Aug 11 13:13:24.802 INFO checking gluon_check-0.6.2 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 13:13:24.802 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 13:13:24.802 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 13:13:24.802 INFO running `"docker" "create" "-v" "/tmp/crater.ssvVypqT3GEW:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 13:13:25.034 INFO blam! c9fd14f89370a73f331c36d01266b0d3dd6770623982982d6de39a41d86f2aeb
Aug 11 13:13:25.037 INFO running `"docker" "start" "-a" "c9fd14f89370a73f331c36d01266b0d3dd6770623982982d6de39a41d86f2aeb"`
Aug 11 13:13:25.993 INFO kablam!     Checking collect-mac v0.1.0
Aug 11 13:13:25.993 INFO kablam!     Checking union-find v0.3.2
Aug 11 13:13:25.997 INFO kablam!     Checking pretty v0.3.3
Aug 11 13:13:25.997 INFO kablam!     Checking pretty_assertions v0.3.4
Aug 11 13:13:29.134 INFO kablam!     Checking gluon_base v0.6.2
Aug 11 13:13:34.615 INFO kablam!     Checking gluon_check v0.6.2 (file:///source)
Aug 11 13:13:36.837 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 11 13:13:36.838 INFO kablam!  --> src/lib.rs:9:1
Aug 11 13:13:36.838 INFO kablam!   |
Aug 11 13:13:36.838 INFO kablam! 9 | extern crate env_logger;
Aug 11 13:13:36.838 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 13:13:36.838 INFO kablam!   |
Aug 11 13:13:36.838 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 11 13:13:36.838 INFO kablam! 
Aug 11 13:13:36.840 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 11 13:13:36.840 INFO kablam!    --> src/unify_type.rs:864:17
Aug 11 13:13:36.840 INFO kablam!     |
Aug 11 13:13:36.840 INFO kablam! 864 |         let _ = ::env_logger::init();
Aug 11 13:13:36.840 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Aug 11 13:13:36.840 INFO kablam!     |
Aug 11 13:13:36.841 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 11 13:13:36.841 INFO kablam! 
Aug 11 13:13:36.842 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 11 13:13:36.842 INFO kablam!    --> src/unify_type.rs:895:17
Aug 11 13:13:36.842 INFO kablam!     |
Aug 11 13:13:36.842 INFO kablam! 895 |         let _ = ::env_logger::init();
Aug 11 13:13:36.842 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Aug 11 13:13:36.842 INFO kablam!     |
Aug 11 13:13:36.843 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 11 13:13:36.843 INFO kablam! 
Aug 11 13:13:40.702 INFO kablam! error: aborting due to 3 previous errors
Aug 11 13:13:40.708 INFO kablam! 
Aug 11 13:13:40.709 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 11 13:13:40.717 INFO kablam! error: Could not compile `gluon_check`.
Aug 11 13:13:40.717 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 13:13:42.329 INFO kablam! error: build failed
Aug 11 13:13:42.332 INFO kablam! su: No module specific data is present
Aug 11 13:13:42.939 INFO running `"docker" "rm" "-f" "c9fd14f89370a73f331c36d01266b0d3dd6770623982982d6de39a41d86f2aeb"`
Aug 11 13:13:43.098 INFO blam! c9fd14f89370a73f331c36d01266b0d3dd6770623982982d6de39a41d86f2aeb