Dec 12 00:04:25.121 INFO checking TchupaKabra/tokio-mpsc-test against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:04:25.121 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 00:04:25.574 INFO [stdout] d3cfe714b45266e64501f20e088046dafa268248599f95ac4df2140e5f3cc4fe
Dec 12 00:04:25.584 INFO running `"docker" "start" "-a" "d3cfe714b45266e64501f20e088046dafa268248599f95ac4df2140e5f3cc4fe"`
Dec 12 00:04:26.930 INFO [stderr] usermod: no changes
Dec 12 00:04:27.124 INFO [stderr]     Checking tokio-core v0.1.17
Dec 12 00:04:30.492 INFO [stderr]     Checking futures-spawn v0.1.1
Dec 12 00:04:32.875 INFO [stderr]     Checking futures-threadpool v0.1.0
Dec 12 00:04:35.602 INFO [stderr]     Checking mpsc v0.1.0 (/source)
Dec 12 00:04:40.229 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.27s
Dec 12 00:04:40.236 INFO [stderr] su: No module specific data is present
Dec 12 00:04:41.241 INFO running `"docker" "inspect" "d3cfe714b45266e64501f20e088046dafa268248599f95ac4df2140e5f3cc4fe"`
Dec 12 00:04:41.341 INFO running `"docker" "rm" "-f" "d3cfe714b45266e64501f20e088046dafa268248599f95ac4df2140e5f3cc4fe"`
Dec 12 00:04:41.518 INFO [stdout] d3cfe714b45266e64501f20e088046dafa268248599f95ac4df2140e5f3cc4fe