Sep 06 03:09:01.760 INFO checking num-bigint-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:09:01.760 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:09:01.760 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/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 03:09:01.940 INFO blam! defcd4b46fa435c80ddd65938791682b337a601c9dcf7037512278537e1ca4da
Sep 06 03:09:01.944 INFO running `"docker" "start" "-a" "defcd4b46fa435c80ddd65938791682b337a601c9dcf7037512278537e1ca4da"`
Sep 06 03:09:02.890 INFO kablam! usermod: no changes
Sep 06 03:09:02.994 INFO kablam!    Compiling num-bigint v0.2.0 (file:///source)
Sep 06 03:09:07.285 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 06 03:09:07.285 INFO kablam!  --> benches/gcd.rs:7:1
Sep 06 03:09:07.285 INFO kablam!   |
Sep 06 03:09:07.285 INFO kablam! 7 | extern crate rand;
Sep 06 03:09:07.285 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 06 03:09:07.285 INFO kablam!   |
Sep 06 03:09:07.285 INFO kablam!   = note: candidates:
Sep 06 03:09:07.285 INFO kablam!           crate `rand`: /rustup-home/toolchains/51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-04769182b683e0b0.rlib
Sep 06 03:09:07.285 INFO kablam!           crate `rand`: /rustup-home/toolchains/51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-40694489140c1665.rlib
Sep 06 03:09:07.285 INFO kablam! 
Sep 06 03:09:07.285 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 06 03:09:07.285 INFO kablam!  --> benches/gcd.rs:7:1
Sep 06 03:09:07.285 INFO kablam!   |
Sep 06 03:09:07.285 INFO kablam! 7 | extern crate rand;
Sep 06 03:09:07.285 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 06 03:09:07.285 INFO kablam! 
Sep 06 03:09:07.285 INFO kablam! error: aborting due to 2 previous errors
Sep 06 03:09:07.285 INFO kablam! 
Sep 06 03:09:07.285 INFO kablam! Some errors occurred: E0463, E0464.
Sep 06 03:09:07.285 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 06 03:09:07.291 INFO kablam! error: Could not compile `num-bigint`.
Sep 06 03:09:07.291 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 03:09:10.044 INFO kablam! error: build failed
Sep 06 03:09:10.045 INFO kablam! su: No module specific data is present
Sep 06 03:09:10.612 INFO running `"docker" "rm" "-f" "defcd4b46fa435c80ddd65938791682b337a601c9dcf7037512278537e1ca4da"`
Sep 06 03:09:10.674 INFO blam! defcd4b46fa435c80ddd65938791682b337a601c9dcf7037512278537e1ca4da