Sep 20 02:46:57.635 INFO checking gluon_check-0.6.2 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 02:46:57.635 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 02:46:57.635 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:46:57.876 INFO blam! 561109f17deaf8ba426d68fdea340b214745b6d3878a1928221d6d04a1ae3c37
Sep 20 02:46:57.878 INFO running `"docker" "start" "-a" "561109f17deaf8ba426d68fdea340b214745b6d3878a1928221d6d04a1ae3c37"`
Sep 20 02:46:59.518 INFO kablam! usermod: no changes
Sep 20 02:46:59.682 INFO kablam!     Checking gluon_check v0.6.2 (/source)
Sep 20 02:47:01.189 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 20 02:47:01.189 INFO kablam!  --> src/lib.rs:9:1
Sep 20 02:47:01.189 INFO kablam!   |
Sep 20 02:47:01.189 INFO kablam! 9 | extern crate env_logger;
Sep 20 02:47:01.189 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 02:47:01.189 INFO kablam!   |
Sep 20 02:47:01.189 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 20 02:47:01.189 INFO kablam! 
Sep 20 02:47:01.191 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 20 02:47:01.191 INFO kablam!    --> src/unify_type.rs:864:17
Sep 20 02:47:01.191 INFO kablam!     |
Sep 20 02:47:01.191 INFO kablam! 864 |         let _ = ::env_logger::init();
Sep 20 02:47:01.191 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Sep 20 02:47:01.191 INFO kablam!     |
Sep 20 02:47:01.191 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 20 02:47:01.191 INFO kablam! 
Sep 20 02:47:01.191 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 20 02:47:01.191 INFO kablam!    --> src/unify_type.rs:895:17
Sep 20 02:47:01.191 INFO kablam!     |
Sep 20 02:47:01.191 INFO kablam! 895 |         let _ = ::env_logger::init();
Sep 20 02:47:01.191 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^
Sep 20 02:47:01.191 INFO kablam!     |
Sep 20 02:47:01.191 INFO kablam!     = help: add #![feature(rustc_private)] to the crate attributes to enable
Sep 20 02:47:01.191 INFO kablam! 
Sep 20 02:47:03.088 INFO kablam! error: aborting due to 3 previous errors
Sep 20 02:47:03.088 INFO kablam! 
Sep 20 02:47:03.088 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 20 02:47:03.103 INFO kablam! error: Could not compile `gluon_check`.
Sep 20 02:47:03.103 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 02:47:03.936 INFO kablam! error: build failed
Sep 20 02:47:03.938 INFO kablam! su: No module specific data is present
Sep 20 02:47:06.062 INFO running `"docker" "rm" "-f" "561109f17deaf8ba426d68fdea340b214745b6d3878a1928221d6d04a1ae3c37"`
Sep 20 02:47:06.172 INFO blam! 561109f17deaf8ba426d68fdea340b214745b6d3878a1928221d6d04a1ae3c37