Sep 14 12:27:28.314 INFO checking num-bigint-0.2.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 12:27:28.314 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 12:27:28.314 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:27:28.488 INFO blam! 193800e77cacf4d65a07b7415cac0a9b174ac181e74b7b0e4ce22771bb28ebfe
Sep 14 12:27:28.492 INFO running `"docker" "start" "-a" "193800e77cacf4d65a07b7415cac0a9b174ac181e74b7b0e4ce22771bb28ebfe"`
Sep 14 12:27:29.381 INFO kablam! usermod: no changes
Sep 14 12:27:29.467 INFO kablam!    Compiling num-bigint v0.2.0 (file:///source)
Sep 14 12:27:34.856 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 14 12:27:34.856 INFO kablam!  --> benches/bigint.rs:6:1
Sep 14 12:27:34.856 INFO kablam!   |
Sep 14 12:27:34.856 INFO kablam! 6 | extern crate rand;
Sep 14 12:27:34.856 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 14 12:27:34.856 INFO kablam!   |
Sep 14 12:27:34.856 INFO kablam!   = note: candidates:
Sep 14 12:27:34.856 INFO kablam!           crate `rand`: /rustup-home/toolchains/90d36fb5905bbe5004f5b465ea14b53d10dae260-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-307215464157692f.rlib
Sep 14 12:27:34.856 INFO kablam!           crate `rand`: /rustup-home/toolchains/90d36fb5905bbe5004f5b465ea14b53d10dae260-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-b60d851d0d33791d.rlib
Sep 14 12:27:34.856 INFO kablam! 
Sep 14 12:27:34.856 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 14 12:27:34.856 INFO kablam!  --> benches/bigint.rs:6:1
Sep 14 12:27:34.856 INFO kablam!   |
Sep 14 12:27:34.856 INFO kablam! 6 | extern crate rand;
Sep 14 12:27:34.856 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 14 12:27:34.856 INFO kablam! 
Sep 14 12:27:34.856 INFO kablam! error: aborting due to 2 previous errors
Sep 14 12:27:34.856 INFO kablam! 
Sep 14 12:27:34.856 INFO kablam! Some errors occurred: E0463, E0464.
Sep 14 12:27:34.856 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 14 12:27:34.906 INFO kablam! error: Could not compile `num-bigint`.
Sep 14 12:27:34.907 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 12:27:35.709 INFO kablam! error[E0464]: multiple matching crates for `rand`
Sep 14 12:27:35.709 INFO kablam!  --> benches/gcd.rs:7:1
Sep 14 12:27:35.709 INFO kablam!   |
Sep 14 12:27:35.709 INFO kablam! 7 | extern crate rand;
Sep 14 12:27:35.709 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Sep 14 12:27:35.711 INFO kablam!   |
Sep 14 12:27:35.711 INFO kablam!   = note: candidates:
Sep 14 12:27:35.711 INFO kablam!           crate `rand`: /rustup-home/toolchains/90d36fb5905bbe5004f5b465ea14b53d10dae260-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-307215464157692f.rlib
Sep 14 12:27:35.711 INFO kablam!           crate `rand`: /rustup-home/toolchains/90d36fb5905bbe5004f5b465ea14b53d10dae260-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-b60d851d0d33791d.rlib
Sep 14 12:27:35.711 INFO kablam! 
Sep 14 12:27:35.711 INFO kablam! error[E0463]: can't find crate for `rand`
Sep 14 12:27:35.711 INFO kablam!  --> benches/gcd.rs:7:1
Sep 14 12:27:35.711 INFO kablam!   |
Sep 14 12:27:35.711 INFO kablam! 7 | extern crate rand;
Sep 14 12:27:35.711 INFO kablam!   | ^^^^^^^^^^^^^^^^^^ can't find crate
Sep 14 12:27:35.711 INFO kablam! 
Sep 14 12:27:35.711 INFO kablam! error: aborting due to 2 previous errors
Sep 14 12:27:35.711 INFO kablam! 
Sep 14 12:27:35.711 INFO kablam! Some errors occurred: E0463, E0464.
Sep 14 12:27:35.711 INFO kablam! For more information about an error, try `rustc --explain E0463`.
Sep 14 12:27:35.723 INFO kablam! error: Could not compile `num-bigint`.
Sep 14 12:27:35.723 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 12:27:37.200 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 12:27:37.200 INFO kablam!    --> tests/biguint.rs:769:5
Sep 14 12:27:37.200 INFO kablam!     |
Sep 14 12:27:37.200 INFO kablam! 769 |     a - b;
Sep 14 12:27:37.200 INFO kablam!     |     ^^^^^
Sep 14 12:27:37.200 INFO kablam!     |
Sep 14 12:27:37.200 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 12:27:37.200 INFO kablam! 
Sep 14 12:27:37.591 INFO kablam! error: build failed
Sep 14 12:27:37.592 INFO kablam! su: No module specific data is present
Sep 14 12:27:38.085 INFO running `"docker" "rm" "-f" "193800e77cacf4d65a07b7415cac0a9b174ac181e74b7b0e4ce22771bb28ebfe"`
Sep 14 12:27:38.149 INFO blam! 193800e77cacf4d65a07b7415cac0a9b174ac181e74b7b0e4ce22771bb28ebfe