[INFO] crate log4rs-fluentd 0.2.0 is already in cache
[INFO] extracting crate log4rs-fluentd 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/log4rs-fluentd/0.2.0
[INFO] extracting crate log4rs-fluentd 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/log4rs-fluentd/0.2.0
[INFO] validating manifest of log4rs-fluentd-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of log4rs-fluentd-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing log4rs-fluentd-0.2.0
[INFO] finished frobbing log4rs-fluentd-0.2.0
[INFO] frobbed toml for log4rs-fluentd-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/log4rs-fluentd/0.2.0/Cargo.toml
[INFO] started frobbing log4rs-fluentd-0.2.0
[INFO] finished frobbing log4rs-fluentd-0.2.0
[INFO] frobbed toml for log4rs-fluentd-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/log4rs-fluentd/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing log4rs-fluentd-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/log4rs-fluentd/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 034038e6f04c8649471578ee5959b6d763c458e253f00a7551869f29ea209df5
[INFO] running `"docker" "start" "-a" "034038e6f04c8649471578ee5959b6d763c458e253f00a7551869f29ea209df5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling poston v0.1.6
[INFO] [stderr]    Compiling log4rs-fluentd v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fluentd.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     encoder: Box<log4rs::encode::Encode>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[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/fluentd.rs:47:57
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn append(&self, record: &Record) -> Result<(), Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fluentd.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fluentd.rs:68:43
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fluentd.rs:132:18
[INFO] [stderr]     |
[INFO] [stderr] 132 |     type Trait = log4rs::append::Append;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::append::Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fluentd.rs:135:126
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn deserialize(&self, config: Self::Config, deserializers: &log4rs::file::Deserializers) -> Result<Box<Self::Trait>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                                                                                                              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.70s
[INFO] running `"docker" "inspect" "034038e6f04c8649471578ee5959b6d763c458e253f00a7551869f29ea209df5"`
[INFO] running `"docker" "rm" "-f" "034038e6f04c8649471578ee5959b6d763c458e253f00a7551869f29ea209df5"`
[INFO] [stdout] 034038e6f04c8649471578ee5959b6d763c458e253f00a7551869f29ea209df5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/log4rs-fluentd/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0e7c633e2508488690b5c009ca2a77bd6b6ab8596c8a7bdce637dec034aa45a0
[INFO] running `"docker" "start" "-a" "0e7c633e2508488690b5c009ca2a77bd6b6ab8596c8a7bdce637dec034aa45a0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log4rs-fluentd v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fluentd.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     encoder: Box<log4rs::encode::Encode>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[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/fluentd.rs:47:57
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn append(&self, record: &Record) -> Result<(), Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fluentd.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fluentd.rs:68:43
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fluentd.rs:132:18
[INFO] [stderr]     |
[INFO] [stderr] 132 |     type Trait = log4rs::append::Append;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::append::Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fluentd.rs:135:126
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn deserialize(&self, config: Self::Config, deserializers: &log4rs::file::Deserializers) -> Result<Box<Self::Trait>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                                                                                                              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "0e7c633e2508488690b5c009ca2a77bd6b6ab8596c8a7bdce637dec034aa45a0"`
[INFO] running `"docker" "rm" "-f" "0e7c633e2508488690b5c009ca2a77bd6b6ab8596c8a7bdce637dec034aa45a0"`
[INFO] [stdout] 0e7c633e2508488690b5c009ca2a77bd6b6ab8596c8a7bdce637dec034aa45a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/log4rs-fluentd/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ec3833ec122c8a0306efcb94f36b5926f23ab97baa3568c35dde68d1560abf7c
[INFO] running `"docker" "start" "-a" "ec3833ec122c8a0306efcb94f36b5926f23ab97baa3568c35dde68d1560abf7c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/log4rs_fluentd-ba0296cd6c697df9
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log4rs-fluentd
[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] [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" "ec3833ec122c8a0306efcb94f36b5926f23ab97baa3568c35dde68d1560abf7c"`
[INFO] running `"docker" "rm" "-f" "ec3833ec122c8a0306efcb94f36b5926f23ab97baa3568c35dde68d1560abf7c"`
[INFO] [stdout] ec3833ec122c8a0306efcb94f36b5926f23ab97baa3568c35dde68d1560abf7c