Sep 06 03:35:06.045 INFO checking mtbl-0.2.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:35:06.046 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:35:06.046 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:35:06.255 INFO blam! 544398de6faac4696379aad10d0a6793209c0ce5eed8cd34c8c7426d4ce796cd
Sep 06 03:35:06.257 INFO running `"docker" "start" "-a" "544398de6faac4696379aad10d0a6793209c0ce5eed8cd34c8c7426d4ce796cd"`
Sep 06 03:35:07.079 INFO kablam! usermod: no changes
Sep 06 03:35:07.142 INFO kablam!     Checking mtbl-sys v0.2.0
Sep 06 03:35:07.416 INFO kablam!     Checking mtbl v0.2.1 (file:///source)
Sep 06 03:35:08.326 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 06 03:35:08.326 INFO kablam!  --> benches/lib.rs:4:1
Sep 06 03:35:08.326 INFO kablam!   |
Sep 06 03:35:08.326 INFO kablam! 4 | extern crate test;
Sep 06 03:35:08.326 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 06 03:35:08.326 INFO kablam!   |
Sep 06 03:35:08.326 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 06 03:35:08.326 INFO kablam! 
Sep 06 03:35:08.326 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 06 03:35:08.326 INFO kablam!  --> benches/lib.rs:8:5
Sep 06 03:35:08.326 INFO kablam!   |
Sep 06 03:35:08.326 INFO kablam! 8 | use test::Bencher;
Sep 06 03:35:08.326 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 06 03:35:08.327 INFO kablam!   |
Sep 06 03:35:08.327 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 06 03:35:08.327 INFO kablam! 
Sep 06 03:35:08.327 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 06 03:35:08.327 INFO kablam!   --> benches/lib.rs:11:26
Sep 06 03:35:08.327 INFO kablam!    |
Sep 06 03:35:08.327 INFO kablam! 11 | fn bench_get(bench: &mut Bencher) {
Sep 06 03:35:08.327 INFO kablam!    |                          ^^^^^^^
Sep 06 03:35:08.327 INFO kablam!    |
Sep 06 03:35:08.327 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 06 03:35:08.327 INFO kablam! 
Sep 06 03:35:08.386 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 06 03:35:08.386 INFO kablam!   --> benches/lib.rs:25:11
Sep 06 03:35:08.386 INFO kablam!    |
Sep 06 03:35:08.386 INFO kablam! 25 |     bench.iter(|| reader.get(format!("{:09}", range_gen.ind_sample(&mut rng))));
Sep 06 03:35:08.386 INFO kablam!    |           ^^^^
Sep 06 03:35:08.386 INFO kablam!    |
Sep 06 03:35:08.386 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 06 03:35:08.386 INFO kablam! 
Sep 06 03:35:08.393 INFO kablam! error: aborting due to 4 previous errors
Sep 06 03:35:08.393 INFO kablam! 
Sep 06 03:35:08.393 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 06 03:35:08.405 INFO kablam! error: Could not compile `mtbl`.
Sep 06 03:35:08.405 INFO kablam! 
Sep 06 03:35:08.405 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 03:35:08.405 INFO kablam! su: No module specific data is present
Sep 06 03:35:09.048 INFO running `"docker" "rm" "-f" "544398de6faac4696379aad10d0a6793209c0ce5eed8cd34c8c7426d4ce796cd"`
Sep 06 03:35:09.114 INFO blam! 544398de6faac4696379aad10d0a6793209c0ce5eed8cd34c8c7426d4ce796cd