Dec 19 05:52:03.271 INFO checking vwxyzjn/hello_cargo against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:52:03.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/vwxyzjn/hello_cargo:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:52:03.739 INFO [stdout] 3cd1c865f7210c7ac186ecafbff200f89f4a3f0cb68f09cf72e1b08ab1a72e90
Dec 19 05:52:03.742 INFO running `"docker" "start" "-a" "3cd1c865f7210c7ac186ecafbff200f89f4a3f0cb68f09cf72e1b08ab1a72e90"`
Dec 19 05:52:06.600 INFO [stderr]     Checking hello_cargo v0.1.0 (/opt/crater/workdir)
Dec 19 05:52:06.720 INFO [stderr] warning: unused import: `std::io`
Dec 19 05:52:06.720 INFO [stderr]  --> src/main.rs:1:5
Dec 19 05:52:06.720 INFO [stderr]   |
Dec 19 05:52:06.720 INFO [stderr] 1 | use std::io;
Dec 19 05:52:06.720 INFO [stderr]   |     ^^^^^^^
Dec 19 05:52:06.720 INFO [stderr]   |
Dec 19 05:52:06.720 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:52:06.720 INFO [stderr] 
Dec 19 05:52:06.828 INFO [stderr] warning: unused import: `std::io`
Dec 19 05:52:06.828 INFO [stderr]  --> src/main.rs:1:5
Dec 19 05:52:06.828 INFO [stderr]   |
Dec 19 05:52:06.828 INFO [stderr] 1 | use std::io;
Dec 19 05:52:06.828 INFO [stderr]   |     ^^^^^^^
Dec 19 05:52:06.828 INFO [stderr]   |
Dec 19 05:52:06.828 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:52:06.828 INFO [stderr] 
Dec 19 05:52:07.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 19 05:52:08.336 INFO running `"docker" "inspect" "3cd1c865f7210c7ac186ecafbff200f89f4a3f0cb68f09cf72e1b08ab1a72e90"`
Dec 19 05:52:08.660 INFO running `"docker" "rm" "-f" "3cd1c865f7210c7ac186ecafbff200f89f4a3f0cb68f09cf72e1b08ab1a72e90"`
Dec 19 05:52:08.983 INFO [stdout] 3cd1c865f7210c7ac186ecafbff200f89f4a3f0cb68f09cf72e1b08ab1a72e90