Sep 10 14:41:42.882 INFO checking merkle-1.10.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:41:42.882 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:41:42.882 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:41:43.025 INFO blam! 6c943acc63506e5ea67184490039e3b1cbfbc47ddcc8e42ed6349c9a5ba7f68c
Sep 10 14:41:43.027 INFO running `"docker" "start" "-a" "6c943acc63506e5ea67184490039e3b1cbfbc47ddcc8e42ed6349c9a5ba7f68c"`
Sep 10 14:41:43.606 INFO kablam! usermod: no changes
Sep 10 14:41:43.695 INFO kablam!    Compiling merkle v1.10.0 (file:///source)
Sep 10 14:41:45.370 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 10 14:41:45.370 INFO kablam!  --> benches/lib.rs:4:1
Sep 10 14:41:45.370 INFO kablam!   |
Sep 10 14:41:45.370 INFO kablam! 4 | extern crate rand;
Sep 10 14:41:45.370 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 10 14:41:45.370 INFO kablam!   |
Sep 10 14:41:45.370 INFO kablam!   = note: candidates:
Sep 10 14:41:45.370 INFO kablam!           crate `rand`: /rustup-home/toolchains/3a2610c2a16575649896925631bf8cec4f4b1961-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-f0493c8bbd1f43af.rlib
Sep 10 14:41:45.370 INFO kablam!           crate `rand`: /rustup-home/toolchains/3a2610c2a16575649896925631bf8cec4f4b1961-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-bff0435c047676fa.rlib
Sep 10 14:41:45.370 INFO kablam! 
Sep 10 14:41:45.370 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 10 14:41:45.370 INFO kablam!  --> benches/lib.rs:4:1
Sep 10 14:41:45.370 INFO kablam!   |
Sep 10 14:41:45.370 INFO kablam! 4 | extern crate rand;
Sep 10 14:41:45.370 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 10 14:41:45.370 INFO kablam! 
Sep 10 14:41:45.386 INFO kablam! error: aborting due to 2 previous errors
Sep 10 14:41:45.386 INFO kablam! 
Sep 10 14:41:45.386 INFO kablam! Some errors occurred: E0463, E0464.
Sep 10 14:41:45.386 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 10 14:41:45.398 INFO kablam! error: Could not compile `merkle`.
Sep 10 14:41:45.398 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 14:41:45.438 INFO kablam! error: build failed
Sep 10 14:41:45.442 INFO kablam! su: No module specific data is present
Sep 10 14:41:46.041 INFO running `"docker" "rm" "-f" "6c943acc63506e5ea67184490039e3b1cbfbc47ddcc8e42ed6349c9a5ba7f68c"`
Sep 10 14:41:46.128 INFO blam! 6c943acc63506e5ea67184490039e3b1cbfbc47ddcc8e42ed6349c9a5ba7f68c