Sep 21 07:06:00.567 INFO checking merkle-1.10.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 07:06:00.567 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 07:06:00.567 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/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 07:06:00.764 INFO blam! dd616b5fc7b6c96d46e59c533d262f2e022edbd36d3bdaf8e15a7d3bb090f27d
Sep 21 07:06:00.766 INFO running `"docker" "start" "-a" "dd616b5fc7b6c96d46e59c533d262f2e022edbd36d3bdaf8e15a7d3bb090f27d"`
Sep 21 07:06:01.562 INFO kablam! usermod: no changes
Sep 21 07:06:01.662 INFO kablam!    Compiling merkle v1.10.0 (/source)
Sep 21 07:06:03.418 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 21 07:06:03.418 INFO kablam!  --> benches/lib.rs:4:1
Sep 21 07:06:03.418 INFO kablam!   |
Sep 21 07:06:03.418 INFO kablam! 4 | extern crate rand;
Sep 21 07:06:03.418 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 21 07:06:03.418 INFO kablam!   |
Sep 21 07:06:03.418 INFO kablam!   = note: candidates:
Sep 21 07:06:03.419 INFO kablam!           crate `rand`: /rustup-home/toolchains/f7f4c500b46603386e940f116b469c7adc043a6d-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-16f3c6c435ff637b.rlib
Sep 21 07:06:03.419 INFO kablam!           crate `rand`: /rustup-home/toolchains/f7f4c500b46603386e940f116b469c7adc043a6d-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-1abefe9dc15c2d37.rlib
Sep 21 07:06:03.419 INFO kablam! 
Sep 21 07:06:03.419 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 21 07:06:03.419 INFO kablam!  --> benches/lib.rs:4:1
Sep 21 07:06:03.419 INFO kablam!   |
Sep 21 07:06:03.419 INFO kablam! 4 | extern crate rand;
Sep 21 07:06:03.419 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 21 07:06:03.419 INFO kablam! 
Sep 21 07:06:03.419 INFO kablam! error: aborting due to 2 previous errors
Sep 21 07:06:03.419 INFO kablam! 
Sep 21 07:06:03.419 INFO kablam! Some errors occurred: E0463, E0464.
Sep 21 07:06:03.419 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 21 07:06:03.424 INFO kablam! error: Could not compile `merkle`.
Sep 21 07:06:03.425 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 07:06:03.559 INFO kablam! error: build failed
Sep 21 07:06:03.561 INFO kablam! su: No module specific data is present
Sep 21 07:06:04.244 INFO running `"docker" "rm" "-f" "dd616b5fc7b6c96d46e59c533d262f2e022edbd36d3bdaf8e15a7d3bb090f27d"`
Sep 21 07:06:04.351 INFO blam! dd616b5fc7b6c96d46e59c533d262f2e022edbd36d3bdaf8e15a7d3bb090f27d