[INFO] fetching crate log4rs-fluentd 0.2.0...
[INFO] checking log4rs-fluentd-0.2.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate log4rs-fluentd 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate log4rs-fluentd 0.2.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate log4rs-fluentd 0.2.0
[INFO] finished tweaking crates.io crate log4rs-fluentd 0.2.0
[INFO] tweaked toml for crates.io crate log4rs-fluentd 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded poston v0.1.6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9296ab545abc7053a4581067ea7d27665cc9866484afe5f2ad5f31616030f18
[INFO] running `"docker" "start" "-a" "b9296ab545abc7053a4581067ea7d27665cc9866484afe5f2ad5f31616030f18"`
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking poston v0.1.6
[INFO] [stderr]     Checking log4rs-fluentd v0.2.0 (/opt/rustwide/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] 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 5.06s
[INFO] running `"docker" "inspect" "b9296ab545abc7053a4581067ea7d27665cc9866484afe5f2ad5f31616030f18"`
[INFO] running `"docker" "rm" "-f" "b9296ab545abc7053a4581067ea7d27665cc9866484afe5f2ad5f31616030f18"`
[INFO] [stdout] b9296ab545abc7053a4581067ea7d27665cc9866484afe5f2ad5f31616030f18