Sep 19 23:30:42.637 INFO checking num-bigint-0.2.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 23:30:42.637 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 23:30:42.637 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:30:42.823 INFO blam! b4b334e21664c2a622fdf5bb79b940d29674b6873dc8135f481779c5c94bb404
Sep 19 23:30:42.825 INFO running `"docker" "start" "-a" "b4b334e21664c2a622fdf5bb79b940d29674b6873dc8135f481779c5c94bb404"`
Sep 19 23:30:44.566 INFO kablam! usermod: no changes
Sep 19 23:30:44.710 INFO kablam!    Compiling num-bigint v0.2.0 (/source)
Sep 19 23:30:49.066 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 19 23:30:49.066 INFO kablam!  --> benches/gcd.rs:7:1
Sep 19 23:30:49.066 INFO kablam!   |
Sep 19 23:30:49.066 INFO kablam! 7 | extern crate rand;
Sep 19 23:30:49.066 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 19 23:30:49.066 INFO kablam!   |
Sep 19 23:30:49.066 INFO kablam!   = note: candidates:
Sep 19 23:30:49.066 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-703f361dc3e1a26a.rlib
Sep 19 23:30:49.066 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-07d7b969c35c8830.rlib
Sep 19 23:30:49.066 INFO kablam! 
Sep 19 23:30:49.066 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 19 23:30:49.066 INFO kablam!  --> benches/gcd.rs:7:1
Sep 19 23:30:49.066 INFO kablam!   |
Sep 19 23:30:49.066 INFO kablam! 7 | extern crate rand;
Sep 19 23:30:49.066 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 19 23:30:49.066 INFO kablam! 
Sep 19 23:30:49.066 INFO kablam! error: aborting due to 2 previous errors
Sep 19 23:30:49.066 INFO kablam! 
Sep 19 23:30:49.066 INFO kablam! Some errors occurred: E0463, E0464.
Sep 19 23:30:49.066 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 19 23:30:49.073 INFO kablam! error: Could not compile `num-bigint`.
Sep 19 23:30:49.073 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:30:49.566 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 19 23:30:49.566 INFO kablam!  --> benches/bigint.rs:6:1
Sep 19 23:30:49.566 INFO kablam!   |
Sep 19 23:30:49.566 INFO kablam! 6 | extern crate rand;
Sep 19 23:30:49.566 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 19 23:30:49.566 INFO kablam!   |
Sep 19 23:30:49.566 INFO kablam!   = note: candidates:
Sep 19 23:30:49.566 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-703f361dc3e1a26a.rlib
Sep 19 23:30:49.566 INFO kablam!           crate `rand`: /rustup-home/toolchains/1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-07d7b969c35c8830.rlib
Sep 19 23:30:49.566 INFO kablam! 
Sep 19 23:30:49.566 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 19 23:30:49.566 INFO kablam!  --> benches/bigint.rs:6:1
Sep 19 23:30:49.566 INFO kablam!   |
Sep 19 23:30:49.566 INFO kablam! 6 | extern crate rand;
Sep 19 23:30:49.566 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 19 23:30:49.566 INFO kablam! 
Sep 19 23:30:49.566 INFO kablam! error: aborting due to 2 previous errors
Sep 19 23:30:49.566 INFO kablam! 
Sep 19 23:30:49.566 INFO kablam! Some errors occurred: E0463, E0464.
Sep 19 23:30:49.566 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 19 23:30:49.568 INFO kablam! error: Could not compile `num-bigint`.
Sep 19 23:30:49.568 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:30:50.984 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 23:30:50.984 INFO kablam!    --> tests/biguint.rs:769:5
Sep 19 23:30:50.984 INFO kablam!     |
Sep 19 23:30:50.984 INFO kablam! 769 |     a - b;
Sep 19 23:30:50.984 INFO kablam!     |     ^^^^^
Sep 19 23:30:50.984 INFO kablam!     |
Sep 19 23:30:50.984 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 23:30:50.984 INFO kablam! 
Sep 19 23:30:51.029 INFO kablam! error: build failed
Sep 19 23:30:51.031 INFO kablam! su: No module specific data is present
Sep 19 23:30:51.748 INFO running `"docker" "rm" "-f" "b4b334e21664c2a622fdf5bb79b940d29674b6873dc8135f481779c5c94bb404"`
Sep 19 23:30:51.821 INFO blam! b4b334e21664c2a622fdf5bb79b940d29674b6873dc8135f481779c5c94bb404