Sep 19 23:30:42.157 INFO checking num-bigint-0.2.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 23:30:42.157 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 23:30:42.157 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:30:42.359 INFO blam! f13470f5e374357ae922e6611318220ca14e8597c2bf3947dfa7238dd7121970
Sep 19 23:30:42.361 INFO running `"docker" "start" "-a" "f13470f5e374357ae922e6611318220ca14e8597c2bf3947dfa7238dd7121970"`
Sep 19 23:30:43.311 INFO kablam! usermod: no changes
Sep 19 23:30:43.428 INFO kablam!    Compiling num-bigint v0.2.0 (/source)
Sep 19 23:30:48.318 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 19 23:30:48.318 INFO kablam!  --> benches/gcd.rs:7:1
Sep 19 23:30:48.318 INFO kablam!   |
Sep 19 23:30:48.318 INFO kablam! 7 | extern crate rand;
Sep 19 23:30:48.318 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 19 23:30:48.318 INFO kablam!   |
Sep 19 23:30:48.318 INFO kablam!   = note: candidates:
Sep 19 23:30:48.318 INFO kablam!           crate `rand`: /rustup-home/toolchains/135b4cd023a753409d01e43b0f23d22a899feeeb-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-817beb447ed297fc.rlib
Sep 19 23:30:48.318 INFO kablam!           crate `rand`: /rustup-home/toolchains/135b4cd023a753409d01e43b0f23d22a899feeeb-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-2e9fb4414bfb8839.rlib
Sep 19 23:30:48.318 INFO kablam! 
Sep 19 23:30:48.318 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 19 23:30:48.318 INFO kablam!  --> benches/gcd.rs:7:1
Sep 19 23:30:48.318 INFO kablam!   |
Sep 19 23:30:48.318 INFO kablam! 7 | extern crate rand;
Sep 19 23:30:48.318 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 19 23:30:48.318 INFO kablam! 
Sep 19 23:30:48.318 INFO kablam! error: aborting due to 2 previous errors
Sep 19 23:30:48.318 INFO kablam! 
Sep 19 23:30:48.318 INFO kablam! Some errors occurred: E0463, E0464.
Sep 19 23:30:48.318 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 19 23:30:48.330 INFO kablam! error: Could not compile `num-bigint`.
Sep 19 23:30:48.330 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:30:48.556 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 19 23:30:48.556 INFO kablam!  --> benches/bigint.rs:6:1
Sep 19 23:30:48.556 INFO kablam!   |
Sep 19 23:30:48.556 INFO kablam! 6 | extern crate rand;
Sep 19 23:30:48.556 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 19 23:30:48.556 INFO kablam!   |
Sep 19 23:30:48.556 INFO kablam!   = note: candidates:
Sep 19 23:30:48.556 INFO kablam!           crate `rand`: /rustup-home/toolchains/135b4cd023a753409d01e43b0f23d22a899feeeb-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-817beb447ed297fc.rlib
Sep 19 23:30:48.556 INFO kablam!           crate `rand`: /rustup-home/toolchains/135b4cd023a753409d01e43b0f23d22a899feeeb-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-2e9fb4414bfb8839.rlib
Sep 19 23:30:48.556 INFO kablam! 
Sep 19 23:30:48.557 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 19 23:30:48.557 INFO kablam!  --> benches/bigint.rs:6:1
Sep 19 23:30:48.557 INFO kablam!   |
Sep 19 23:30:48.557 INFO kablam! 6 | extern crate rand;
Sep 19 23:30:48.557 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 19 23:30:48.565 INFO kablam! 
Sep 19 23:30:48.565 INFO kablam! error: aborting due to 2 previous errors
Sep 19 23:30:48.565 INFO kablam! 
Sep 19 23:30:48.565 INFO kablam! Some errors occurred: E0463, E0464.
Sep 19 23:30:48.565 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 19 23:30:48.572 INFO kablam! error: Could not compile `num-bigint`.
Sep 19 23:30:48.572 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:30:50.134 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 23:30:50.134 INFO kablam!    --> tests/biguint.rs:769:5
Sep 19 23:30:50.134 INFO kablam!     |
Sep 19 23:30:50.134 INFO kablam! 769 |     a - b;
Sep 19 23:30:50.134 INFO kablam!     |     ^^^^^
Sep 19 23:30:50.134 INFO kablam!     |
Sep 19 23:30:50.134 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 23:30:50.134 INFO kablam! 
Sep 19 23:30:50.188 INFO kablam! error: build failed
Sep 19 23:30:50.188 INFO kablam! su: No module specific data is present
Sep 19 23:30:50.852 INFO running `"docker" "rm" "-f" "f13470f5e374357ae922e6611318220ca14e8597c2bf3947dfa7238dd7121970"`
Sep 19 23:30:50.928 INFO blam! f13470f5e374357ae922e6611318220ca14e8597c2bf3947dfa7238dd7121970