Sep 04 16:16:34.711 INFO checking gluon_check-0.6.2 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 16:16:34.711 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 16:16:34.712 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 16:16:34.925 INFO blam! 510bd00830d1236944c74d811f07c8c20b34d50a07550de9b0686fa2b4ff76f9
Sep 04 16:16:34.927 INFO running `"docker" "start" "-a" "510bd00830d1236944c74d811f07c8c20b34d50a07550de9b0686fa2b4ff76f9"`
Sep 04 16:16:35.672 INFO kablam!     Checking pretty v0.3.3
Sep 04 16:16:37.099 INFO kablam!     Checking gluon_base v0.6.2
Sep 04 16:16:41.512 INFO kablam!     Checking gluon_check v0.6.2 (file:///source)
Sep 04 16:16:43.615 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 04 16:16:43.615 INFO kablam!  --> src/lib.rs:9:1
Sep 04 16:16:43.615 INFO kablam!   |
Sep 04 16:16:43.615 INFO kablam! 9 | extern crate env_logger;
Sep 04 16:16:43.615 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 16:16:43.615 INFO kablam!   |
Sep 04 16:16:43.615 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 04 16:16:43.615 INFO kablam! 
Sep 04 16:16:43.617 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 04 16:16:43.617 INFO kablam!    --> src/unify_type.rs:864:17
Sep 04 16:16:43.617 INFO kablam!     |
Sep 04 16:16:43.617 INFO kablam! 864 |         let _ = ::env_logger::init();
Sep 04 16:16:43.617 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Sep 04 16:16:43.617 INFO kablam!     |
Sep 04 16:16:43.617 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 04 16:16:43.617 INFO kablam! 
Sep 04 16:16:43.618 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 04 16:16:43.618 INFO kablam!    --> src/unify_type.rs:895:17
Sep 04 16:16:43.618 INFO kablam!     |
Sep 04 16:16:43.618 INFO kablam! 895 |         let _ = ::env_logger::init();
Sep 04 16:16:43.618 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Sep 04 16:16:43.618 INFO kablam!     |
Sep 04 16:16:43.618 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 04 16:16:43.618 INFO kablam! 
Sep 04 16:16:45.969 INFO kablam! error: aborting due to 3 previous errors
Sep 04 16:16:45.969 INFO kablam! 
Sep 04 16:16:45.969 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 16:16:45.978 INFO kablam! error: Could not compile `gluon_check`.
Sep 04 16:16:45.978 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 16:16:46.544 INFO kablam! error: build failed
Sep 04 16:16:46.545 INFO kablam! su: No module specific data is present
Sep 04 16:16:46.906 INFO running `"docker" "rm" "-f" "510bd00830d1236944c74d811f07c8c20b34d50a07550de9b0686fa2b4ff76f9"`
Sep 04 16:16:47.000 INFO blam! 510bd00830d1236944c74d811f07c8c20b34d50a07550de9b0686fa2b4ff76f9