Dec 05 06:02:16.465 INFO checking stream-combinators-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:02:16.465 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 06:02:16.913 INFO [stdout] 7d12c8e47d6d47400e14dc0475abbad019085e2466717d120772a86ec465044d
Dec 05 06:02:16.915 INFO running `"docker" "start" "-a" "7d12c8e47d6d47400e14dc0475abbad019085e2466717d120772a86ec465044d"`
Dec 05 06:02:17.743 INFO [stderr] usermod: no changes
Dec 05 06:02:17.901 INFO [stderr]     Checking stream-combinators v0.1.0 (/source)
Dec 05 06:02:17.901 INFO [stderr]     Checking tokio-stdin v0.1.1
Dec 05 06:02:18.939 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 06:02:18.939 INFO [stderr]  --> examples/into_pairs.rs:9:41
Dec 05 06:02:18.939 INFO [stderr]   |
Dec 05 06:02:18.939 INFO [stderr] 9 |     let number_stream = iter_ok::<_,()>((0..6));
Dec 05 06:02:18.939 INFO [stderr]   |                                         ^^^^^^ help: remove these parentheses
Dec 05 06:02:18.939 INFO [stderr]   |
Dec 05 06:02:18.939 INFO [stderr]   = note: #[warn(unused_parens)] on by default
Dec 05 06:02:18.939 INFO [stderr] 
Dec 05 06:02:22.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
Dec 05 06:02:22.468 INFO [stderr] su: No module specific data is present
Dec 05 06:02:22.837 INFO running `"docker" "inspect" "7d12c8e47d6d47400e14dc0475abbad019085e2466717d120772a86ec465044d"`
Dec 05 06:02:23.000 INFO running `"docker" "rm" "-f" "7d12c8e47d6d47400e14dc0475abbad019085e2466717d120772a86ec465044d"`
Dec 05 06:02:23.155 INFO [stdout] 7d12c8e47d6d47400e14dc0475abbad019085e2466717d120772a86ec465044d