[INFO] cloning repository jjyr/block-tokio-example
[INFO] running `"git" "clone" "--bare" "git://github.com/jjyr/block-tokio-example.git" "work/cache/sources/gh/jjyr/block-tokio-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jjyr/block-tokio-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jjyr/block-tokio-example" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jjyr/block-tokio-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jjyr/block-tokio-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jjyr/block-tokio-example" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jjyr/block-tokio-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jjyr/block-tokio-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24ce92a17eb2a46a383ac7c18fa24015ed11b9c0
[INFO] sha for GitHub repo jjyr/block-tokio-example: 24ce92a17eb2a46a383ac7c18fa24015ed11b9c0
[INFO] validating manifest of jjyr/block-tokio-example on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jjyr/block-tokio-example on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jjyr/block-tokio-example
[INFO] finished frobbing jjyr/block-tokio-example
[INFO] frobbed toml for jjyr/block-tokio-example written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jjyr/block-tokio-example/Cargo.toml
[INFO] started frobbing jjyr/block-tokio-example
[INFO] finished frobbing jjyr/block-tokio-example
[INFO] frobbed toml for jjyr/block-tokio-example written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jjyr/block-tokio-example/Cargo.toml
[INFO] crate jjyr/block-tokio-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jjyr/block-tokio-example against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jjyr/block-tokio-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 957e9ef93df2ac977b896dc7ee1907c93625de9cad10417f55e77d59348af8be
[INFO] running `"docker" "start" "-a" "957e9ef93df2ac977b896dc7ee1907c93625de9cad10417f55e77d59348af8be"`
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Async`, `IntoFuture`, `Poll`
[INFO] [stderr]  --> src/main.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::prelude::{future, Async, IntoFuture, Poll, Stream};
[INFO] [stderr]   |                              ^^^^^  ^^^^^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::runtime::current_thread`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::runtime::current_thread;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::runtime::Runtime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Async`, `IntoFuture`, `Poll`
[INFO] [stderr]  --> src/main.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::prelude::{future, Async, IntoFuture, Poll, Stream};
[INFO] [stderr]   |                              ^^^^^  ^^^^^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::runtime::current_thread`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::runtime::current_thread;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::runtime::Runtime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `"docker" "inspect" "957e9ef93df2ac977b896dc7ee1907c93625de9cad10417f55e77d59348af8be"`
[INFO] running `"docker" "rm" "-f" "957e9ef93df2ac977b896dc7ee1907c93625de9cad10417f55e77d59348af8be"`
[INFO] [stdout] 957e9ef93df2ac977b896dc7ee1907c93625de9cad10417f55e77d59348af8be