[INFO] cloning repository https://github.com/chmp/serde_arrow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chmp/serde_arrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchmp%2Fserde_arrow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchmp%2Fserde_arrow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13e41afefc7e2749f1aadbf1f23276e8e9ceb933
[INFO] checking chmp/serde_arrow against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchmp%2Fserde_arrow" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chmp/serde_arrow
[INFO] finished tweaking git repo https://github.com/chmp/serde_arrow
[INFO] tweaked toml for git repo https://github.com/chmp/serde_arrow written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chmp/serde_arrow on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/array_builder.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/deserializer.rs:532:11
[INFO] [stdout]     |
[INFO] [stdout] 532 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/error.rs:354:11
[INFO] [stdout]     |
[INFO] [stdout] 354 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/schema/mod.rs:552:11
[INFO] [stdout]     |
[INFO] [stdout] 552 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]   --> serde_arrow/src/internal/schema/extensions/mod.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/serializer.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 286 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking example v0.1.0 (/opt/rustwide/workdir/example)
[INFO] [stderr]     Checking integration_tests v0.1.0 (/opt/rustwide/workdir/integration_tests)
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/array_builder.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/deserializer.rs:532:11
[INFO] [stdout]     |
[INFO] [stdout] 532 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/error.rs:354:11
[INFO] [stdout]     |
[INFO] [stdout] 354 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/schema/mod.rs:552:11
[INFO] [stdout]     |
[INFO] [stdout] 552 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]   --> serde_arrow/src/internal/schema/extensions/mod.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]    --> serde_arrow/src/internal/serializer.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 286 |     trait AssertSendSync: Send + Sync {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ArrayAccess` is never used
[INFO] [stdout]   --> serde_arrow/src/internal/testing.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) trait ArrayAccess {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_utf8_impl` is never used
[INFO] [stdout]   --> serde_arrow/src/internal/testing.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn get_utf8_impl<O>(array: &BytesArray<O>, idx: usize) -> Result<Option<&str>>
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.36s
[INFO] running `Command { std: "docker" "inspect" "effe3e4445acb91a4fe14894eb696e4c6976976da6f56f77f263b62e6b1cabad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effe3e4445acb91a4fe14894eb696e4c6976976da6f56f77f263b62e6b1cabad", kill_on_drop: false }`
[INFO] [stdout] effe3e4445acb91a4fe14894eb696e4c6976976da6f56f77f263b62e6b1cabad