Nov 07 11:50:40.205 INFO checking nccl-0.4.3 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 11:50:40.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-7/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 07 11:50:40.836 INFO blam! 1cf0ad4d7071e9ae9391921a2b22f70d9a34acd40cd012f1c28a14632cd82add
Nov 07 11:50:40.840 INFO running `"docker" "start" "-a" "1cf0ad4d7071e9ae9391921a2b22f70d9a34acd40cd012f1c28a14632cd82add"`
Nov 07 11:50:41.887 INFO kablam! usermod: no changes
Nov 07 11:50:41.969 INFO kablam!     Checking nccl v0.4.3 (/source)
Nov 07 11:50:43.876 INFO kablam! warning: unused `#[macro_use]` import
Nov 07 11:50:43.876 INFO kablam!  --> tests/nccl.rs:2:1
Nov 07 11:50:43.876 INFO kablam!   |
Nov 07 11:50:43.876 INFO kablam! 2 | #[macro_use]
Nov 07 11:50:43.876 INFO kablam!   | ^^^^^^^^^^^^
Nov 07 11:50:43.876 INFO kablam!   |
Nov 07 11:50:43.876 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 11:50:43.876 INFO kablam! 
Nov 07 11:50:44.027 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Nov 07 11:50:44.030 INFO kablam! su: No module specific data is present
Nov 07 11:50:44.776 INFO running `"docker" "rm" "-f" "1cf0ad4d7071e9ae9391921a2b22f70d9a34acd40cd012f1c28a14632cd82add"`
Nov 07 11:50:45.168 INFO blam! 1cf0ad4d7071e9ae9391921a2b22f70d9a34acd40cd012f1c28a14632cd82add