Sep 06 03:09:02.081 INFO checking num-bigint-0.2.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 03:09:02.081 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 03:09:02.081 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:09:02.227 INFO blam! 9b9341a88ac157fab02a99e135f1b49153f64a640588699b71d987cb5343746d
Sep 06 03:09:02.228 INFO running `"docker" "start" "-a" "9b9341a88ac157fab02a99e135f1b49153f64a640588699b71d987cb5343746d"`
Sep 06 03:09:02.947 INFO kablam! usermod: no changes
Sep 06 03:09:03.022 INFO kablam!    Compiling num-bigint v0.2.0 (file:///source)
Sep 06 03:09:06.794 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 06 03:09:06.794 INFO kablam!  --> benches/gcd.rs:7:1
Sep 06 03:09:06.794 INFO kablam!   |
Sep 06 03:09:06.794 INFO kablam! 7 | extern crate rand;
Sep 06 03:09:06.794 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 06 03:09:06.794 INFO kablam!   |
Sep 06 03:09:06.794 INFO kablam!   = note: candidates:
Sep 06 03:09:06.794 INFO kablam!           crate `rand`: /rustup-home/toolchains/1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-7eeaf44b85bc0095.rlib
Sep 06 03:09:06.794 INFO kablam!           crate `rand`: /rustup-home/toolchains/1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-87511fb78d987f6a.rlib
Sep 06 03:09:06.794 INFO kablam! 
Sep 06 03:09:06.804 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 06 03:09:06.804 INFO kablam!  --> benches/gcd.rs:7:1
Sep 06 03:09:06.804 INFO kablam!   |
Sep 06 03:09:06.804 INFO kablam! 7 | extern crate rand;
Sep 06 03:09:06.804 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 06 03:09:06.804 INFO kablam! 
Sep 06 03:09:06.804 INFO kablam! error: aborting due to 2 previous errors
Sep 06 03:09:06.804 INFO kablam! 
Sep 06 03:09:06.804 INFO kablam! Some errors occurred: E0463, E0464.
Sep 06 03:09:06.804 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 06 03:09:06.809 INFO kablam! error: Could not compile `num-bigint`.
Sep 06 03:09:06.809 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 03:09:07.487 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 06 03:09:07.487 INFO kablam!  --> benches/bigint.rs:6:1
Sep 06 03:09:07.487 INFO kablam!   |
Sep 06 03:09:07.487 INFO kablam! 6 | extern crate rand;
Sep 06 03:09:07.487 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 06 03:09:07.487 INFO kablam!   |
Sep 06 03:09:07.487 INFO kablam!   = note: candidates:
Sep 06 03:09:07.487 INFO kablam!           crate `rand`: /rustup-home/toolchains/1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-7eeaf44b85bc0095.rlib
Sep 06 03:09:07.487 INFO kablam!           crate `rand`: /rustup-home/toolchains/1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-87511fb78d987f6a.rlib
Sep 06 03:09:07.487 INFO kablam! 
Sep 06 03:09:07.487 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 06 03:09:07.487 INFO kablam!  --> benches/bigint.rs:6:1
Sep 06 03:09:07.487 INFO kablam!   |
Sep 06 03:09:07.487 INFO kablam! 6 | extern crate rand;
Sep 06 03:09:07.487 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 06 03:09:07.487 INFO kablam! 
Sep 06 03:09:07.487 INFO kablam! error: aborting due to 2 previous errors
Sep 06 03:09:07.487 INFO kablam! 
Sep 06 03:09:07.487 INFO kablam! Some errors occurred: E0463, E0464.
Sep 06 03:09:07.487 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 06 03:09:07.511 INFO kablam! error: Could not compile `num-bigint`.
Sep 06 03:09:07.511 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 03:09:09.405 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 03:09:09.405 INFO kablam!    --> tests/biguint.rs:769:5
Sep 06 03:09:09.405 INFO kablam!     |
Sep 06 03:09:09.405 INFO kablam! 769 |     a - b;
Sep 06 03:09:09.405 INFO kablam!     |     ^^^^^
Sep 06 03:09:09.405 INFO kablam!     |
Sep 06 03:09:09.405 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 03:09:09.405 INFO kablam! 
Sep 06 03:09:10.201 INFO kablam! error: build failed
Sep 06 03:09:10.205 INFO kablam! su: No module specific data is present
Sep 06 03:09:10.683 INFO running `"docker" "rm" "-f" "9b9341a88ac157fab02a99e135f1b49153f64a640588699b71d987cb5343746d"`
Sep 06 03:09:10.766 INFO blam! 9b9341a88ac157fab02a99e135f1b49153f64a640588699b71d987cb5343746d