Dec 17 21:40:48.615 INFO checking kbacha/overload-bounded-async-channel against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:40:48.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/kbacha/overload-bounded-async-channel:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:40:48.860 INFO [stdout] 95f318ae834eb9f08e14cffea49d9339d85ee754a379135bf21532dbcd5f841b
Dec 17 21:40:48.862 INFO running `"docker" "start" "-a" "95f318ae834eb9f08e14cffea49d9339d85ee754a379135bf21532dbcd5f841b"`
Dec 17 21:40:49.508 INFO [stderr]     Checking tokio-io v0.1.7
Dec 17 21:40:50.344 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 17 21:40:50.344 INFO [stderr]     Checking tokio-reactor v0.1.2
Dec 17 21:40:50.344 INFO [stderr]     Checking tokio-fs v0.1.2
Dec 17 21:40:51.022 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 17 21:40:51.022 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 17 21:40:51.388 INFO [stderr]     Checking tokio v0.1.7
Dec 17 21:40:52.232 INFO [stderr]     Checking overload-bounded-async-channel v0.1.0 (/opt/crater/workdir)
Dec 17 21:40:52.716 INFO [stderr] warning: unused import: `futures::prelude::*`
Dec 17 21:40:52.716 INFO [stderr]  --> src/main.rs:5:5
Dec 17 21:40:52.716 INFO [stderr]   |
Dec 17 21:40:52.716 INFO [stderr] 5 | use futures::prelude::*;
Dec 17 21:40:52.716 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 21:40:52.716 INFO [stderr]   |
Dec 17 21:40:52.716 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:40:52.716 INFO [stderr] 
Dec 17 21:40:52.768 INFO [stderr] warning: unused import: `futures::prelude::*`
Dec 17 21:40:52.768 INFO [stderr]  --> src/main.rs:5:5
Dec 17 21:40:52.768 INFO [stderr]   |
Dec 17 21:40:52.768 INFO [stderr] 5 | use futures::prelude::*;
Dec 17 21:40:52.768 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 21:40:52.768 INFO [stderr]   |
Dec 17 21:40:52.768 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:40:52.768 INFO [stderr] 
Dec 17 21:40:52.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
Dec 17 21:40:53.200 INFO running `"docker" "inspect" "95f318ae834eb9f08e14cffea49d9339d85ee754a379135bf21532dbcd5f841b"`
Dec 17 21:40:53.342 INFO running `"docker" "rm" "-f" "95f318ae834eb9f08e14cffea49d9339d85ee754a379135bf21532dbcd5f841b"`
Dec 17 21:40:53.488 INFO [stdout] 95f318ae834eb9f08e14cffea49d9339d85ee754a379135bf21532dbcd5f841b