Sep 21 06:45:45.228 INFO checking mwmatching-0.1.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 06:45:45.228 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 06:45:45.228 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:45:45.451 INFO blam! f8691be56ca52205a0b9bd93799a1fc2865e2070e9c916f93130c9aca68826e4
Sep 21 06:45:45.453 INFO running `"docker" "start" "-a" "f8691be56ca52205a0b9bd93799a1fc2865e2070e9c916f93130c9aca68826e4"`
Sep 21 06:45:46.081 INFO kablam! usermod: no changes
Sep 21 06:45:46.104 INFO kablam!     Checking mwmatching v0.1.1 (/source)
Sep 21 06:45:47.094 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 21 06:45:47.094 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 21 06:45:47.094 INFO kablam!   |
Sep 21 06:45:47.094 INFO kablam! 4 | extern crate rand;
Sep 21 06:45:47.094 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 21 06:45:47.094 INFO kablam!   |
Sep 21 06:45:47.094 INFO kablam!   = note: candidates:
Sep 21 06:45:47.094 INFO kablam!           crate `rand`: /rustup-home/toolchains/f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-c2db953f7f96ce3d.rlib
Sep 21 06:45:47.094 INFO kablam!           crate `rand`: /rustup-home/toolchains/f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-709b8333b445fb34.rlib
Sep 21 06:45:47.094 INFO kablam! 
Sep 21 06:45:47.094 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 21 06:45:47.094 INFO kablam!  --> examples/largedata/main.rs:4:1
Sep 21 06:45:47.094 INFO kablam!   |
Sep 21 06:45:47.094 INFO kablam! 4 | extern crate rand;
Sep 21 06:45:47.094 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 21 06:45:47.094 INFO kablam! 
Sep 21 06:45:47.094 INFO kablam! error: aborting due to 2 previous errors
Sep 21 06:45:47.094 INFO kablam! 
Sep 21 06:45:47.094 INFO kablam! Some errors occurred: E0463, E0464.
Sep 21 06:45:47.094 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 21 06:45:47.098 INFO kablam! error: Could not compile `mwmatching`.
Sep 21 06:45:47.098 INFO kablam! 
Sep 21 06:45:47.098 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 06:45:47.099 INFO kablam! su: No module specific data is present
Sep 21 06:45:48.030 INFO running `"docker" "rm" "-f" "f8691be56ca52205a0b9bd93799a1fc2865e2070e9c916f93130c9aca68826e4"`
Sep 21 06:45:48.122 INFO blam! f8691be56ca52205a0b9bd93799a1fc2865e2070e9c916f93130c9aca68826e4