Sep 19 23:57:37.544 INFO checking mtbl-0.2.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 23:57:37.544 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 23:57:37.544 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:57:37.682 INFO blam! 9634905bc7b5a7c9ee6248a4e40d35c498d125878685a796023ac6a926f47bb2
Sep 19 23:57:37.684 INFO running `"docker" "start" "-a" "9634905bc7b5a7c9ee6248a4e40d35c498d125878685a796023ac6a926f47bb2"`
Sep 19 23:57:38.646 INFO kablam! usermod: no changes
Sep 19 23:57:38.740 INFO kablam!     Checking mtbl-sys v0.2.0
Sep 19 23:57:38.754 INFO kablam!    Compiling lz4 v1.23.0
Sep 19 23:57:39.017 INFO kablam!     Checking mtbl v0.2.1 (/source)
Sep 19 23:57:41.426 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 19 23:57:41.426 INFO kablam!  --> benches/lib.rs:4:1
Sep 19 23:57:41.426 INFO kablam!   |
Sep 19 23:57:41.426 INFO kablam! 4 | extern crate test;
Sep 19 23:57:41.426 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 19 23:57:41.426 INFO kablam!   |
Sep 19 23:57:41.426 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 19 23:57:41.426 INFO kablam! 
Sep 19 23:57:41.426 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 19 23:57:41.426 INFO kablam!  --> benches/lib.rs:8:5
Sep 19 23:57:41.426 INFO kablam!   |
Sep 19 23:57:41.426 INFO kablam! 8 | use test::Bencher;
Sep 19 23:57:41.426 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 19 23:57:41.426 INFO kablam!   |
Sep 19 23:57:41.426 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 19 23:57:41.426 INFO kablam! 
Sep 19 23:57:41.426 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 19 23:57:41.426 INFO kablam!   --> benches/lib.rs:11:26
Sep 19 23:57:41.426 INFO kablam!    |
Sep 19 23:57:41.426 INFO kablam! 11 | fn bench_get(bench: &mut Bencher) {
Sep 19 23:57:41.426 INFO kablam!    |                          ^^^^^^^
Sep 19 23:57:41.426 INFO kablam!    |
Sep 19 23:57:41.426 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 19 23:57:41.426 INFO kablam! 
Sep 19 23:57:41.468 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 19 23:57:41.468 INFO kablam!   --> benches/lib.rs:25:11
Sep 19 23:57:41.468 INFO kablam!    |
Sep 19 23:57:41.469 INFO kablam! 25 |     bench.iter(|| reader.get(format!("{:09}", range_gen.ind_sample(&mut rng))));
Sep 19 23:57:41.469 INFO kablam!    |           ^^^^
Sep 19 23:57:41.469 INFO kablam!    |
Sep 19 23:57:41.469 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 19 23:57:41.469 INFO kablam! 
Sep 19 23:57:41.478 INFO kablam! error: aborting due to 4 previous errors
Sep 19 23:57:41.478 INFO kablam! 
Sep 19 23:57:41.478 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 19 23:57:41.485 INFO kablam! error: Could not compile `mtbl`.
Sep 19 23:57:41.485 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:57:42.016 INFO kablam! error: build failed
Sep 19 23:57:42.023 INFO kablam! su: No module specific data is present
Sep 19 23:57:43.305 INFO running `"docker" "rm" "-f" "9634905bc7b5a7c9ee6248a4e40d35c498d125878685a796023ac6a926f47bb2"`
Sep 19 23:57:43.390 INFO blam! 9634905bc7b5a7c9ee6248a4e40d35c498d125878685a796023ac6a926f47bb2