Sep 06 03:52:37.715 INFO checking merkle-1.10.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:52:37.715 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:52:37.715 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:52:37.900 INFO blam! c034c26269afbd4d961dc3257ee8454f81d7171f57fc13806e10ba20c65482b8
Sep 06 03:52:37.902 INFO running `"docker" "start" "-a" "c034c26269afbd4d961dc3257ee8454f81d7171f57fc13806e10ba20c65482b8"`
Sep 06 03:52:39.056 INFO kablam! usermod: no changes
Sep 06 03:52:39.139 INFO kablam!    Compiling merkle v1.10.0 (file:///source)
Sep 06 03:52:40.784 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 06 03:52:40.784 INFO kablam!  --> benches/lib.rs:4:1
Sep 06 03:52:40.784 INFO kablam!   |
Sep 06 03:52:40.784 INFO kablam! 4 | extern crate rand;
Sep 06 03:52:40.784 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 06 03:52:40.784 INFO kablam!   |
Sep 06 03:52:40.784 INFO kablam!   = note: candidates:
Sep 06 03:52:40.784 INFO kablam!           crate `rand`: /rustup-home/toolchains/51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-04769182b683e0b0.rlib
Sep 06 03:52:40.784 INFO kablam!           crate `rand`: /rustup-home/toolchains/51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-40694489140c1665.rlib
Sep 06 03:52:40.784 INFO kablam! 
Sep 06 03:52:40.785 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 06 03:52:40.785 INFO kablam!  --> benches/lib.rs:4:1
Sep 06 03:52:40.785 INFO kablam!   |
Sep 06 03:52:40.785 INFO kablam! 4 | extern crate rand;
Sep 06 03:52:40.785 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 06 03:52:40.785 INFO kablam! 
Sep 06 03:52:40.785 INFO kablam! error: aborting due to 2 previous errors
Sep 06 03:52:40.785 INFO kablam! 
Sep 06 03:52:40.785 INFO kablam! Some errors occurred: E0463, E0464.
Sep 06 03:52:40.785 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 06 03:52:40.790 INFO kablam! error: Could not compile `merkle`.
Sep 06 03:52:40.790 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 03:52:40.947 INFO kablam! error: build failed
Sep 06 03:52:40.949 INFO kablam! su: No module specific data is present
Sep 06 03:52:41.490 INFO running `"docker" "rm" "-f" "c034c26269afbd4d961dc3257ee8454f81d7171f57fc13806e10ba20c65482b8"`
Sep 06 03:52:41.589 INFO blam! c034c26269afbd4d961dc3257ee8454f81d7171f57fc13806e10ba20c65482b8