Sep 19 23:55:12.411 INFO checking mwmatching-0.1.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 23:55:12.411 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 23:55:12.411 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/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 19 23:55:12.615 INFO blam! 1cf725ac905d4e9e1e3c85629314fea25249d139f94aa947534834a48c6bb082
Sep 19 23:55:12.617 INFO running `"docker" "start" "-a" "1cf725ac905d4e9e1e3c85629314fea25249d139f94aa947534834a48c6bb082"`
Sep 19 23:55:13.680 INFO kablam! usermod: no changes
Sep 19 23:55:13.722 INFO kablam!     Checking mwmatching v0.1.1 (/source)
Sep 19 23:55:14.434 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 19 23:55:14.434 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 19 23:55:14.434 INFO kablam!   |
Sep 19 23:55:14.434 INFO kablam! 4 | extern crate rand;
Sep 19 23:55:14.434 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 19 23:55:14.434 INFO kablam!   |
Sep 19 23:55:14.434 INFO kablam!   = note: candidates:
Sep 19 23:55:14.434 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-703f361dc3e1a26a.rlib
Sep 19 23:55:14.434 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-07d7b969c35c8830.rlib
Sep 19 23:55:14.434 INFO kablam! 
Sep 19 23:55:14.434 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 19 23:55:14.434 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 19 23:55:14.434 INFO kablam!   |
Sep 19 23:55:14.434 INFO kablam! 4 | extern crate rand;
Sep 19 23:55:14.434 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 19 23:55:14.434 INFO kablam! 
Sep 19 23:55:14.434 INFO kablam! error: aborting due to 2 previous errors
Sep 19 23:55:14.434 INFO kablam! 
Sep 19 23:55:14.434 INFO kablam! Some errors occurred: E0463, E0464.
Sep 19 23:55:14.434 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 19 23:55:14.437 INFO kablam! error: Could not compile `mwmatching`.
Sep 19 23:55:14.437 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:55:14.550 INFO kablam! error: build failed
Sep 19 23:55:14.550 INFO kablam! su: No module specific data is present
Sep 19 23:55:15.108 INFO running `"docker" "rm" "-f" "1cf725ac905d4e9e1e3c85629314fea25249d139f94aa947534834a48c6bb082"`
Sep 19 23:55:15.215 INFO blam! 1cf725ac905d4e9e1e3c85629314fea25249d139f94aa947534834a48c6bb082