[INFO] fetching crate difxapi-sys 0.0.1...
[INFO] testing difxapi-sys-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate difxapi-sys 0.0.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate difxapi-sys 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate difxapi-sys 0.0.1
[INFO] finished tweaking crates.io crate difxapi-sys 0.0.1
[INFO] tweaked toml for crates.io crate difxapi-sys 0.0.1 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f66924dee74fe79e5618e1165a8a06719873c41344aa26e5e61b615f306e4b3
[INFO] running `Command { std: "docker" "start" "-a" "7f66924dee74fe79e5618e1165a8a06719873c41344aa26e5e61b615f306e4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f66924dee74fe79e5618e1165a8a06719873c41344aa26e5e61b615f306e4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f66924dee74fe79e5618e1165a8a06719873c41344aa26e5e61b615f306e4b3", kill_on_drop: false }`
[INFO] [stdout] 7f66924dee74fe79e5618e1165a8a06719873c41344aa26e5e61b615f306e4b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b52d40c8b3cc90a41ac35c11f7fea3d75cb96542cfa1b193a992912563c0ce3c
[INFO] running `Command { std: "docker" "start" "-a" "b52d40c8b3cc90a41ac35c11f7fea3d75cb96542cfa1b193a992912563c0ce3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling difxapi-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 `difxapi-sys` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b52d40c8b3cc90a41ac35c11f7fea3d75cb96542cfa1b193a992912563c0ce3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52d40c8b3cc90a41ac35c11f7fea3d75cb96542cfa1b193a992912563c0ce3c", kill_on_drop: false }`
[INFO] [stdout] b52d40c8b3cc90a41ac35c11f7fea3d75cb96542cfa1b193a992912563c0ce3c