[INFO] crate webservices-sys 0.0.1 is already in cache [INFO] extracting crate webservices-sys 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/webservices-sys/0.0.1 [INFO] extracting crate webservices-sys 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webservices-sys/0.0.1 [INFO] validating manifest of webservices-sys-0.0.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of webservices-sys-0.0.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing webservices-sys-0.0.1 [INFO] finished frobbing webservices-sys-0.0.1 [INFO] frobbed toml for webservices-sys-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/webservices-sys/0.0.1/Cargo.toml [INFO] started frobbing webservices-sys-0.0.1 [INFO] finished frobbing webservices-sys-0.0.1 [INFO] frobbed toml for webservices-sys-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webservices-sys/0.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing webservices-sys-0.0.1 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/webservices-sys/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] fdccf84eec03d6eaa28f53e39796352b1d6d33244c8f6f8dc9414fbf4b421ea1 [INFO] running `"docker" "start" "-a" "fdccf84eec03d6eaa28f53e39796352b1d6d33244c8f6f8dc9414fbf4b421ea1"` [INFO] [stderr] Compiling webservices-sys v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #![experimental] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/54726 [INFO] [stderr] [INFO] [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future [INFO] [stderr] --> src/lib.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | #![experimental] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/29642 [INFO] [stderr] [INFO] [stderr] warning: unused import: `winapi::*` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use winapi::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] error: Could not compile `webservices-sys`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "fdccf84eec03d6eaa28f53e39796352b1d6d33244c8f6f8dc9414fbf4b421ea1"` [INFO] running `"docker" "rm" "-f" "fdccf84eec03d6eaa28f53e39796352b1d6d33244c8f6f8dc9414fbf4b421ea1"` [INFO] [stdout] fdccf84eec03d6eaa28f53e39796352b1d6d33244c8f6f8dc9414fbf4b421ea1