[INFO] updating cached repository carllhw/tokio-hello-world
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carllhw/tokio-hello-world
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carllhw/tokio-hello-world" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/carllhw/tokio-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/carllhw/tokio-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carllhw/tokio-hello-world" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/carllhw/tokio-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/carllhw/tokio-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1e7928e2d09fe1311bd31d5b62b28115e4b263f
[INFO] sha for GitHub repo carllhw/tokio-hello-world: f1e7928e2d09fe1311bd31d5b62b28115e4b263f
[INFO] validating manifest of carllhw/tokio-hello-world on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of carllhw/tokio-hello-world on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing carllhw/tokio-hello-world
[INFO] finished frobbing carllhw/tokio-hello-world
[INFO] frobbed toml for carllhw/tokio-hello-world written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/carllhw/tokio-hello-world/Cargo.toml
[INFO] started frobbing carllhw/tokio-hello-world
[INFO] finished frobbing carllhw/tokio-hello-world
[INFO] frobbed toml for carllhw/tokio-hello-world written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/carllhw/tokio-hello-world/Cargo.toml
[INFO] crate carllhw/tokio-hello-world already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking carllhw/tokio-hello-world against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-6/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bbf8548536466b2cdcee812bdfc117fc40c69438ce449e8fc7d43d899f4073f5
[INFO] running `"docker" "start" "-a" "bbf8548536466b2cdcee812bdfc117fc40c69438ce449e8fc7d43d899f4073f5"`
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking tokio-hello-world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `tokio::io`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::io;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::io`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::io;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `"docker" "inspect" "bbf8548536466b2cdcee812bdfc117fc40c69438ce449e8fc7d43d899f4073f5"`
[INFO] running `"docker" "rm" "-f" "bbf8548536466b2cdcee812bdfc117fc40c69438ce449e8fc7d43d899f4073f5"`
[INFO] [stdout] bbf8548536466b2cdcee812bdfc117fc40c69438ce449e8fc7d43d899f4073f5