[INFO] fetching crate mqrt-sys 0.0.1...
[INFO] testing mqrt-sys-0.0.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mqrt-sys 0.0.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate mqrt-sys 0.0.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqrt-sys 0.0.1
[INFO] finished tweaking crates.io crate mqrt-sys 0.0.1
[INFO] tweaked toml for crates.io crate mqrt-sys 0.0.1 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e4cb9c291ade12246a2484c2ca242ded09b7b2d3c8eca9cecbc8a6926eaafd
[INFO] running `Command { std: "docker" "start" "-a" "f3e4cb9c291ade12246a2484c2ca242ded09b7b2d3c8eca9cecbc8a6926eaafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e4cb9c291ade12246a2484c2ca242ded09b7b2d3c8eca9cecbc8a6926eaafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e4cb9c291ade12246a2484c2ca242ded09b7b2d3c8eca9cecbc8a6926eaafd", kill_on_drop: false }`
[INFO] [stdout] f3e4cb9c291ade12246a2484c2ca242ded09b7b2d3c8eca9cecbc8a6926eaafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 301408f3ea59036a0f8c93f2454f73692576b84aa0840c3f1d4e03dd6f3542ea
[INFO] running `Command { std: "docker" "start" "-a" "301408f3ea59036a0f8c93f2454f73692576b84aa0840c3f1d4e03dd6f3542ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqrt-sys v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winapi::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use winapi::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqrt-sys` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "301408f3ea59036a0f8c93f2454f73692576b84aa0840c3f1d4e03dd6f3542ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301408f3ea59036a0f8c93f2454f73692576b84aa0840c3f1d4e03dd6f3542ea", kill_on_drop: false }`
[INFO] [stdout] 301408f3ea59036a0f8c93f2454f73692576b84aa0840c3f1d4e03dd6f3542ea