[INFO] fetching crate ntex-bytes 0.1.4...
[INFO] checking ntex-bytes-0.1.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate ntex-bytes 0.1.4 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate ntex-bytes 0.1.4 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ntex-bytes 0.1.4
[INFO] finished tweaking crates.io crate ntex-bytes 0.1.4
[INFO] tweaked toml for crates.io crate ntex-bytes 0.1.4 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e48e352e5a5e7ca3e4e95cba1c20b8a78f4fd2478eb792a2524326af8103e75
[INFO] running `Command { std: "docker" "start" "-a" "6e48e352e5a5e7ca3e4e95cba1c20b8a78f4fd2478eb792a2524326af8103e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e48e352e5a5e7ca3e4e95cba1c20b8a78f4fd2478eb792a2524326af8103e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e48e352e5a5e7ca3e4e95cba1c20b8a78f4fd2478eb792a2524326af8103e75", kill_on_drop: false }`
[INFO] [stdout] 6e48e352e5a5e7ca3e4e95cba1c20b8a78f4fd2478eb792a2524326af8103e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcad89cfb67e0cb0db6f05b9fbaa56cdc487028304c6ef70e53924f18eb93bac
[INFO] running `Command { std: "docker" "start" "-a" "dcad89cfb67e0cb0db6f05b9fbaa56cdc487028304c6ef70e53924f18eb93bac", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking serde_test v1.0.130
[INFO] [stderr]     Checking ntex-bytes v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused attribute
[INFO] [stdout]     --> src/bytes.rs:1537:5
[INFO] [stdout]      |
[INFO] [stdout] 1537 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:54:5
[INFO] [stdout]      |
[INFO] [stdout] 54   |     warnings,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      = note: `#[deny(unused_attributes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]     --> src/bytes.rs:1487:5
[INFO] [stdout]      |
[INFO] [stdout] 1487 |     #[inline]
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `core::str::<impl str>::split_at` that must be used
[INFO] [stdout]   --> src/string.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         self.split_at(at);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ntex-bytes` due to 4 previous errors
[INFO] [stdout] error: unused return value of `core::str::<impl str>::split_at` that must be used
[INFO] [stdout]    --> src/string.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.split_at(at);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dcad89cfb67e0cb0db6f05b9fbaa56cdc487028304c6ef70e53924f18eb93bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcad89cfb67e0cb0db6f05b9fbaa56cdc487028304c6ef70e53924f18eb93bac", kill_on_drop: false }`
[INFO] [stdout] dcad89cfb67e0cb0db6f05b9fbaa56cdc487028304c6ef70e53924f18eb93bac