[INFO] fetching crate zio-sendfile 0.2.0...
[INFO] checking zio-sendfile-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate zio-sendfile 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zio-sendfile 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zio-sendfile 0.2.0
[INFO] finished tweaking crates.io crate zio-sendfile 0.2.0
[INFO] tweaked toml for crates.io crate zio-sendfile 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea576db58f29ca8a72c85ee3a2269c13e5fda2346df2df1e82a22592aa6c19b8
[INFO] running `Command { std: "docker" "start" "-a" "ea576db58f29ca8a72c85ee3a2269c13e5fda2346df2df1e82a22592aa6c19b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea576db58f29ca8a72c85ee3a2269c13e5fda2346df2df1e82a22592aa6c19b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea576db58f29ca8a72c85ee3a2269c13e5fda2346df2df1e82a22592aa6c19b8", kill_on_drop: false }`
[INFO] [stdout] ea576db58f29ca8a72c85ee3a2269c13e5fda2346df2df1e82a22592aa6c19b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c400155ecf90cfd9593e7cc49fff8bd7394fc4c71c7136028f047bd32ac099c3
[INFO] running `Command { std: "docker" "start" "-a" "c400155ecf90cfd9593e7cc49fff8bd7394fc4c71c7136028f047bd32ac099c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking zio-sendfile v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `wrote`
[INFO] [stdout]   --> examples/cp.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |         |sf, wrote| {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_wrote`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c400155ecf90cfd9593e7cc49fff8bd7394fc4c71c7136028f047bd32ac099c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c400155ecf90cfd9593e7cc49fff8bd7394fc4c71c7136028f047bd32ac099c3", kill_on_drop: false }`
[INFO] [stdout] c400155ecf90cfd9593e7cc49fff8bd7394fc4c71c7136028f047bd32ac099c3