Sep 19 21:57:17.373 INFO checking nccl-0.4.3 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 21:57:17.373 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 21:57:17.373 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 21:57:17.663 INFO blam! f1e73767c371a154e5c4be9dc53ccbd63744391dc4e92396c157624d437973e2
Sep 19 21:57:17.668 INFO running `"docker" "start" "-a" "f1e73767c371a154e5c4be9dc53ccbd63744391dc4e92396c157624d437973e2"`
Sep 19 21:57:18.282 INFO kablam! usermod: no changes
Sep 19 21:57:18.331 INFO kablam!     Checking nccl v0.4.3 (/source)
Sep 19 21:57:19.262 INFO kablam! warning: unused `#[macro_use]` import
Sep 19 21:57:19.263 INFO kablam!  --> tests/nccl.rs:2:1
Sep 19 21:57:19.263 INFO kablam!   |
Sep 19 21:57:19.263 INFO kablam! 2 | #[macro_use]
Sep 19 21:57:19.263 INFO kablam!   | ^^^^^^^^^^^^
Sep 19 21:57:19.263 INFO kablam!   |
Sep 19 21:57:19.263 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 21:57:19.263 INFO kablam! 
Sep 19 21:57:19.414 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Sep 19 21:57:19.414 INFO kablam! su: No module specific data is present
Sep 19 21:57:20.202 INFO running `"docker" "rm" "-f" "f1e73767c371a154e5c4be9dc53ccbd63744391dc4e92396c157624d437973e2"`
Sep 19 21:57:20.311 INFO blam! f1e73767c371a154e5c4be9dc53ccbd63744391dc4e92396c157624d437973e2