Sep 19 22:03:37.587 INFO checking mwmatching-0.1.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 22:03:37.587 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 22:03:37.587 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:03:37.864 INFO blam! 13bc3e87c1097c1496d62f91dbd513878e1ef6dabbd9393ccdd888dad0e71272
Sep 19 22:03:37.865 INFO running `"docker" "start" "-a" "13bc3e87c1097c1496d62f91dbd513878e1ef6dabbd9393ccdd888dad0e71272"`
Sep 19 22:03:38.790 INFO kablam! usermod: no changes
Sep 19 22:03:38.839 INFO kablam!     Checking mwmatching v0.1.1 (/source)
Sep 19 22:03:39.723 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 19 22:03:39.723 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 19 22:03:39.723 INFO kablam!   |
Sep 19 22:03:39.723 INFO kablam! 4 | extern crate rand;
Sep 19 22:03:39.723 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 19 22:03:39.723 INFO kablam!   |
Sep 19 22:03:39.723 INFO kablam!   = note: candidates:
Sep 19 22:03:39.723 INFO kablam!           crate `rand`: /rustup-home/toolchains/ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-d5362173c1b9558f.rlib
Sep 19 22:03:39.723 INFO kablam!           crate `rand`: /rustup-home/toolchains/ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-97ce7087704555ff.rlib
Sep 19 22:03:39.723 INFO kablam! 
Sep 19 22:03:39.723 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 19 22:03:39.723 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 19 22:03:39.723 INFO kablam!   |
Sep 19 22:03:39.724 INFO kablam! 4 | extern crate rand;
Sep 19 22:03:39.724 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 19 22:03:39.724 INFO kablam! 
Sep 19 22:03:39.724 INFO kablam! error: aborting due to 2 previous errors
Sep 19 22:03:39.724 INFO kablam! 
Sep 19 22:03:39.724 INFO kablam! Some errors occurred: E0463, E0464.
Sep 19 22:03:39.724 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 19 22:03:39.727 INFO kablam! error: Could not compile `mwmatching`.
Sep 19 22:03:39.727 INFO kablam! 
Sep 19 22:03:39.727 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 22:03:39.729 INFO kablam! su: No module specific data is present
Sep 19 22:03:40.245 INFO running `"docker" "rm" "-f" "13bc3e87c1097c1496d62f91dbd513878e1ef6dabbd9393ccdd888dad0e71272"`
Sep 19 22:03:40.407 INFO blam! 13bc3e87c1097c1496d62f91dbd513878e1ef6dabbd9393ccdd888dad0e71272