Sep 01 13:32:37.844 INFO checking mtbl-0.2.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 13:32:37.844 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 13:32:37.844 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:32:37.982 INFO blam! 13ce7e0949de21bb8fe7cb104ef28e8205dda2e764bf9c65017d2da498bde009
Sep 01 13:32:37.986 INFO running `"docker" "start" "-a" "13ce7e0949de21bb8fe7cb104ef28e8205dda2e764bf9c65017d2da498bde009"`
Sep 01 13:32:38.934 INFO kablam!     Checking mtbl-sys v0.2.0
Sep 01 13:32:39.362 INFO kablam!     Checking mtbl v0.2.1 (file:///source)
Sep 01 13:32:40.667 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.667 INFO kablam!  --> benches/lib.rs:4:1
Sep 01 13:32:40.667 INFO kablam!   |
Sep 01 13:32:40.667 INFO kablam! 4 | extern crate test;
Sep 01 13:32:40.667 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 01 13:32:40.667 INFO kablam!   |
Sep 01 13:32:40.667 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.667 INFO kablam! 
Sep 01 13:32:40.667 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.667 INFO kablam!  --> benches/lib.rs:8:5
Sep 01 13:32:40.667 INFO kablam!   |
Sep 01 13:32:40.667 INFO kablam! 8 | use test::Bencher;
Sep 01 13:32:40.667 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 01 13:32:40.667 INFO kablam!   |
Sep 01 13:32:40.668 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.668 INFO kablam! 
Sep 01 13:32:40.668 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.668 INFO kablam!   --> benches/lib.rs:11:26
Sep 01 13:32:40.668 INFO kablam!    |
Sep 01 13:32:40.668 INFO kablam! 11 | fn bench_get(bench: &mut Bencher) {
Sep 01 13:32:40.668 INFO kablam!    |                          ^^^^^^^
Sep 01 13:32:40.668 INFO kablam!    |
Sep 01 13:32:40.668 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.668 INFO kablam! 
Sep 01 13:32:40.723 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 01 13:32:40.723 INFO kablam!   --> benches/lib.rs:25:11
Sep 01 13:32:40.723 INFO kablam!    |
Sep 01 13:32:40.724 INFO kablam! 25 |     bench.iter(|| reader.get(format!("{:09}", range_gen.ind_sample(&mut rng))));
Sep 01 13:32:40.724 INFO kablam!    |           ^^^^
Sep 01 13:32:40.724 INFO kablam!    |
Sep 01 13:32:40.724 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 01 13:32:40.724 INFO kablam! 
Sep 01 13:32:40.736 INFO kablam! error: aborting due to 4 previous errors
Sep 01 13:32:40.736 INFO kablam! 
Sep 01 13:32:40.737 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 13:32:40.742 INFO kablam! error: Could not compile `mtbl`.
Sep 01 13:32:40.742 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 13:32:40.897 INFO kablam! error: build failed
Sep 01 13:32:40.898 INFO kablam! su: No module specific data is present
Sep 01 13:32:41.424 INFO running `"docker" "rm" "-f" "13ce7e0949de21bb8fe7cb104ef28e8205dda2e764bf9c65017d2da498bde009"`
Sep 01 13:32:41.536 INFO blam! 13ce7e0949de21bb8fe7cb104ef28e8205dda2e764bf9c65017d2da498bde009