[INFO] fetching crate log4rs-fluentd 0.2.0...
[INFO] checking log4rs-fluentd-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate log4rs-fluentd 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate log4rs-fluentd 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 1d67c1be97ac2c1d10976699e2653d38a3f641d7371ed6f5e847a24993d36a90
[INFO] running `Command { std: "docker" "start" "-a" "1d67c1be97ac2c1d10976699e2653d38a3f641d7371ed6f5e847a24993d36a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d67c1be97ac2c1d10976699e2653d38a3f641d7371ed6f5e847a24993d36a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d67c1be97ac2c1d10976699e2653d38a3f641d7371ed6f5e847a24993d36a90", kill_on_drop: false }`
[INFO] [stdout] 1d67c1be97ac2c1d10976699e2653d38a3f641d7371ed6f5e847a24993d36a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--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] f899709aa7d22bb3e41a5985b20f5889289392b13fa15d0b8be34d0b68521300
[INFO] running `Command { std: "docker" "start" "-a" "f899709aa7d22bb3e41a5985b20f5889289392b13fa15d0b8be34d0b68521300", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking poston v0.1.6
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking log4rs-fluentd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     encoder: Box<log4rs::encode::Encode>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:47:57
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn append(&self, record: &Record) -> Result<(), Box<Error + Sync + Send>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:68:43
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fluentd.rs:132:18
[INFO] [stdout]     |
[INFO] [stdout] 132 |     type Trait = log4rs::append::Append;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::append::Append`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fluentd.rs:135:126
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...rs) -> Result<Box<Self::Trait>, Box<Error + Sync + Send>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     encoder: Box<log4rs::encode::Encode>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:47:57
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn append(&self, record: &Record) -> Result<(), Box<Error + Sync + Send>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fluentd.rs:68:43
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::encode::Encode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fluentd.rs:132:18
[INFO] [stdout]     |
[INFO] [stdout] 132 |     type Trait = log4rs::append::Append;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn log4rs::append::Append`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fluentd.rs:135:126
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...rs) -> Result<Box<Self::Trait>, Box<Error + Sync + Send>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.17s
[INFO] running `Command { std: "docker" "inspect" "f899709aa7d22bb3e41a5985b20f5889289392b13fa15d0b8be34d0b68521300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f899709aa7d22bb3e41a5985b20f5889289392b13fa15d0b8be34d0b68521300", kill_on_drop: false }`
[INFO] [stdout] f899709aa7d22bb3e41a5985b20f5889289392b13fa15d0b8be34d0b68521300