Sep 14 12:27:28.262 INFO checking num-bigint-0.2.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 12:27:28.262 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 12:27:28.262 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:27:28.442 INFO blam! 290c6f5df06aaf3057ef5b4cb02c64ba1930a2ecb1d25bbcc2b1e3f526186aa4
Sep 14 12:27:28.445 INFO running `"docker" "start" "-a" "290c6f5df06aaf3057ef5b4cb02c64ba1930a2ecb1d25bbcc2b1e3f526186aa4"`
Sep 14 12:27:29.378 INFO kablam! usermod: no changes
Sep 14 12:27:29.438 INFO kablam!    Compiling num-bigint v0.2.0 (file:///source)
Sep 14 12:27:33.902 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 14 12:27:33.902 INFO kablam!  --> benches/gcd.rs:7:1
Sep 14 12:27:33.902 INFO kablam!   |
Sep 14 12:27:33.902 INFO kablam! 7 | extern crate rand;
Sep 14 12:27:33.902 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 14 12:27:33.912 INFO kablam!   |
Sep 14 12:27:33.913 INFO kablam!   = note: candidates:
Sep 14 12:27:33.913 INFO kablam!           crate `rand`: /rustup-home/toolchains/87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-a3a81409258fa158.rlib
Sep 14 12:27:33.913 INFO kablam!           crate `rand`: /rustup-home/toolchains/87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-756977fb4f6429f8.rlib
Sep 14 12:27:33.913 INFO kablam! 
Sep 14 12:27:33.927 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 14 12:27:33.927 INFO kablam!  --> benches/gcd.rs:7:1
Sep 14 12:27:33.927 INFO kablam!   |
Sep 14 12:27:33.927 INFO kablam! 7 | extern crate rand;
Sep 14 12:27:33.927 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 14 12:27:33.927 INFO kablam! 
Sep 14 12:27:33.928 INFO kablam! error: aborting due to 2 previous errors
Sep 14 12:27:33.928 INFO kablam! 
Sep 14 12:27:33.928 INFO kablam! Some errors occurred: E0463, E0464.
Sep 14 12:27:33.928 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 14 12:27:33.963 INFO kablam! error: Could not compile `num-bigint`.
Sep 14 12:27:33.963 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 12:27:34.814 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 14 12:27:34.814 INFO kablam!  --> benches/bigint.rs:6:1
Sep 14 12:27:34.814 INFO kablam!   |
Sep 14 12:27:34.814 INFO kablam! 6 | extern crate rand;
Sep 14 12:27:34.814 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 14 12:27:34.820 INFO kablam!   |
Sep 14 12:27:34.820 INFO kablam!   = note: candidates:
Sep 14 12:27:34.820 INFO kablam!           crate `rand`: /rustup-home/toolchains/87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-a3a81409258fa158.rlib
Sep 14 12:27:34.820 INFO kablam!           crate `rand`: /rustup-home/toolchains/87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-756977fb4f6429f8.rlib
Sep 14 12:27:34.820 INFO kablam! 
Sep 14 12:27:34.820 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 14 12:27:34.820 INFO kablam!  --> benches/bigint.rs:6:1
Sep 14 12:27:34.820 INFO kablam!   |
Sep 14 12:27:34.820 INFO kablam! 6 | extern crate rand;
Sep 14 12:27:34.820 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 14 12:27:34.820 INFO kablam! 
Sep 14 12:27:34.820 INFO kablam! error: aborting due to 2 previous errors
Sep 14 12:27:34.820 INFO kablam! 
Sep 14 12:27:34.820 INFO kablam! Some errors occurred: E0463, E0464.
Sep 14 12:27:34.820 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 14 12:27:34.847 INFO kablam! error: Could not compile `num-bigint`.
Sep 14 12:27:34.847 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 12:27:36.283 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 12:27:36.283 INFO kablam!    --> tests/biguint.rs:769:5
Sep 14 12:27:36.283 INFO kablam!     |
Sep 14 12:27:36.283 INFO kablam! 769 |     a - b;
Sep 14 12:27:36.283 INFO kablam!     |     ^^^^^
Sep 14 12:27:36.283 INFO kablam!     |
Sep 14 12:27:36.283 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 12:27:36.283 INFO kablam! 
Sep 14 12:27:36.360 INFO kablam! error: build failed
Sep 14 12:27:36.363 INFO kablam! su: No module specific data is present
Sep 14 12:27:37.165 INFO running `"docker" "rm" "-f" "290c6f5df06aaf3057ef5b4cb02c64ba1930a2ecb1d25bbcc2b1e3f526186aa4"`
Sep 14 12:27:37.250 INFO blam! 290c6f5df06aaf3057ef5b4cb02c64ba1930a2ecb1d25bbcc2b1e3f526186aa4