Sep 17 20:58:41.510 INFO checking nccl-0.4.3 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 20:58:41.510 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 20:58:41.510 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:58:41.761 INFO blam! ee0cd1a4393ce618861a4cc3556cc9ab010bea8aabbbf45d5bb0f4eec2e9a774
Sep 17 20:58:41.763 INFO running `"docker" "start" "-a" "ee0cd1a4393ce618861a4cc3556cc9ab010bea8aabbbf45d5bb0f4eec2e9a774"`
Sep 17 20:58:42.988 INFO kablam! usermod: no changes
Sep 17 20:58:43.035 INFO kablam!     Checking nccl v0.4.3 (/source)
Sep 17 20:58:44.630 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 20:58:44.630 INFO kablam!  --> tests/nccl.rs:2:1
Sep 17 20:58:44.630 INFO kablam!   |
Sep 17 20:58:44.630 INFO kablam! 2 | #[macro_use]
Sep 17 20:58:44.630 INFO kablam!   | ^^^^^^^^^^^^
Sep 17 20:58:44.630 INFO kablam!   |
Sep 17 20:58:44.630 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 20:58:44.630 INFO kablam! 
Sep 17 20:58:44.788 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Sep 17 20:58:44.791 INFO kablam! su: No module specific data is present
Sep 17 20:58:45.644 INFO running `"docker" "rm" "-f" "ee0cd1a4393ce618861a4cc3556cc9ab010bea8aabbbf45d5bb0f4eec2e9a774"`
Sep 17 20:58:45.779 INFO blam! ee0cd1a4393ce618861a4cc3556cc9ab010bea8aabbbf45d5bb0f4eec2e9a774