> = LinkedList::new();
[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] 66 |         let mut format : LinkedList<Box<dyn TimeAppender>> = LinkedList::new();
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/am_pm.rs:82:16
[INFO] [stdout]     |
[INFO] [stdout] 82  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/am_pm.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 84 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/day.rs:43:16
[INFO] [stdout]     |
[INFO] [stdout] 43  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/day.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 45 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/hour.rs:83:16
[INFO] [stdout]     |
[INFO] [stdout] 83  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/hour.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 85 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/millisecond.rs:40:16
[INFO] [stdout]     |
[INFO] [stdout] 40  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/millisecond.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 42 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/minute.rs:45:16
[INFO] [stdout]     |
[INFO] [stdout] 45  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/minute.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 47 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/month.rs:93:16
[INFO] [stdout]     |
[INFO] [stdout] 93  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/month.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 95 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/second.rs:45:16
[INFO] [stdout]     |
[INFO] [stdout] 45  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/second.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 47 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/time_format.rs:12:5
[INFO] [stdout]     |
[INFO] [stdout] 12  | use time;
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Appender` is imported redundantly
[INFO] [stdout]    --> src/appender/time/time_format.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     use appender::Appender;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     use super::*;
[INFO] [stdout]     |         -------- the item `Appender` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LogTest` is imported redundantly
[INFO] [stdout]    --> src/appender/time/time_format.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use appender::log_test::LogTest;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     use super::*;
[INFO] [stdout]     |         -------- the item `LogTest` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/time_format.rs:188:16
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 189 |     use super::*;
[INFO] [stdout]     |         -------- the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/time/year.rs:77:16
[INFO] [stdout]     |
[INFO] [stdout] 77  |     use time::{self, Duration};
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeAppender` is imported redundantly
[INFO] [stdout]   --> src/appender/time/year.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimeAppender` is already imported here
[INFO] [stdout] 79 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/appender/log_test.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 10  | use rand::{self, Rng};
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]    --> src/appender/log_test.rs:11:12
[INFO] [stdout]     |
[INFO] [stdout] 11  | use time::{self, Tm};
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | extern crate time;
[INFO] [stdout]     | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `u32` is imported redundantly
[INFO] [stdout]    --> src/config/issues_builder.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |     use std::u32;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 408 |     use super::*;
[INFO] [stdout]     |         -------- the item `u32` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Table` is imported redundantly
[INFO] [stdout]    --> src/config/issues_builder.rs:407:16
[INFO] [stdout]     |
[INFO] [stdout] 407 |     use toml::{Table, Value};
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 408 |     use super::*;
[INFO] [stdout]     |         -------- the item `Table` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Issues` is imported redundantly
[INFO] [stdout]    --> src/config/issues_builder.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |     use super::*;
[INFO] [stdout]     |         -------- the item `Issues` is already imported here
[INFO] [stdout] 409 |
[INFO] [stdout] 410 |     use config::issues::Issues;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/config/log_format.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/config/log_format.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `flexi_logger` is imported redundantly
[INFO] [stdout]    --> src/config/log_format.rs:11:20
[INFO] [stdout]     |
[INFO] [stdout] 11  | use flexi_logger::{self, LogRecord};
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | extern crate flexi_logger;
[INFO] [stdout]     | -------------------------- the item `flexi_logger` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:200:71
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (&LogFormat::Custom(ref a), &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -             (&LogFormat::Custom(ref a), &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout] 200 +             (&LogFormat::Custom(ref a), &LogFormat::Custom(ref b)) => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:201:71
[INFO] [stdout]     |
[INFO] [stdout] 201 |             (&LogFormat::CustomStr(a),  &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 201 -             (&LogFormat::CustomStr(a),  &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout] 201 +             (&LogFormat::CustomStr(a),  &LogFormat::CustomStr(b))  => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:202:71
[INFO] [stdout]     |
[INFO] [stdout] 202 |             (&LogFormat::Custom(ref a), &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -             (&LogFormat::Custom(ref a), &LogFormat::CustomStr(b))  => (a == b),
[INFO] [stdout] 202 +             (&LogFormat::Custom(ref a), &LogFormat::CustomStr(b))  => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/config/log_format.rs:203:71
[INFO] [stdout]     |
[INFO] [stdout] 203 |             (&LogFormat::CustomStr(a),  &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout]     |                                                                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 -             (&LogFormat::CustomStr(a),  &LogFormat::Custom(ref b)) => (a == b),
[INFO] [stdout] 203 +             (&LogFormat::CustomStr(a),  &LogFormat::Custom(ref b)) => a == b,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Table` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:321:16
[INFO] [stdout]     |
[INFO] [stdout] 321 |     use toml::{Table, Value};
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `Table` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:321:23
[INFO] [stdout]     |
[INFO] [stdout] 321 |     use toml::{Table, Value};
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `Value` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `APPLICATION` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `APPLICATION` is already imported here
[INFO] [stdout] 323 |     use super::{APPLICATION, TARGET, STDERR, DISK, PRIORITY};
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TARGET` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:323:30
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `TARGET` is already imported here
[INFO] [stdout] 323 |     use super::{APPLICATION, TARGET, STDERR, DISK, PRIORITY};
[INFO] [stdout]     |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `STDERR` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:323:38
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `STDERR` is already imported here
[INFO] [stdout] 323 |     use super::{APPLICATION, TARGET, STDERR, DISK, PRIORITY};
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DISK` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:323:46
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `DISK` is already imported here
[INFO] [stdout] 323 |     use super::{APPLICATION, TARGET, STDERR, DISK, PRIORITY};
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PRIORITY` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:323:52
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `PRIORITY` is already imported here
[INFO] [stdout] 323 |     use super::{APPLICATION, TARGET, STDERR, DISK, PRIORITY};
[INFO] [stdout]     |                                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Issues` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `Issues` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 325 |     use config::issues::Issues;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LogFormat` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `LogFormat` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 326 |     use config::log_format::LogFormat;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Priority` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `Priority` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 327 |     use config::priority::Priority;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Target` is imported redundantly
[INFO] [stdout]    --> src/config/toml_common.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         -------- the item `Target` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 328 |     use config::target::Target;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Table` is imported redundantly
[INFO] [stdout]    --> src/config/toml_depends.rs:123:16
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use toml::{Table, Value};
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 124 |     use super::*;
[INFO] [stdout]     |         -------- the item `Table` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]    --> src/config/toml_depends.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use toml::{Table, Value};
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 124 |     use super::*;
[INFO] [stdout]     |         -------- the item `Value` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Issues` is imported redundantly
[INFO] [stdout]    --> src/config/toml_depends.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     use super::*;
[INFO] [stdout]     |         -------- the item `Issues` is already imported here
[INFO] [stdout] 125 |
[INFO] [stdout] 126 |     use config::issues::Issues;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Priority` is imported redundantly
[INFO] [stdout]    --> src/config/toml_depends.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     use super::*;
[INFO] [stdout]     |         -------- the item `Priority` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 127 |     use config::priority::Priority;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `u32` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 |     use std::u32;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `u32` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Table` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:421:16
[INFO] [stdout]     |
[INFO] [stdout] 421 |     use toml::{Table, Value};
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `Table` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:421:23
[INFO] [stdout]     |
[INFO] [stdout] 421 |     use toml::{Table, Value};
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `Value` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DUP_ERROR` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:423:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `DUP_ERROR` is already imported here
[INFO] [stdout] 423 |     use super::{DUP_ERROR, DUP_INFO, EXT, TIMESTAMP, DIR, MAX_SIZE, NAME};
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DUP_INFO` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:423:28
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `DUP_INFO` is already imported here
[INFO] [stdout] 423 |     use super::{DUP_ERROR, DUP_INFO, EXT, TIMESTAMP, DIR, MAX_SIZE, NAME};
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EXT` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:423:38
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `EXT` is already imported here
[INFO] [stdout] 423 |     use super::{DUP_ERROR, DUP_INFO, EXT, TIMESTAMP, DIR, MAX_SIZE, NAME};
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TIMESTAMP` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:423:43
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `TIMESTAMP` is already imported here
[INFO] [stdout] 423 |     use super::{DUP_ERROR, DUP_INFO, EXT, TIMESTAMP, DIR, MAX_SIZE, NAME};
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DIR` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:423:54
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `DIR` is already imported here
[INFO] [stdout] 423 |     use super::{DUP_ERROR, DUP_INFO, EXT, TIMESTAMP, DIR, MAX_SIZE, NAME};
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MAX_SIZE` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:423:59
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `MAX_SIZE` is already imported here
[INFO] [stdout] 423 |     use super::{DUP_ERROR, DUP_INFO, EXT, TIMESTAMP, DIR, MAX_SIZE, NAME};
[INFO] [stdout]     |                                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NAME` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:423:69
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `NAME` is already imported here
[INFO] [stdout] 423 |     use super::{DUP_ERROR, DUP_INFO, EXT, TIMESTAMP, DIR, MAX_SIZE, NAME};
[INFO] [stdout]     |                                                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Issues` is imported redundantly
[INFO] [stdout]    --> src/config/toml_disk.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `Issues` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 425 |     use config::issues::Issues;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/flexi_config_cargo.rs:176:41
[INFO] [stdout]     |
[INFO] [stdout] 176 |         Err(Issues::single(String::from(("Error parsing cargo file."))))
[INFO] [stdout]     |                                         ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -         Err(Issues::single(String::from(("Error parsing cargo file."))))
[INFO] [stdout] 176 +         Err(Issues::single(String::from("Error parsing cargo file.")))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]    --> src/flexi_config_to_toml.rs:13:12
[INFO] [stdout]     |
[INFO] [stdout] 13  | use toml::{self, Value, Table};
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:227:1
[INFO] [stdout]     |
[INFO] [stdout] 227 | extern crate toml;
[INFO] [stdout]     | ------------------ the item `toml` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:430:40
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 config.format        = try!(self.stderr_format.format_function());
[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/lib.rs:435:43
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 config.format           = try!(self.disk_format.format_function());
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config/log_formatter.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static!{
[INFO] [stdout] 17 | |     //*********************************************************************************************
[INFO] [stdout] 18 | |     /// This static holds the appenders we're going to use in a writable container.  This is just
[INFO] [stdout] 19 | |     /// used so the APPENDERS static can be initialized from it.
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     };
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config/log_formatter.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static!{
[INFO] [stdout] 17 | |     //*********************************************************************************************
[INFO] [stdout] 18 | |     /// This static holds the appenders we're going to use in a writable container.  This is just
[INFO] [stdout] 19 | |     /// used so the APPENDERS static can be initialized from it.
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     };
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/time_format.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pieces : Vec<Box<TimeAppender>>
[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] 52 |     pieces : Vec<Box<dyn TimeAppender>>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Ok(Box<Appender>),
[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] 65 |     Ok(Box<dyn Appender>),
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_format_parser.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pieces : LinkedList<Box<Appender>>
[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] 97 |     pieces : LinkedList<Box<dyn Appender>>
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Full(Vec<Box<Appender>>),
[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] 42 |     Full(Vec<Box<dyn Appender>>),
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/mod.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn unwrap(self) -> Box<Appender>
[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] 82 |     pub fn unwrap(self) -> Box<dyn Appender>
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/am_pm.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         ) -> Box<TimeAppender>
[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] 55 |         ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/hour.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |         ) -> Box<TimeAppender>
[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] 56 |         ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/month.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ) -> Box<TimeAppender>
[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] 65 |     ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/year.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |         ) -> Box<TimeAppender>
[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] 44 |         ) -> Box<dyn TimeAppender>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/log_format_parser.rs:108:29
[INFO] [stdout]     |
[INFO] [stdout] 108 |         ) -> Result<Vec<Box<Appender>>, String>
[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] 108 |         ) -> Result<Vec<Box<dyn Appender>>, String>
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     static ref APPENDERS : Vec<Box<Appender>> = {
[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] 25 |     static ref APPENDERS : Vec<Box<dyn Appender>> = {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |     appenders : Vec<Box<Appender>>
[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] 79 |     appenders : Vec<Box<dyn Appender>>
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/log_formatter.rs:57:35
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn take(&mut self) -> Vec<Box<Appender>>
[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] 57 |     fn take(&mut self) -> Vec<Box<dyn Appender>>
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/appender/time/time_format.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut format : LinkedList<Box<TimeAppender>> = LinkedList::new();
[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] 66 |         let mut format : LinkedList<Box<dyn TimeAppender>> = LinkedList::new();
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `appender::time::TimeAppender`
[INFO] [stdout]   --> src/appender/time/am_pm.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `appender::time::TimeAppender`
[INFO] [stdout]   --> src/appender/time/hour.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `appender::time::TimeAppender`
[INFO] [stdout]   --> src/appender/time/month.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `appender::Appender`
[INFO] [stdout]    --> src/appender/time/time_format.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     use appender::Appender;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `appender::time::TimeAppender`
[INFO] [stdout]   --> src/appender/time/year.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use appender::time::TimeAppender;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/appender/log_test.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct LogTest
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub path : String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 84 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "c050512832bd113b54c68f24f196d87fa8c65efbb878a3ef5330e197d755ccce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c050512832bd113b54c68f24f196d87fa8c65efbb878a3ef5330e197d755ccce", kill_on_drop: false }`
[INFO] [stdout] c050512832bd113b54c68f24f196d87fa8c65efbb878a3ef5330e197d755ccce