[INFO] cloning repository zaabjuda/test_tokio
[INFO] running `"git" "clone" "--bare" "git://github.com/zaabjuda/test_tokio.git" "work/cache/sources/gh/zaabjuda/test_tokio"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zaabjuda/test_tokio'...
[INFO] running `"git" "clone" "work/cache/sources/gh/zaabjuda/test_tokio" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zaabjuda/test_tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zaabjuda/test_tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zaabjuda/test_tokio" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zaabjuda/test_tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zaabjuda/test_tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 974f26422703b6b140e1c1cb14d1e9f98573bfb4
[INFO] sha for GitHub repo zaabjuda/test_tokio: 974f26422703b6b140e1c1cb14d1e9f98573bfb4
[INFO] validating manifest of zaabjuda/test_tokio 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 zaabjuda/test_tokio 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 zaabjuda/test_tokio
[INFO] finished frobbing zaabjuda/test_tokio
[INFO] frobbed toml for zaabjuda/test_tokio written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zaabjuda/test_tokio/Cargo.toml
[INFO] started frobbing zaabjuda/test_tokio
[INFO] finished frobbing zaabjuda/test_tokio
[INFO] frobbed toml for zaabjuda/test_tokio written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zaabjuda/test_tokio/Cargo.toml
[INFO] crate zaabjuda/test_tokio 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.4.2
[INFO] [stderr]   Downloaded mio v0.6.6
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zaabjuda/test_tokio against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zaabjuda/test_tokio:/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] 8e6ddb5455b6dd95a74061b979814a45dc631460731c05a25e74f309617cdf9e
[INFO] running `"docker" "start" "-a" "8e6ddb5455b6dd95a74061b979814a45dc631460731c05a25e74f309617cdf9e"`
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking bytes v0.4.2
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BufMut`
[INFO] [stderr]  --> src/codec.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bytes::{BytesMut, BufMut};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufMut`
[INFO] [stderr]  --> src/codec.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bytes::{BytesMut, BufMut};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/service.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn call(&self, req: Self::Request) -> Self::Future {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/service.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn call(&self, req: Self::Request) -> Self::Future {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `"docker" "inspect" "8e6ddb5455b6dd95a74061b979814a45dc631460731c05a25e74f309617cdf9e"`
[INFO] running `"docker" "rm" "-f" "8e6ddb5455b6dd95a74061b979814a45dc631460731c05a25e74f309617cdf9e"`
[INFO] [stdout] 8e6ddb5455b6dd95a74061b979814a45dc631460731c05a25e74f309617cdf9e