Sep 20 00:14:36.412 INFO checking merkle-1.10.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 00:14:36.412 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 00:14:36.412 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:14:36.581 INFO blam! cfa442c3fc7457afcc61e6f7cea1433e8ca15ea4c69580e76aa7673fd1152e73
Sep 20 00:14:36.583 INFO running `"docker" "start" "-a" "cfa442c3fc7457afcc61e6f7cea1433e8ca15ea4c69580e76aa7673fd1152e73"`
Sep 20 00:14:37.527 INFO kablam! usermod: no changes
Sep 20 00:14:37.638 INFO kablam!    Compiling merkle v1.10.0 (/source)
Sep 20 00:14:39.494 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 20 00:14:39.494 INFO kablam!  --> benches/lib.rs:4:1
Sep 20 00:14:39.494 INFO kablam!   |
Sep 20 00:14:39.494 INFO kablam! 4 | extern crate rand;
Sep 20 00:14:39.494 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 20 00:14:39.494 INFO kablam!   |
Sep 20 00:14:39.494 INFO kablam!   = note: candidates:
Sep 20 00:14:39.494 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-703f361dc3e1a26a.rlib
Sep 20 00:14:39.494 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-07d7b969c35c8830.rlib
Sep 20 00:14:39.494 INFO kablam! 
Sep 20 00:14:39.494 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 20 00:14:39.494 INFO kablam!  --> benches/lib.rs:4:1
Sep 20 00:14:39.494 INFO kablam!   |
Sep 20 00:14:39.494 INFO kablam! 4 | extern crate rand;
Sep 20 00:14:39.494 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 20 00:14:39.494 INFO kablam! 
Sep 20 00:14:39.494 INFO kablam! error: aborting due to 2 previous errors
Sep 20 00:14:39.495 INFO kablam! 
Sep 20 00:14:39.495 INFO kablam! Some errors occurred: E0463, E0464.
Sep 20 00:14:39.495 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 20 00:14:39.499 INFO kablam! error: Could not compile `merkle`.
Sep 20 00:14:39.500 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 00:14:39.618 INFO kablam! error: build failed
Sep 20 00:14:39.618 INFO kablam! su: No module specific data is present
Sep 20 00:14:40.408 INFO running `"docker" "rm" "-f" "cfa442c3fc7457afcc61e6f7cea1433e8ca15ea4c69580e76aa7673fd1152e73"`
Sep 20 00:14:40.518 INFO blam! cfa442c3fc7457afcc61e6f7cea1433e8ca15ea4c69580e76aa7673fd1152e73