Sep 01 13:32:37.529 INFO checking mtbl-0.2.1 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 13:32:37.529 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 13:32:37.529 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:32:37.690 INFO blam! 9e0fb23a1e6088bdd123064450b43ec62c3b801207f891b5493252af22b6ee95
Sep 01 13:32:37.692 INFO running `"docker" "start" "-a" "9e0fb23a1e6088bdd123064450b43ec62c3b801207f891b5493252af22b6ee95"`
Sep 01 13:32:38.445 INFO kablam!     Checking mtbl-sys v0.2.0
Sep 01 13:32:38.912 INFO kablam!     Checking mtbl v0.2.1 (file:///source)
Sep 01 13:32:40.126 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.126 INFO kablam!  --> benches/lib.rs:4:1
Sep 01 13:32:40.126 INFO kablam!   |
Sep 01 13:32:40.126 INFO kablam! 4 | extern crate test;
Sep 01 13:32:40.126 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 01 13:32:40.126 INFO kablam!   |
Sep 01 13:32:40.126 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.126 INFO kablam! 
Sep 01 13:32:40.126 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.126 INFO kablam!  --> benches/lib.rs:8:5
Sep 01 13:32:40.126 INFO kablam!   |
Sep 01 13:32:40.126 INFO kablam! 8 | use test::Bencher;
Sep 01 13:32:40.127 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 01 13:32:40.127 INFO kablam!   |
Sep 01 13:32:40.127 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.127 INFO kablam! 
Sep 01 13:32:40.127 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.127 INFO kablam!   --> benches/lib.rs:11:26
Sep 01 13:32:40.127 INFO kablam!    |
Sep 01 13:32:40.127 INFO kablam! 11 | fn bench_get(bench: &mut Bencher) {
Sep 01 13:32:40.127 INFO kablam!    |                          ^^^^^^^
Sep 01 13:32:40.127 INFO kablam!    |
Sep 01 13:32:40.127 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.127 INFO kablam! 
Sep 01 13:32:40.203 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.203 INFO kablam!   --> benches/lib.rs:25:11
Sep 01 13:32:40.203 INFO kablam!    |
Sep 01 13:32:40.203 INFO kablam! 25 |     bench.iter(|| reader.get(format!("{:09}", range_gen.ind_sample(&mut rng))));
Sep 01 13:32:40.203 INFO kablam!    |           ^^^^
Sep 01 13:32:40.203 INFO kablam!    |
Sep 01 13:32:40.203 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.203 INFO kablam! 
Sep 01 13:32:40.216 INFO kablam! error: aborting due to 4 previous errors
Sep 01 13:32:40.216 INFO kablam! 
Sep 01 13:32:40.216 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 13:32:40.222 INFO kablam! error: Could not compile `mtbl`.
Sep 01 13:32:40.222 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 13:32:40.383 INFO kablam! error: build failed
Sep 01 13:32:40.385 INFO kablam! su: No module specific data is present
Sep 01 13:32:41.029 INFO running `"docker" "rm" "-f" "9e0fb23a1e6088bdd123064450b43ec62c3b801207f891b5493252af22b6ee95"`
Sep 01 13:32:41.123 INFO blam! 9e0fb23a1e6088bdd123064450b43ec62c3b801207f891b5493252af22b6ee95