Sep 17 20:58:41.777 INFO checking nccl-0.4.3 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 20:58:41.777 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 20:58:41.777 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:58:42.159 INFO blam! e462f029b1477fe2862648987fffe28230b714f8d9d0060a657a05348dc6e468
Sep 17 20:58:42.161 INFO running `"docker" "start" "-a" "e462f029b1477fe2862648987fffe28230b714f8d9d0060a657a05348dc6e468"`
Sep 17 20:58:43.475 INFO kablam! usermod: no changes
Sep 17 20:58:43.551 INFO kablam!     Checking nccl v0.4.3 (/source)
Sep 17 20:58:44.831 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 20:58:44.831 INFO kablam!  --> tests/nccl.rs:2:1
Sep 17 20:58:44.831 INFO kablam!   |
Sep 17 20:58:44.831 INFO kablam! 2 | #[macro_use]
Sep 17 20:58:44.831 INFO kablam!   | ^^^^^^^^^^^^
Sep 17 20:58:44.831 INFO kablam!   |
Sep 17 20:58:44.831 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 20:58:44.831 INFO kablam! 
Sep 17 20:58:45.003 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Sep 17 20:58:45.007 INFO kablam! su: No module specific data is present
Sep 17 20:58:45.817 INFO running `"docker" "rm" "-f" "e462f029b1477fe2862648987fffe28230b714f8d9d0060a657a05348dc6e468"`
Sep 17 20:58:45.979 INFO blam! e462f029b1477fe2862648987fffe28230b714f8d9d0060a657a05348dc6e468