Dec 18 02:43:45.833 INFO checking carllhw/tokio-hello-world against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 02:43:45.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/carllhw/tokio-hello-world:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:43:46.200 INFO [stdout] 2feebd76f46f911245c5d331799ebcc0869fb77575c74619e0451ac31227b454
Dec 18 02:43:46.202 INFO running `"docker" "start" "-a" "2feebd76f46f911245c5d331799ebcc0869fb77575c74619e0451ac31227b454"`
Dec 18 02:43:47.351 INFO [stderr]     Checking cfg-if v0.1.4
Dec 18 02:43:47.517 INFO [stderr]     Checking crossbeam-utils v0.3.2
Dec 18 02:43:47.517 INFO [stderr]     Checking net2 v0.2.33
Dec 18 02:43:47.517 INFO [stderr]     Checking log v0.4.3
Dec 18 02:43:48.116 INFO [stderr]     Checking tokio-io v0.1.7
Dec 18 02:43:48.316 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 18 02:43:48.880 INFO [stderr]     Checking mio v0.6.15
Dec 18 02:43:49.688 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 18 02:43:50.548 INFO [stderr]     Checking tokio-threadpool v0.1.5
Dec 18 02:43:50.804 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 18 02:43:51.950 INFO [stderr]     Checking tokio-reactor v0.1.3
Dec 18 02:43:53.230 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 18 02:43:53.245 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 18 02:43:53.253 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 18 02:43:54.436 INFO [stderr]     Checking tokio v0.1.6
Dec 18 02:43:55.484 INFO [stderr]     Checking tokio-hello-world v0.1.0 (/opt/crater/workdir)
Dec 18 02:43:56.216 INFO [stderr] warning: unused import: `tokio::io`
Dec 18 02:43:56.216 INFO [stderr]  --> src/main.rs:3:5
Dec 18 02:43:56.216 INFO [stderr]   |
Dec 18 02:43:56.216 INFO [stderr] 3 | use tokio::io;
Dec 18 02:43:56.216 INFO [stderr]   |     ^^^^^^^^^
Dec 18 02:43:56.216 INFO [stderr]   |
Dec 18 02:43:56.216 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:43:56.216 INFO [stderr] 
Dec 18 02:43:56.275 INFO [stderr] warning: unused import: `tokio::io`
Dec 18 02:43:56.275 INFO [stderr]  --> src/main.rs:3:5
Dec 18 02:43:56.275 INFO [stderr]   |
Dec 18 02:43:56.275 INFO [stderr] 3 | use tokio::io;
Dec 18 02:43:56.275 INFO [stderr]   |     ^^^^^^^^^
Dec 18 02:43:56.275 INFO [stderr]   |
Dec 18 02:43:56.275 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:43:56.275 INFO [stderr] 
Dec 18 02:43:56.368 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.11s
Dec 18 02:43:57.396 INFO running `"docker" "inspect" "2feebd76f46f911245c5d331799ebcc0869fb77575c74619e0451ac31227b454"`
Dec 18 02:43:57.674 INFO running `"docker" "rm" "-f" "2feebd76f46f911245c5d331799ebcc0869fb77575c74619e0451ac31227b454"`
Dec 18 02:43:58.036 INFO [stdout] 2feebd76f46f911245c5d331799ebcc0869fb77575c74619e0451ac31227b454