Sep 17 20:40:48.484 INFO checking num-bigint-0.2.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 20:40:48.484 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 20:40:48.484 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:40:48.728 INFO blam! 2e2c724fdfd53b8586b117b484981a8bdb25c3059397d8588736a22df8aca51a
Sep 17 20:40:48.733 INFO running `"docker" "start" "-a" "2e2c724fdfd53b8586b117b484981a8bdb25c3059397d8588736a22df8aca51a"`
Sep 17 20:40:49.411 INFO kablam! usermod: no changes
Sep 17 20:40:49.488 INFO kablam!    Compiling num-bigint v0.2.0 (/source)
Sep 17 20:40:52.703 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 17 20:40:52.703 INFO kablam!  --> benches/gcd.rs:7:1
Sep 17 20:40:52.703 INFO kablam!   |
Sep 17 20:40:52.703 INFO kablam! 7 | extern crate rand;
Sep 17 20:40:52.703 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 17 20:40:52.703 INFO kablam!   |
Sep 17 20:40:52.703 INFO kablam!   = note: candidates:
Sep 17 20:40:52.703 INFO kablam!           crate `rand`: /rustup-home/toolchains/cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-9854f5e796d2b5ba.rlib
Sep 17 20:40:52.703 INFO kablam!           crate `rand`: /rustup-home/toolchains/cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-de299aeee5ed7f0e.rlib
Sep 17 20:40:52.703 INFO kablam! 
Sep 17 20:40:52.703 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 17 20:40:52.703 INFO kablam!  --> benches/gcd.rs:7:1
Sep 17 20:40:52.703 INFO kablam!   |
Sep 17 20:40:52.703 INFO kablam! 7 | extern crate rand;
Sep 17 20:40:52.703 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 17 20:40:52.703 INFO kablam! 
Sep 17 20:40:52.707 INFO kablam! error: aborting due to 2 previous errors
Sep 17 20:40:52.707 INFO kablam! 
Sep 17 20:40:52.707 INFO kablam! Some errors occurred: E0463, E0464.
Sep 17 20:40:52.707 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 17 20:40:52.728 INFO kablam! error: Could not compile `num-bigint`.
Sep 17 20:40:52.728 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 20:40:53.194 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 17 20:40:53.194 INFO kablam!  --> benches/bigint.rs:6:1
Sep 17 20:40:53.194 INFO kablam!   |
Sep 17 20:40:53.194 INFO kablam! 6 | extern crate rand;
Sep 17 20:40:53.194 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 17 20:40:53.194 INFO kablam!   |
Sep 17 20:40:53.195 INFO kablam!   = note: candidates:
Sep 17 20:40:53.195 INFO kablam!           crate `rand`: /rustup-home/toolchains/cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-9854f5e796d2b5ba.rlib
Sep 17 20:40:53.195 INFO kablam!           crate `rand`: /rustup-home/toolchains/cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-de299aeee5ed7f0e.rlib
Sep 17 20:40:53.195 INFO kablam! 
Sep 17 20:40:53.195 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 17 20:40:53.195 INFO kablam!  --> benches/bigint.rs:6:1
Sep 17 20:40:53.195 INFO kablam!   |
Sep 17 20:40:53.195 INFO kablam! 6 | extern crate rand;
Sep 17 20:40:53.195 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 17 20:40:53.195 INFO kablam! 
Sep 17 20:40:53.210 INFO kablam! error: aborting due to 2 previous errors
Sep 17 20:40:53.210 INFO kablam! 
Sep 17 20:40:53.210 INFO kablam! Some errors occurred: E0463, E0464.
Sep 17 20:40:53.210 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 17 20:40:53.224 INFO kablam! error: Could not compile `num-bigint`.
Sep 17 20:40:53.224 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 20:40:54.862 INFO kablam! warning: unused arithmetic operation which must be used
Sep 17 20:40:54.862 INFO kablam!    --> tests/biguint.rs:769:5
Sep 17 20:40:54.863 INFO kablam!     |
Sep 17 20:40:54.863 INFO kablam! 769 |     a - b;
Sep 17 20:40:54.863 INFO kablam!     |     ^^^^^
Sep 17 20:40:54.863 INFO kablam!     |
Sep 17 20:40:54.863 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 20:40:54.863 INFO kablam! 
Sep 17 20:40:54.931 INFO kablam! error: build failed
Sep 17 20:40:54.933 INFO kablam! su: No module specific data is present
Sep 17 20:40:55.435 INFO running `"docker" "rm" "-f" "2e2c724fdfd53b8586b117b484981a8bdb25c3059397d8588736a22df8aca51a"`
Sep 17 20:40:55.509 INFO blam! 2e2c724fdfd53b8586b117b484981a8bdb25c3059397d8588736a22df8aca51a