Sep 10 14:16:38.048 INFO checking mwmatching-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:16:38.048 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:16:38.048 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/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 14:16:38.244 INFO blam! 4445245cac1a5639d596a80e4d16c8b6737798a86b99b0db5e36f1d6ec6ccfbb
Sep 10 14:16:38.246 INFO running `"docker" "start" "-a" "4445245cac1a5639d596a80e4d16c8b6737798a86b99b0db5e36f1d6ec6ccfbb"`
Sep 10 14:16:38.969 INFO kablam! usermod: no changes
Sep 10 14:16:38.993 INFO kablam!     Checking mwmatching v0.1.1 (file:///source)
Sep 10 14:16:39.974 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 10 14:16:39.974 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 10 14:16:39.974 INFO kablam!   |
Sep 10 14:16:39.974 INFO kablam! 4 | extern crate rand;
Sep 10 14:16:39.974 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 10 14:16:39.974 INFO kablam!   |
Sep 10 14:16:39.974 INFO kablam!   = note: candidates:
Sep 10 14:16:39.974 INFO kablam!           crate `rand`: /rustup-home/toolchains/3a2610c2a16575649896925631bf8cec4f4b1961-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-f0493c8bbd1f43af.rlib
Sep 10 14:16:39.974 INFO kablam!           crate `rand`: /rustup-home/toolchains/3a2610c2a16575649896925631bf8cec4f4b1961-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-bff0435c047676fa.rlib
Sep 10 14:16:39.974 INFO kablam! 
Sep 10 14:16:39.974 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 10 14:16:39.974 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 10 14:16:39.974 INFO kablam!   |
Sep 10 14:16:39.974 INFO kablam! 4 | extern crate rand;
Sep 10 14:16:39.974 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 10 14:16:39.974 INFO kablam! 
Sep 10 14:16:39.974 INFO kablam! error: aborting due to 2 previous errors
Sep 10 14:16:39.974 INFO kablam! 
Sep 10 14:16:39.974 INFO kablam! Some errors occurred: E0463, E0464.
Sep 10 14:16:39.974 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 10 14:16:39.976 INFO kablam! error: Could not compile `mwmatching`.
Sep 10 14:16:39.976 INFO kablam! 
Sep 10 14:16:39.976 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 14:16:39.977 INFO kablam! su: No module specific data is present
Sep 10 14:16:40.612 INFO running `"docker" "rm" "-f" "4445245cac1a5639d596a80e4d16c8b6737798a86b99b0db5e36f1d6ec6ccfbb"`
Sep 10 14:16:40.695 INFO blam! 4445245cac1a5639d596a80e4d16c8b6737798a86b99b0db5e36f1d6ec6ccfbb