[INFO] crate log4rs-rolling-file 0.2.0 is already in cache
[INFO] extracting crate log4rs-rolling-file 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/log4rs-rolling-file/0.2.0
[INFO] extracting crate log4rs-rolling-file 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log4rs-rolling-file/0.2.0
[INFO] validating manifest of log4rs-rolling-file-0.2.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of log4rs-rolling-file-0.2.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing log4rs-rolling-file-0.2.0
[INFO] finished frobbing log4rs-rolling-file-0.2.0
[INFO] frobbed toml for log4rs-rolling-file-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/log4rs-rolling-file/0.2.0/Cargo.toml
[INFO] started frobbing log4rs-rolling-file-0.2.0
[INFO] finished frobbing log4rs-rolling-file-0.2.0
[INFO] frobbed toml for log4rs-rolling-file-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log4rs-rolling-file/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing log4rs-rolling-file-0.2.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log4rs-rolling-file/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 00c59c41c3520e1d4d782d0df79cf341c51f5b298c5a5b5509c0b2fac0d150ad
[INFO] running `"docker" "start" "-a" "00c59c41c3520e1d4d782d0df79cf341c51f5b298c5a5b5509c0b2fac0d150ad"`
[INFO] [stderr]    Compiling humantime v0.1.3
[INFO] [stderr]    Compiling serde_yaml v0.2.5
[INFO] [stderr]    Compiling ordered-float v0.1.0
[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/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |     type Trait = Roll;
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:44:75
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:44:86
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]    |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/fixed_window/mod.rs:87:51
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:157:84
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn build(self, pattern: &str, count: u32) -> Result<FixedWindowRoller, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:203:18
[INFO] [stderr]     |
[INFO] [stderr] 203 |     type Trait = Roll;
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:205:75
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]     |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:205:86
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]     |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/mod.rs:19:51
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>>;
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/policy/compound/trigger/size/config.rs:148:54
[INFO] [stderr]     |
[INFO] [stderr] 148 |                                                   Some(({
[INFO] [stderr]     |  ______________________________________________________^
[INFO] [stderr] 149 | |                                                           struct __SerdeDeserializeWithStruct {
[INFO] [stderr] 150 | |                                                               value: u64,
[INFO] [stderr] 151 | |                                                               phantom: ::std::marker::PhantomData<Config>,
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |                                                                > (  )).value
[INFO] [stderr] 180 | |                                                       }));
[INFO] [stderr]     | |________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 148 |                                                 Some({
[INFO] [stderr] 149 |                                                           struct __SerdeDeserializeWithStruct {
[INFO] [stderr] 150 |                                                               value: u64,
[INFO] [stderr] 151 |                                                               phantom: ::std::marker::PhantomData<Config>,
[INFO] [stderr] 152 |                                                           }
[INFO] [stderr] 153 |                                                           impl _serde::de::Deserialize
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:29:59
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:49:18
[INFO] [stderr]    |
[INFO] [stderr] 49 |     type Trait = Trigger;
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:51:75
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:51:89
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/mod.rs:13:59
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>>;
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     trigger: Box<Trigger>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     roller: Box<Roll>,
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:30:51
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stderr]    |                                                   ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:39:60
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:77:18
[INFO] [stderr]    |
[INFO] [stderr] 77 |     type Trait = Policy;
[INFO] [stderr]    |                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:82:34
[INFO] [stderr]    |
[INFO] [stderr] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:82:47
[INFO] [stderr]    |
[INFO] [stderr] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/mod.rs:15:60
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>>;
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |     encoder: Box<Encode>,
[INFO] [stderr]     |                  ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |     policy: Box<Policy>,
[INFO] [stderr]     |                 ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:154:60
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn append(&self, record: &LogRecord) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:210:25
[INFO] [stderr]     |
[INFO] [stderr] 210 |     encoder: Option<Box<Encode>>,
[INFO] [stderr]     |                         ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:43
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn encoder(mut self, encoder: Box<Encode>) -> RollingFileAppenderBuilder {
[INFO] [stderr]     |                                           ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:48
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn build<P>(self, path: P, policy: Box<Policy>) -> RollingFileAppender
[INFO] [stderr]     |                                                ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:280:18
[INFO] [stderr]     |
[INFO] [stderr] 280 |     type Trait = Append;
[INFO] [stderr]     |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:34
[INFO] [stderr]     |
[INFO] [stderr] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stderr]     |                                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:47
[INFO] [stderr]     |
[INFO] [stderr] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.84s
[INFO] running `"docker" "inspect" "00c59c41c3520e1d4d782d0df79cf341c51f5b298c5a5b5509c0b2fac0d150ad"`
[INFO] running `"docker" "rm" "-f" "00c59c41c3520e1d4d782d0df79cf341c51f5b298c5a5b5509c0b2fac0d150ad"`
[INFO] [stdout] 00c59c41c3520e1d4d782d0df79cf341c51f5b298c5a5b5509c0b2fac0d150ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log4rs-rolling-file/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6d3889e7e774084f17f56671bde846cc0411e7b533db905c4567e0ce9ee7e34e
[INFO] running `"docker" "start" "-a" "6d3889e7e774084f17f56671bde846cc0411e7b533db905c4567e0ce9ee7e34e"`
[INFO] [stderr]    Compiling log4rs-rolling-file v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |     type Trait = Roll;
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:44:75
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/delete/mod.rs:44:86
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]    |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/fixed_window/mod.rs:87:51
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:157:84
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn build(self, pattern: &str, count: u32) -> Result<FixedWindowRoller, Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:203:18
[INFO] [stderr]     |
[INFO] [stderr] 203 |     type Trait = Roll;
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:205:75
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]     |                                                                           ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/policy/compound/roll/fixed_window/mod.rs:205:86
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Roll>, Box<Error>> {
[INFO] [stderr]     |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/roll/mod.rs:19:51
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn roll(&self, file: &Path) -> Result<(), Box<Error>>;
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/policy/compound/trigger/size/config.rs:148:54
[INFO] [stderr]     |
[INFO] [stderr] 148 |                                                   Some(({
[INFO] [stderr]     |  ______________________________________________________^
[INFO] [stderr] 149 | |                                                           struct __SerdeDeserializeWithStruct {
[INFO] [stderr] 150 | |                                                               value: u64,
[INFO] [stderr] 151 | |                                                               phantom: ::std::marker::PhantomData<Config>,
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |                                                                > (  )).value
[INFO] [stderr] 180 | |                                                       }));
[INFO] [stderr]     | |________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 148 |                                                 Some({
[INFO] [stderr] 149 |                                                           struct __SerdeDeserializeWithStruct {
[INFO] [stderr] 150 |                                                               value: u64,
[INFO] [stderr] 151 |                                                               phantom: ::std::marker::PhantomData<Config>,
[INFO] [stderr] 152 |                                                           }
[INFO] [stderr] 153 |                                                           impl _serde::de::Deserialize
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:29:59
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:49:18
[INFO] [stderr]    |
[INFO] [stderr] 49 |     type Trait = Trigger;
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:51:75
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/size/mod.rs:51:89
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn deserialize(&self, config: Value, _: &Deserializers) -> Result<Box<Trigger>, Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/trigger/mod.rs:13:59
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn trigger(&self, file: &LogFile) -> Result<bool, Box<Error>>;
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     trigger: Box<Trigger>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     roller: Box<Roll>,
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn Trigger`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:30:51
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(trigger: Box<Trigger>, roller: Box<Roll>) -> CompoundPolicy {
[INFO] [stderr]    |                                                   ^^^^ help: use `dyn`: `dyn Roll`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:39:60
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:77:18
[INFO] [stderr]    |
[INFO] [stderr] 77 |     type Trait = Policy;
[INFO] [stderr]    |                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:82:34
[INFO] [stderr]    |
[INFO] [stderr] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/compound/mod.rs:82:47
[INFO] [stderr]    |
[INFO] [stderr] 82 |                    -> Result<Box<Policy>, Box<Error>> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/policy/mod.rs:15:60
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn process(&self, log: &mut LogFile) -> Result<(), Box<Error>>;
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |     encoder: Box<Encode>,
[INFO] [stderr]     |                  ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |     policy: Box<Policy>,
[INFO] [stderr]     |                 ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:154:60
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn append(&self, record: &LogRecord) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:210:25
[INFO] [stderr]     |
[INFO] [stderr] 210 |     encoder: Option<Box<Encode>>,
[INFO] [stderr]     |                         ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:43
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn encoder(mut self, encoder: Box<Encode>) -> RollingFileAppenderBuilder {
[INFO] [stderr]     |                                           ^^^^^^ help: use `dyn`: `dyn Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:48
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn build<P>(self, path: P, policy: Box<Policy>) -> RollingFileAppender
[INFO] [stderr]     |                                                ^^^^^^ help: use `dyn`: `dyn Policy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:280:18
[INFO] [stderr]     |
[INFO] [stderr] 280 |     type Trait = Append;
[INFO] [stderr]     |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:34
[INFO] [stderr]     |
[INFO] [stderr] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stderr]     |                                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:47
[INFO] [stderr]     |
[INFO] [stderr] 285 |                    -> Result<Box<Append>, Box<Error>> {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/policy/compound/trigger/size/config.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "6d3889e7e774084f17f56671bde846cc0411e7b533db905c4567e0ce9ee7e34e"`
[INFO] running `"docker" "rm" "-f" "6d3889e7e774084f17f56671bde846cc0411e7b533db905c4567e0ce9ee7e34e"`
[INFO] [stdout] 6d3889e7e774084f17f56671bde846cc0411e7b533db905c4567e0ce9ee7e34e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log4rs-rolling-file/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 88c258ec857c370eb6c2c3c3b38baf71da57ac1546fa6c9a947a47e5d449dbf3
[INFO] running `"docker" "start" "-a" "88c258ec857c370eb6c2c3c3b38baf71da57ac1546fa6c9a947a47e5d449dbf3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/log4rs_rolling_file-dd6a1280cff16a5e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test policy::compound::roll::fixed_window::test::supported_gzip ... ignored
[INFO] [stdout] test policy::compound::roll::fixed_window::test::unsupported_gzip ... ok
[INFO] [stdout] test policy::compound::roll::fixed_window::test::create_archive_unvaried ... ok
[INFO] [stdout] test policy::compound::roll::fixed_window::test::rotation ... ok
[INFO] [stdout] test test::deserialize ... ok
[INFO] [stdout] test policy::compound::roll::fixed_window::test::create_archive_varied ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log4rs-rolling-file
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "88c258ec857c370eb6c2c3c3b38baf71da57ac1546fa6c9a947a47e5d449dbf3"`
[INFO] running `"docker" "rm" "-f" "88c258ec857c370eb6c2c3c3b38baf71da57ac1546fa6c9a947a47e5d449dbf3"`
[INFO] [stdout] 88c258ec857c370eb6c2c3c3b38baf71da57ac1546fa6c9a947a47e5d449dbf3