[INFO] fetching crate log4rs-rolling-file 0.2.0...
[INFO] building log4rs-rolling-file-0.2.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate log4rs-rolling-file 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate log4rs-rolling-file 0.2.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log4rs-rolling-file 0.2.0
[INFO] finished tweaking crates.io crate log4rs-rolling-file 0.2.0
[INFO] tweaked toml for crates.io crate log4rs-rolling-file 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded serde_yaml v0.2.5
[INFO] [stderr]   Downloaded ordered-float v0.1.0
[INFO] [stderr]   Downloaded serde-value v0.2.1
[INFO] [stderr]   Downloaded humantime v0.1.3
[INFO] [stderr]   Downloaded log4rs v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa6b4e47461165a142f5528b4abd76a7c9b2df12a7efa5e01ca20889a199933f
[INFO] running `Command { std: "docker" "start" "-a" "aa6b4e47461165a142f5528b4abd76a7c9b2df12a7efa5e01ca20889a199933f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa6b4e47461165a142f5528b4abd76a7c9b2df12a7efa5e01ca20889a199933f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6b4e47461165a142f5528b4abd76a7c9b2df12a7efa5e01ca20889a199933f", kill_on_drop: false }`
[INFO] [stdout] aa6b4e47461165a142f5528b4abd76a7c9b2df12a7efa5e01ca20889a199933f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6649dc515c2a0ee71c5d1e87474ef43507339cd3d57dae01b705f59474d32a96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6649dc515c2a0ee71c5d1e87474ef43507339cd3d57dae01b705f59474d32a96", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling humantime v0.1.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling serde_yaml v0.2.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling ordered-float v0.1.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling serde-value v0.2.1
[INFO] [stderr]    Compiling log4rs v0.4.8
[INFO] [stderr]    Compiling log4rs-rolling-file v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:102:43
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   match try!(visitor . visit :: < Trigger >
[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/policy/compound/config.rs:106:45
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:111:43
[INFO] [stdout]     |
[INFO] [stdout] 111 | ...                   match try!(visitor . visit :: < Roller > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:115:45
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:132:43
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:141:54
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:151:54
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:157:33
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:162:41
[INFO] [stdout]     |
[INFO] [stdout] 162 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:169:41
[INFO] [stdout]     |
[INFO] [stdout] 169 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:216:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   { try!(visitor . end (  )); Ok(Config{}) }
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:82:43
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   try!(visitor . end (  ));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Trait = Roll;
[INFO] [stdout]    |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:44:75
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:44:86
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]    |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/config.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...                   match try!(visitor . visit :: < String > (
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:110:45
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:115:43
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   match try!(visitor . visit :: < u32 > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:119:45
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:123:33
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:138:43
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:147:54
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:157:54
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:168:54
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:174:33
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:179:41
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:186:41
[INFO] [stdout]     |
[INFO] [stdout] 186 | ...                   try!(visitor . missing_field ( "base"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:193:41
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   try!(visitor . missing_field ( "count"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/mod.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |             try!(fs::create_dir_all(parent));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     try!(fs::create_dir_all(parent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             try!(move_file(&src, &dst));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/mod.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:157:84
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn build(self, pattern: &str, count: u32) -> Result<FixedWindowRoller, Box<Error>> {
[INFO] [stdout]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |     type Trait = Roll;
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:206:30
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |         Ok(Box::new(try!(builder.build(&config.pattern, config.count))))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:205:75
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]     |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:205:86
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]     |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/mod.rs:19:51
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:117:47
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   try!(visitor . visit :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 | ...                   try!(deserialize_limit
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:139:43
[INFO] [stdout]     |
[INFO] [stdout] 139 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:175:59
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   try!(visitor .
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:184:33
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:148:54
[INFO] [stdout]     |
[INFO] [stdout] 148 |   ...                   Some(({
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 149 | | ...                             struct __SerdeDeserializeWithStruct {
[INFO] [stdout] 150 | | ...                                 value: u64,
[INFO] [stdout] 151 | | ...                                 phantom: ::std::marker::PhantomData<Config>,
[INFO] [stdout] ...   |
[INFO] [stdout] 179 | | ...                                  > (  )).value
[INFO] [stdout] 180 | | ...                         }));
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 |                                                 Some({
[INFO] [stdout] 149 |                                                           struct __SerdeDeserializeWithStruct {
[INFO] [stdout] 150 |                                                               value: u64,
[INFO] [stdout] 151 |                                                               phantom: ::std::marker::PhantomData<Config>,
[INFO] [stdout] 152 |                                                           }
[INFO] [stdout] 153 |                                                           impl _serde::de::Deserialize
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:165:71
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   try!(deserialize_limit
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:29:59
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     type Trait = Trigger;
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:51:75
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:51:89
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stdout]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/mod.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>>;
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     trigger: Box<Trigger>,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     roller: Box<Roll>,
[INFO] [stdout]    |                 ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stdout]    |                             ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:30:51
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stdout]    |                                                   ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if try!(self.trigger.trigger(log)) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(self.roller.roll(log.path()))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type Trait = Policy;
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try!(deserializers.deserialize("trigger", &config.trigger.kind, config.trigger.config));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             try!(deserializers.deserialize("roller", &config.roller.kind, config.roller.config));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:82:34
[INFO] [stdout]    |
[INFO] [stdout] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:82:47
[INFO] [stdout]    |
[INFO] [stdout] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/mod.rs:15:60
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:113:43
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   match try!(visitor . visit :: < String > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:126:45
[INFO] [stdout]     |
[INFO] [stdout] 126 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:135:45
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:140:43
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   match try!(visitor . visit :: < Policy > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:148:33
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:175:54
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:185:54
[INFO] [stdout]     |
[INFO] [stdout] 185 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:196:54
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:207:54
[INFO] [stdout]     |
[INFO] [stdout] 207 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...                   try!(visitor . missing_field ( "path"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:225:41
[INFO] [stdout]     |
[INFO] [stdout] 225 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:232:41
[INFO] [stdout]     |
[INFO] [stdout] 232 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:239:41
[INFO] [stdout]     |
[INFO] [stdout] 239 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |     encoder: Box<Encode>,
[INFO] [stdout]     |                  ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     policy: Box<Policy>,
[INFO] [stdout]     |                 ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 try!(fs::create_dir_all(parent));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:162:24
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let file = try!(OpenOptions::new()
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 try!(self.path.metadata()).len()
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(self.encoder.encode(writer, record));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             try!(writer.flush());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:60
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn append(&self, record: &LogRecord) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:210:25
[INFO] [stdout]     |
[INFO] [stdout] 210 |     encoder: Option<Box<Encode>>,
[INFO] [stdout]     |                         ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:225:43
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn encoder(mut self, encoder: Box<Encode>) -> RollingFileAppenderBuilder {
[INFO] [stdout]     |                                           ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn build<P>(self, path: P, policy: Box<Policy>) -> RollingFileAppender
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |     type Trait = Append;
[INFO] [stdout]     |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:30
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:293:27
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let encoder = try!(deserializers.deserialize("encoder", &encoder.kind, encoder.config));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             try!(deserializers.deserialize("policy", &config.policy.kind, config.policy.config));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:285:34
[INFO] [stdout]     |
[INFO] [stdout] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stdout]     |                                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:285:47
[INFO] [stdout]     |
[INFO] [stdout] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 118 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.67s
[INFO] running `Command { std: "docker" "inspect" "6649dc515c2a0ee71c5d1e87474ef43507339cd3d57dae01b705f59474d32a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6649dc515c2a0ee71c5d1e87474ef43507339cd3d57dae01b705f59474d32a96", kill_on_drop: false }`
[INFO] [stdout] 6649dc515c2a0ee71c5d1e87474ef43507339cd3d57dae01b705f59474d32a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee69f6d2d4c58eeabfb0842cf1256c112d911d9cafd523d3ba3e9db01dbe8bdb
[INFO] running `Command { std: "docker" "start" "-a" "ee69f6d2d4c58eeabfb0842cf1256c112d911d9cafd523d3ba3e9db01dbe8bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:102:43
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   match try!(visitor . visit :: < Trigger >
[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/policy/compound/config.rs:106:45
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:111:43
[INFO] [stdout]     |
[INFO] [stdout] 111 | ...                   match try!(visitor . visit :: < Roller > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:115:45
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:132:43
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:141:54
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:151:54
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:157:33
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:162:41
[INFO] [stdout]     |
[INFO] [stdout] 162 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:169:41
[INFO] [stdout]     |
[INFO] [stdout] 169 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:216:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   { try!(visitor . end (  )); Ok(Config{}) }
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:82:43
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   try!(visitor . end (  ));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Trait = Roll;
[INFO] [stdout]    |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:44:75
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:44:86
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]    |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/config.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...                   match try!(visitor . visit :: < String > (
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:110:45
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:115:43
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   match try!(visitor . visit :: < u32 > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:119:45
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:123:33
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:138:43
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:147:54
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:157:54
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:168:54
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:174:33
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:179:41
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:186:41
[INFO] [stdout]     |
[INFO] [stdout] 186 | ...                   try!(visitor . missing_field ( "base"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:193:41
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   try!(visitor . missing_field ( "count"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/mod.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |             try!(fs::create_dir_all(parent));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     try!(fs::create_dir_all(parent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             try!(move_file(&src, &dst));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/mod.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:157:84
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn build(self, pattern: &str, count: u32) -> Result<FixedWindowRoller, Box<Error>> {
[INFO] [stdout]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |     type Trait = Roll;
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:206:30
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |         Ok(Box::new(try!(builder.build(&config.pattern, config.count))))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:205:75
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]     |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:205:86
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]     |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/mod.rs:19:51
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:117:47
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   try!(visitor . visit :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 | ...                   try!(deserialize_limit
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:139:43
[INFO] [stdout]     |
[INFO] [stdout] 139 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:175:59
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   try!(visitor .
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:184:33
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:148:54
[INFO] [stdout]     |
[INFO] [stdout] 148 |   ...                   Some(({
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 149 | | ...                             struct __SerdeDeserializeWithStruct {
[INFO] [stdout] 150 | | ...                                 value: u64,
[INFO] [stdout] 151 | | ...                                 phantom: ::std::marker::PhantomData<Config>,
[INFO] [stdout] ...   |
[INFO] [stdout] 179 | | ...                                  > (  )).value
[INFO] [stdout] 180 | | ...                         }));
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 |                                                 Some({
[INFO] [stdout] 149 |                                                           struct __SerdeDeserializeWithStruct {
[INFO] [stdout] 150 |                                                               value: u64,
[INFO] [stdout] 151 |                                                               phantom: ::std::marker::PhantomData<Config>,
[INFO] [stdout] 152 |                                                           }
[INFO] [stdout] 153 |                                                           impl _serde::de::Deserialize
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:165:71
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   try!(deserialize_limit
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:29:59
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     type Trait = Trigger;
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:51:75
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:51:89
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stdout]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/mod.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>>;
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     trigger: Box<Trigger>,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     roller: Box<Roll>,
[INFO] [stdout]    |                 ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stdout]    |                             ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:30:51
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stdout]    |                                                   ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if try!(self.trigger.trigger(log)) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(self.roller.roll(log.path()))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type Trait = Policy;
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try!(deserializers.deserialize("trigger", &config.trigger.kind, config.trigger.config));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             try!(deserializers.deserialize("roller", &config.roller.kind, config.roller.config));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:82:34
[INFO] [stdout]    |
[INFO] [stdout] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:82:47
[INFO] [stdout]    |
[INFO] [stdout] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/mod.rs:15:60
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:113:43
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   match try!(visitor . visit :: < String > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:126:45
[INFO] [stdout]     |
[INFO] [stdout] 126 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:135:45
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:140:43
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   match try!(visitor . visit :: < Policy > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:148:33
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:175:54
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:185:54
[INFO] [stdout]     |
[INFO] [stdout] 185 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:196:54
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:207:54
[INFO] [stdout]     |
[INFO] [stdout] 207 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...                   try!(visitor . missing_field ( "path"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:225:41
[INFO] [stdout]     |
[INFO] [stdout] 225 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:232:41
[INFO] [stdout]     |
[INFO] [stdout] 232 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:239:41
[INFO] [stdout]     |
[INFO] [stdout] 239 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |     encoder: Box<Encode>,
[INFO] [stdout]     |                  ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     policy: Box<Policy>,
[INFO] [stdout]     |                 ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 try!(fs::create_dir_all(parent));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:162:24
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let file = try!(OpenOptions::new()
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 try!(self.path.metadata()).len()
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(self.encoder.encode(writer, record));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             try!(writer.flush());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:60
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn append(&self, record: &LogRecord) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:210:25
[INFO] [stdout]     |
[INFO] [stdout] 210 |     encoder: Option<Box<Encode>>,
[INFO] [stdout]     |                         ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:225:43
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn encoder(mut self, encoder: Box<Encode>) -> RollingFileAppenderBuilder {
[INFO] [stdout]     |                                           ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn build<P>(self, path: P, policy: Box<Policy>) -> RollingFileAppender
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |     type Trait = Append;
[INFO] [stdout]     |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:30
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:293:27
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let encoder = try!(deserializers.deserialize("encoder", &encoder.kind, encoder.config));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             try!(deserializers.deserialize("policy", &config.policy.kind, config.policy.config));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:285:34
[INFO] [stdout]     |
[INFO] [stdout] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stdout]     |                                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:285:47
[INFO] [stdout]     |
[INFO] [stdout] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 118 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling log4rs-rolling-file v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:102:43
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   match try!(visitor . visit :: < Trigger >
[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/policy/compound/config.rs:106:45
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:111:43
[INFO] [stdout]     |
[INFO] [stdout] 111 | ...                   match try!(visitor . visit :: < Roller > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:115:45
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:132:43
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:141:54
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:151:54
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:157:33
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:162:41
[INFO] [stdout]     |
[INFO] [stdout] 162 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:169:41
[INFO] [stdout]     |
[INFO] [stdout] 169 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/config.rs:216:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   { try!(visitor . end (  )); Ok(Config{}) }
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:82:43
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/config.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   try!(visitor . end (  ));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Trait = Roll;
[INFO] [stdout]    |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:44:75
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/delete/mod.rs:44:86
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]    |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/config.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...                   match try!(visitor . visit :: < String > (
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:110:45
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:115:43
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   match try!(visitor . visit :: < u32 > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:119:45
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:123:33
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:138:43
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:147:54
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:157:54
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:168:54
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:174:33
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:179:41
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:186:41
[INFO] [stdout]     |
[INFO] [stdout] 186 | ...                   try!(visitor . missing_field ( "base"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/config.rs:193:41
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   try!(visitor . missing_field ( "count"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/mod.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |             try!(fs::create_dir_all(parent));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     try!(fs::create_dir_all(parent));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             try!(move_file(&src, &dst));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/fixed_window/mod.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:157:84
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn build(self, pattern: &str, count: u32) -> Result<FixedWindowRoller, Box<Error>> {
[INFO] [stdout]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |     type Trait = Roll;
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:206:30
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |         Ok(Box::new(try!(builder.build(&config.pattern, config.count))))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:205:75
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]     |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/policy/compound/roll/fixed_window/mod.rs:205:86
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stdout]     |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/roll/mod.rs:19:51
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:117:47
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   try!(visitor . visit :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 | ...                   try!(deserialize_limit
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:139:43
[INFO] [stdout]     |
[INFO] [stdout] 139 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:175:59
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   try!(visitor .
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:184:33
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:148:54
[INFO] [stdout]     |
[INFO] [stdout] 148 |   ...                   Some(({
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 149 | | ...                             struct __SerdeDeserializeWithStruct {
[INFO] [stdout] 150 | | ...                                 value: u64,
[INFO] [stdout] 151 | | ...                                 phantom: ::std::marker::PhantomData<Config>,
[INFO] [stdout] ...   |
[INFO] [stdout] 179 | | ...                                  > (  )).value
[INFO] [stdout] 180 | | ...                         }));
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 |                                                 Some({
[INFO] [stdout] 149 |                                                           struct __SerdeDeserializeWithStruct {
[INFO] [stdout] 150 |                                                               value: u64,
[INFO] [stdout] 151 |                                                               phantom: ::std::marker::PhantomData<Config>,
[INFO] [stdout] 152 |                                                           }
[INFO] [stdout] 153 |                                                           impl _serde::de::Deserialize
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/policy/compound/trigger/size/config.rs:165:71
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   try!(deserialize_limit
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:29:59
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     type Trait = Trigger;
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:51:75
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/size/mod.rs:51:89
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stdout]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/trigger/mod.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>>;
[INFO] [stdout]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     trigger: Box<Trigger>,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     roller: Box<Roll>,
[INFO] [stdout]    |                 ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stdout]    |                             ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:30:51
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stdout]    |                                                   ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if try!(self.trigger.trigger(log)) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(self.roller.roll(log.path()))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type Trait = Policy;
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             try!(deserializers.deserialize("trigger", &config.trigger.kind, config.trigger.config));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/policy/compound/mod.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             try!(deserializers.deserialize("roller", &config.roller.kind, config.roller.config));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:82:34
[INFO] [stdout]    |
[INFO] [stdout] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/compound/mod.rs:82:47
[INFO] [stdout]    |
[INFO] [stdout] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/policy/mod.rs:15:60
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>>;
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:113:43
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   match try!(visitor . visit :: < String > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:126:45
[INFO] [stdout]     |
[INFO] [stdout] 126 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 | ...                   match try!(visitor . visit :: <
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:135:45
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:140:43
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   match try!(visitor . visit :: < Policy > (
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:148:33
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   try!(visitor . visit_key :: <
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:175:54
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:185:54
[INFO] [stdout]     |
[INFO] [stdout] 185 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:196:54
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:207:54
[INFO] [stdout]     |
[INFO] [stdout] 207 | ...                   Some(try!(visitor .
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   try!(visitor . end (  ));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...                   try!(visitor . missing_field ( "path"
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:225:41
[INFO] [stdout]     |
[INFO] [stdout] 225 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:232:41
[INFO] [stdout]     |
[INFO] [stdout] 232 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:239:41
[INFO] [stdout]     |
[INFO] [stdout] 239 | ...                   try!(visitor . missing_field (
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             try!(BTreeMap :: < Value , Value > :: deserialize ( d ));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(kind . deserialize_into (  ) . map_err (
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |     encoder: Box<Encode>,
[INFO] [stdout]     |                  ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     policy: Box<Policy>,
[INFO] [stdout]     |                 ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 try!(fs::create_dir_all(parent));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:162:24
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let file = try!(OpenOptions::new()
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 try!(self.path.metadata()).len()
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(self.encoder.encode(writer, record));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             try!(writer.flush());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:60
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn append(&self, record: &LogRecord) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:210:25
[INFO] [stdout]     |
[INFO] [stdout] 210 |     encoder: Option<Box<Encode>>,
[INFO] [stdout]     |                         ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:225:43
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn encoder(mut self, encoder: Box<Encode>) -> RollingFileAppenderBuilder {
[INFO] [stdout]     |                                           ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn build<P>(self, path: P, policy: Box<Policy>) -> RollingFileAppender
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |     type Trait = Append;
[INFO] [stdout]     |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:30
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let config: Config = try!(config.deserialize_into());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:293:27
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let encoder = try!(deserializers.deserialize("encoder", &encoder.kind, encoder.config));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             try!(deserializers.deserialize("policy", &config.policy.kind, config.policy.config));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:285:34
[INFO] [stdout]     |
[INFO] [stdout] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stdout]     |                                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:285:47
[INFO] [stdout]     |
[INFO] [stdout] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 118 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "ee69f6d2d4c58eeabfb0842cf1256c112d911d9cafd523d3ba3e9db01dbe8bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee69f6d2d4c58eeabfb0842cf1256c112d911d9cafd523d3ba3e9db01dbe8bdb", kill_on_drop: false }`
[INFO] [stdout] ee69f6d2d4c58eeabfb0842cf1256c112d911d9cafd523d3ba3e9db01dbe8bdb
