Sep 01 12:39:49.046 INFO checking num-bigint-0.2.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 12:39:49.046 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 12:39:49.046 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 12:39:49.295 INFO blam! 67686e29beced40650ca979e4fa4c993edc5b48d2603eb30ca9508988365c089
Sep 01 12:39:49.297 INFO running `"docker" "start" "-a" "67686e29beced40650ca979e4fa4c993edc5b48d2603eb30ca9508988365c089"`
Sep 01 12:39:50.086 INFO kablam!    Compiling num-bigint v0.2.0 (file:///source)
Sep 01 12:39:57.887 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 01 12:39:57.887 INFO kablam!  --> benches/gcd.rs:7:1
Sep 01 12:39:57.887 INFO kablam!   |
Sep 01 12:39:57.887 INFO kablam! 7 | extern crate rand;
Sep 01 12:39:57.887 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 01 12:39:57.896 INFO kablam!   |
Sep 01 12:39:57.896 INFO kablam!   = note: candidates:
Sep 01 12:39:57.896 INFO kablam!           crate `rand`: /rustup-home/toolchains/aa245a5862056b681d2ccdb178f58891108cd3a6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-4236a4266d77a94a.rlib
Sep 01 12:39:57.896 INFO kablam!           crate `rand`: /rustup-home/toolchains/aa245a5862056b681d2ccdb178f58891108cd3a6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-8cfc206d83da9018.rlib
Sep 01 12:39:57.897 INFO kablam! 
Sep 01 12:39:57.897 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 01 12:39:57.897 INFO kablam!  --> benches/gcd.rs:7:1
Sep 01 12:39:57.897 INFO kablam!   |
Sep 01 12:39:57.897 INFO kablam! 7 | extern crate rand;
Sep 01 12:39:57.897 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 01 12:39:57.898 INFO kablam! 
Sep 01 12:39:57.898 INFO kablam! error: aborting due to 2 previous errors
Sep 01 12:39:57.898 INFO kablam! 
Sep 01 12:39:57.898 INFO kablam! Some errors occurred: E0463, E0464.
Sep 01 12:39:57.899 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 01 12:39:57.933 INFO kablam! error: Could not compile `num-bigint`.
Sep 01 12:39:57.934 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 12:39:57.977 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 01 12:39:57.977 INFO kablam!  --> benches/bigint.rs:6:1
Sep 01 12:39:57.977 INFO kablam!   |
Sep 01 12:39:57.977 INFO kablam! 6 | extern crate rand;
Sep 01 12:39:57.977 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 01 12:39:57.978 INFO kablam!   |
Sep 01 12:39:57.978 INFO kablam!   = note: candidates:
Sep 01 12:39:57.978 INFO kablam!           crate `rand`: /rustup-home/toolchains/aa245a5862056b681d2ccdb178f58891108cd3a6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-4236a4266d77a94a.rlib
Sep 01 12:39:57.978 INFO kablam!           crate `rand`: /rustup-home/toolchains/aa245a5862056b681d2ccdb178f58891108cd3a6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-8cfc206d83da9018.rlib
Sep 01 12:39:57.978 INFO kablam! 
Sep 01 12:39:57.978 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 01 12:39:57.978 INFO kablam!  --> benches/bigint.rs:6:1
Sep 01 12:39:57.978 INFO kablam!   |
Sep 01 12:39:57.979 INFO kablam! 6 | extern crate rand;
Sep 01 12:39:57.979 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 01 12:39:57.979 INFO kablam! 
Sep 01 12:39:57.979 INFO kablam! error: aborting due to 2 previous errors
Sep 01 12:39:57.979 INFO kablam! 
Sep 01 12:39:57.980 INFO kablam! Some errors occurred: E0463, E0464.
Sep 01 12:39:57.984 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 01 12:39:58.004 INFO kablam! error: Could not compile `num-bigint`.
Sep 01 12:39:58.005 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 12:40:02.545 INFO kablam! warning: unused arithmetic operation which must be used
Sep 01 12:40:02.545 INFO kablam!    --> tests/biguint.rs:769:5
Sep 01 12:40:02.545 INFO kablam!     |
Sep 01 12:40:02.545 INFO kablam! 769 |     a - b;
Sep 01 12:40:02.545 INFO kablam!     |     ^^^^^
Sep 01 12:40:02.545 INFO kablam!     |
Sep 01 12:40:02.545 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 12:40:02.545 INFO kablam! 
Sep 01 12:40:02.601 INFO kablam! error: build failed
Sep 01 12:40:02.602 INFO kablam! su: No module specific data is present
Sep 01 12:40:03.051 INFO running `"docker" "rm" "-f" "67686e29beced40650ca979e4fa4c993edc5b48d2603eb30ca9508988365c089"`
Sep 01 12:40:03.136 INFO blam! 67686e29beced40650ca979e4fa4c993edc5b48d2603eb30ca9508988365c089