Jul 12 03:53:31.397 INFO checking mtbl-0.2.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 03:53:31.397 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 03:53:31.397 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 03:53:31.397 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 03:53:31.618 INFO blam! 2070c356ae28ddf6756aa446f1dc14cf454a5e1e1f85eb9dedac6da46742143a
Jul 12 03:53:31.621 INFO running `"docker" "start" "-a" "2070c356ae28ddf6756aa446f1dc14cf454a5e1e1f85eb9dedac6da46742143a"`
Jul 12 03:53:32.821 INFO kablam!    Compiling lz4-sys v1.8.0
Jul 12 03:53:32.831 INFO kablam!     Checking mtbl-sys v0.2.0
Jul 12 03:53:32.831 INFO kablam!    Compiling pulldown-cmark v0.0.8
Jul 12 03:53:34.268 INFO kablam!     Checking mtbl v0.2.1 (file:///source)
Jul 12 03:53:41.353 INFO kablam!    Compiling skeptic v0.9.0
Jul 12 03:53:43.662 INFO kablam!    Compiling lz4 v1.22.0
Jul 12 03:53:51.143 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Jul 12 03:53:51.143 INFO kablam!  --> benches/lib.rs:4:1
Jul 12 03:53:51.143 INFO kablam!   |
Jul 12 03:53:51.143 INFO kablam! 4 | extern crate test;
Jul 12 03:53:51.143 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Jul 12 03:53:51.143 INFO kablam!   |
Jul 12 03:53:51.144 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Jul 12 03:53:51.144 INFO kablam! 
Jul 12 03:53:51.144 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Jul 12 03:53:51.144 INFO kablam!  --> benches/lib.rs:8:5
Jul 12 03:53:51.144 INFO kablam!   |
Jul 12 03:53:51.144 INFO kablam! 8 | use test::Bencher;
Jul 12 03:53:51.144 INFO kablam!   |     ^^^^^^^^^^^^^
Jul 12 03:53:51.145 INFO kablam!   |
Jul 12 03:53:51.145 INFO kablam!   = help: add #![feature(test)] to the crate attributes to enable
Jul 12 03:53:51.145 INFO kablam! 
Jul 12 03:53:51.146 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Jul 12 03:53:51.146 INFO kablam!   --> benches/lib.rs:11:26
Jul 12 03:53:51.146 INFO kablam!    |
Jul 12 03:53:51.146 INFO kablam! 11 | fn bench_get(bench: &mut Bencher) {
Jul 12 03:53:51.146 INFO kablam!    |                          ^^^^^^^
Jul 12 03:53:51.146 INFO kablam!    |
Jul 12 03:53:51.147 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Jul 12 03:53:51.147 INFO kablam! 
Jul 12 03:53:51.290 INFO kablam! error[E0658]: use of unstable library feature 'test' (see issue #27812)
Jul 12 03:53:51.290 INFO kablam!   --> benches/lib.rs:25:11
Jul 12 03:53:51.290 INFO kablam!    |
Jul 12 03:53:51.290 INFO kablam! 25 |     bench.iter(|| reader.get(format!("{:09}", range_gen.ind_sample(&mut rng))));
Jul 12 03:53:51.290 INFO kablam!    |           ^^^^
Jul 12 03:53:51.290 INFO kablam!    |
Jul 12 03:53:51.290 INFO kablam!    = help: add #![feature(test)] to the crate attributes to enable
Jul 12 03:53:51.290 INFO kablam! 
Jul 12 03:53:51.313 INFO kablam! error: aborting due to 4 previous errors
Jul 12 03:53:51.313 INFO kablam! 
Jul 12 03:53:51.313 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 03:53:51.321 INFO kablam! error: Could not compile `mtbl`.
Jul 12 03:53:51.321 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 03:53:52.688 INFO kablam! error: build failed
Jul 12 03:53:52.690 INFO kablam! su: No module specific data is present
Jul 12 03:53:53.232 INFO running `"docker" "rm" "-f" "2070c356ae28ddf6756aa446f1dc14cf454a5e1e1f85eb9dedac6da46742143a"`
Jul 12 03:53:53.401 INFO blam! 2070c356ae28ddf6756aa446f1dc14cf454a5e1e1f85eb9dedac6da46742143a