Sep 21 06:48:09.449 INFO checking mtbl-0.2.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 06:48:09.449 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 06:48:09.449 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:48:09.615 INFO blam! 7575d049d4940f6282c04dcf9139c6d311ef0f5b4c36c9b2a5203e2ef6bb93d5
Sep 21 06:48:09.617 INFO running `"docker" "start" "-a" "7575d049d4940f6282c04dcf9139c6d311ef0f5b4c36c9b2a5203e2ef6bb93d5"`
Sep 21 06:48:10.629 INFO kablam! usermod: no changes
Sep 21 06:48:10.747 INFO kablam!     Checking mtbl-sys v0.2.0
Sep 21 06:48:11.083 INFO kablam!     Checking mtbl v0.2.1 (/source)
Sep 21 06:48:11.898 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 21 06:48:11.898 INFO kablam!  --> benches/lib.rs:4:1
Sep 21 06:48:11.898 INFO kablam!   |
Sep 21 06:48:11.898 INFO kablam! 4 | extern crate test;
Sep 21 06:48:11.898 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 21 06:48:11.898 INFO kablam!   |
Sep 21 06:48:11.898 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 21 06:48:11.898 INFO kablam! 
Sep 21 06:48:11.898 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 21 06:48:11.898 INFO kablam!  --> benches/lib.rs:8:5
Sep 21 06:48:11.898 INFO kablam!   |
Sep 21 06:48:11.898 INFO kablam! 8 | use test::Bencher;
Sep 21 06:48:11.898 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 21 06:48:11.898 INFO kablam!   |
Sep 21 06:48:11.898 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Sep 21 06:48:11.898 INFO kablam! 
Sep 21 06:48:11.898 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 21 06:48:11.898 INFO kablam!   --> benches/lib.rs:11:26
Sep 21 06:48:11.898 INFO kablam!    |
Sep 21 06:48:11.898 INFO kablam! 11 | fn bench_get(bench: &mut Bencher) {
Sep 21 06:48:11.898 INFO kablam!    |                          ^^^^^^^
Sep 21 06:48:11.898 INFO kablam!    |
Sep 21 06:48:11.898 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 21 06:48:11.898 INFO kablam! 
Sep 21 06:48:11.934 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Sep 21 06:48:11.934 INFO kablam!   --> benches/lib.rs:25:11
Sep 21 06:48:11.934 INFO kablam!    |
Sep 21 06:48:11.934 INFO kablam! 25 |     bench.iter(|| reader.get(format!("{:09}", range_gen.ind_sample(&mut rng))));
Sep 21 06:48:11.934 INFO kablam!    |           ^^^^
Sep 21 06:48:11.934 INFO kablam!    |
Sep 21 06:48:11.934 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Sep 21 06:48:11.934 INFO kablam! 
Sep 21 06:48:11.950 INFO kablam! error: aborting due to 4 previous errors
Sep 21 06:48:11.950 INFO kablam! 
Sep 21 06:48:11.950 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 21 06:48:11.950 INFO kablam! error: Could not compile `mtbl`.
Sep 21 06:48:11.950 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 06:48:12.112 INFO kablam! error: build failed
Sep 21 06:48:12.114 INFO kablam! su: No module specific data is present
Sep 21 06:48:12.707 INFO running `"docker" "rm" "-f" "7575d049d4940f6282c04dcf9139c6d311ef0f5b4c36c9b2a5203e2ef6bb93d5"`
Sep 21 06:48:12.815 INFO blam! 7575d049d4940f6282c04dcf9139c6d311ef0f5b4c36c9b2a5203e2ef6bb93d5