Sep 21 06:22:18.620 INFO checking num-bigint-0.2.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 06:22:18.620 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 06:22:18.620 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:22:18.787 INFO blam! 279c85d86d5dac871b34625065231ba61aff0a4b0378d0c26c46336b477388fa
Sep 21 06:22:18.789 INFO running `"docker" "start" "-a" "279c85d86d5dac871b34625065231ba61aff0a4b0378d0c26c46336b477388fa"`
Sep 21 06:22:20.003 INFO kablam! usermod: no changes
Sep 21 06:22:20.122 INFO kablam!    Compiling num-bigint v0.2.0 (/source)
Sep 21 06:22:24.764 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 21 06:22:24.764 INFO kablam!  --> benches/bigint.rs:6:1
Sep 21 06:22:24.764 INFO kablam!   |
Sep 21 06:22:24.764 INFO kablam! 6 | extern crate rand;
Sep 21 06:22:24.764 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 21 06:22:24.770 INFO kablam!   |
Sep 21 06:22:24.770 INFO kablam!   = note: candidates:
Sep 21 06:22:24.770 INFO kablam!           crate `rand`: /rustup-home/toolchains/f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-c2db953f7f96ce3d.rlib
Sep 21 06:22:24.770 INFO kablam!           crate `rand`: /rustup-home/toolchains/f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-709b8333b445fb34.rlib
Sep 21 06:22:24.770 INFO kablam! 
Sep 21 06:22:24.774 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 21 06:22:24.774 INFO kablam!  --> benches/bigint.rs:6:1
Sep 21 06:22:24.774 INFO kablam!   |
Sep 21 06:22:24.774 INFO kablam! 6 | extern crate rand;
Sep 21 06:22:24.774 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 21 06:22:24.774 INFO kablam! 
Sep 21 06:22:24.774 INFO kablam! error: aborting due to 2 previous errors
Sep 21 06:22:24.774 INFO kablam! 
Sep 21 06:22:24.774 INFO kablam! Some errors occurred: E0463, E0464.
Sep 21 06:22:24.774 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 21 06:22:24.798 INFO kablam! error: Could not compile `num-bigint`.
Sep 21 06:22:24.798 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 06:22:25.194 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 21 06:22:25.194 INFO kablam!  --> benches/gcd.rs:7:1
Sep 21 06:22:25.194 INFO kablam!   |
Sep 21 06:22:25.194 INFO kablam! 7 | extern crate rand;
Sep 21 06:22:25.194 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 21 06:22:25.194 INFO kablam!   |
Sep 21 06:22:25.194 INFO kablam!   = note: candidates:
Sep 21 06:22:25.194 INFO kablam!           crate `rand`: /rustup-home/toolchains/f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-c2db953f7f96ce3d.rlib
Sep 21 06:22:25.194 INFO kablam!           crate `rand`: /rustup-home/toolchains/f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-709b8333b445fb34.rlib
Sep 21 06:22:25.194 INFO kablam! 
Sep 21 06:22:25.194 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 21 06:22:25.194 INFO kablam!  --> benches/gcd.rs:7:1
Sep 21 06:22:25.194 INFO kablam!   |
Sep 21 06:22:25.194 INFO kablam! 7 | extern crate rand;
Sep 21 06:22:25.194 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 21 06:22:25.194 INFO kablam! 
Sep 21 06:22:25.194 INFO kablam! error: aborting due to 2 previous errors
Sep 21 06:22:25.194 INFO kablam! 
Sep 21 06:22:25.194 INFO kablam! Some errors occurred: E0463, E0464.
Sep 21 06:22:25.194 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 21 06:22:25.226 INFO kablam! error: Could not compile `num-bigint`.
Sep 21 06:22:25.226 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 06:22:27.439 INFO kablam! warning: unused arithmetic operation which must be used
Sep 21 06:22:27.439 INFO kablam!    --> tests/biguint.rs:769:5
Sep 21 06:22:27.439 INFO kablam!     |
Sep 21 06:22:27.439 INFO kablam! 769 |     a - b;
Sep 21 06:22:27.439 INFO kablam!     |     ^^^^^
Sep 21 06:22:27.439 INFO kablam!     |
Sep 21 06:22:27.439 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 06:22:27.439 INFO kablam! 
Sep 21 06:22:27.503 INFO kablam! error: build failed
Sep 21 06:22:27.505 INFO kablam! su: No module specific data is present
Sep 21 06:22:28.107 INFO running `"docker" "rm" "-f" "279c85d86d5dac871b34625065231ba61aff0a4b0378d0c26c46336b477388fa"`
Sep 21 06:22:28.214 INFO blam! 279c85d86d5dac871b34625065231ba61aff0a4b0378d0c26c46336b477388fa