Sep 01 19:21:17.831 INFO checking gluon_check-0.6.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 19:21:17.831 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 19:21:17.831 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 19:21:18.004 INFO blam! 9852ca7c7fb8653820c4991d8cf32db8c2ff7793a1c605acffc5407bf784bd84
Sep 01 19:21:18.004 INFO running `"docker" "start" "-a" "9852ca7c7fb8653820c4991d8cf32db8c2ff7793a1c605acffc5407bf784bd84"`
Sep 01 19:21:18.744 INFO kablam!     Checking pretty v0.3.3
Sep 01 19:21:19.961 INFO kablam!     Checking gluon_base v0.6.2
Sep 01 19:21:23.098 INFO kablam!     Checking gluon_check v0.6.2 (file:///source)
Sep 01 19:21:24.881 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)
Sep 01 19:21:24.882 INFO kablam!  --> src/lib.rs:9:1
Sep 01 19:21:24.882 INFO kablam!   |
Sep 01 19:21:24.882 INFO kablam! 9 | extern crate env_logger;
Sep 01 19:21:24.882 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 19:21:24.882 INFO kablam!   |
Sep 01 19:21:24.882 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 01 19:21:24.882 INFO kablam! 
Sep 01 19:21:24.883 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)
Sep 01 19:21:24.883 INFO kablam!    --> src/unify_type.rs:864:17
Sep 01 19:21:24.883 INFO kablam!     |
Sep 01 19:21:24.883 INFO kablam! 864 |         let _ = ::env_logger::init();
Sep 01 19:21:24.884 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Sep 01 19:21:24.884 INFO kablam!     |
Sep 01 19:21:24.884 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 01 19:21:24.884 INFO kablam! 
Sep 01 19:21:24.884 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)
Sep 01 19:21:24.884 INFO kablam!    --> src/unify_type.rs:895:17
Sep 01 19:21:24.884 INFO kablam!     |
Sep 01 19:21:24.884 INFO kablam! 895 |         let _ = ::env_logger::init();
Sep 01 19:21:24.884 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Sep 01 19:21:24.884 INFO kablam!     |
Sep 01 19:21:24.884 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 01 19:21:24.884 INFO kablam! 
Sep 01 19:21:26.436 INFO kablam! error: aborting due to 3 previous errors
Sep 01 19:21:26.436 INFO kablam! 
Sep 01 19:21:26.436 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 19:21:26.445 INFO kablam! error: Could not compile `gluon_check`.
Sep 01 19:21:26.445 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 19:21:26.867 INFO kablam! error: build failed
Sep 01 19:21:26.869 INFO kablam! su: No module specific data is present
Sep 01 19:21:27.390 INFO running `"docker" "rm" "-f" "9852ca7c7fb8653820c4991d8cf32db8c2ff7793a1c605acffc5407bf784bd84"`
Sep 01 19:21:27.483 INFO blam! 9852ca7c7fb8653820c4991d8cf32db8c2ff7793a1c605acffc5407bf784bd84