Sep 01 13:27:48.454 INFO checking mwmatching-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 13:27:48.454 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 13:27:48.454 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:27:48.642 INFO blam! 5efa1abc0f9e15f565ed5f2161060c213e8ba346e34c9fd2feffe72a3ca13470
Sep 01 13:27:48.644 INFO running `"docker" "start" "-a" "5efa1abc0f9e15f565ed5f2161060c213e8ba346e34c9fd2feffe72a3ca13470"`
Sep 01 13:27:49.285 INFO kablam!     Checking mwmatching v0.1.1 (file:///source)
Sep 01 13:27:50.769 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 01 13:27:50.769 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 01 13:27:50.769 INFO kablam!   |
Sep 01 13:27:50.769 INFO kablam! 4 | extern crate rand;
Sep 01 13:27:50.769 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 01 13:27:50.769 INFO kablam!   |
Sep 01 13:27:50.769 INFO kablam!   = note: candidates:
Sep 01 13:27:50.769 INFO kablam!           crate `rand`: /rustup-home/toolchains/1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-6c0c815848f04865.rlib
Sep 01 13:27:50.769 INFO kablam!           crate `rand`: /rustup-home/toolchains/1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-3a6eaeed1390ab28.rlib
Sep 01 13:27:50.769 INFO kablam! 
Sep 01 13:27:50.770 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 01 13:27:50.770 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 01 13:27:50.770 INFO kablam!   |
Sep 01 13:27:50.770 INFO kablam! 4 | extern crate rand;
Sep 01 13:27:50.770 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 01 13:27:50.770 INFO kablam! 
Sep 01 13:27:50.770 INFO kablam! error: aborting due to 2 previous errors
Sep 01 13:27:50.770 INFO kablam! 
Sep 01 13:27:50.770 INFO kablam! Some errors occurred: E0463, E0464.
Sep 01 13:27:50.770 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 01 13:27:50.774 INFO kablam! error: Could not compile `mwmatching`.
Sep 01 13:27:50.774 INFO kablam! 
Sep 01 13:27:50.774 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 13:27:50.775 INFO kablam! su: No module specific data is present
Sep 01 13:27:51.306 INFO running `"docker" "rm" "-f" "5efa1abc0f9e15f565ed5f2161060c213e8ba346e34c9fd2feffe72a3ca13470"`
Sep 01 13:27:51.404 INFO blam! 5efa1abc0f9e15f565ed5f2161060c213e8ba346e34c9fd2feffe72a3ca13470