[INFO] updating cached repository peterdelevoryas/what-color-is-tokio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/peterdelevoryas/what-color-is-tokio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/peterdelevoryas/what-color-is-tokio" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/peterdelevoryas/what-color-is-tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/peterdelevoryas/what-color-is-tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/peterdelevoryas/what-color-is-tokio" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/peterdelevoryas/what-color-is-tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/peterdelevoryas/what-color-is-tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fdf116d92519ed8fb063a410bcd1e57de4e3d6e5
[INFO] sha for GitHub repo peterdelevoryas/what-color-is-tokio: fdf116d92519ed8fb063a410bcd1e57de4e3d6e5
[INFO] validating manifest of peterdelevoryas/what-color-is-tokio on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of peterdelevoryas/what-color-is-tokio on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing peterdelevoryas/what-color-is-tokio
[INFO] finished frobbing peterdelevoryas/what-color-is-tokio
[INFO] frobbed toml for peterdelevoryas/what-color-is-tokio written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/peterdelevoryas/what-color-is-tokio/Cargo.toml
[INFO] started frobbing peterdelevoryas/what-color-is-tokio
[INFO] finished frobbing peterdelevoryas/what-color-is-tokio
[INFO] frobbed toml for peterdelevoryas/what-color-is-tokio written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/peterdelevoryas/what-color-is-tokio/Cargo.toml
[INFO] crate peterdelevoryas/what-color-is-tokio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking peterdelevoryas/what-color-is-tokio against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-7/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/peterdelevoryas/what-color-is-tokio:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a32eb48ed6fb3841b1190237652b601f2d6d37d6e662431d527cc5be06c833e
[INFO] running `"docker" "start" "-a" "7a32eb48ed6fb3841b1190237652b601f2d6d37d6e662431d527cc5be06c833e"`
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling openssl v0.9.6
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking futures v0.1.9
[INFO] [stderr]     Checking mio v0.6.2
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]     Checking tokio-core v0.1.3
[INFO] [stderr]     Checking native-tls v0.1.1
[INFO] [stderr]     Checking what-color-is-tokio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/bin/sync.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let result = match read(&stream, &mut buf).wait() {
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/bin/sync.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let result = match read(&stream, &mut buf).wait() {
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `"docker" "inspect" "7a32eb48ed6fb3841b1190237652b601f2d6d37d6e662431d527cc5be06c833e"`
[INFO] running `"docker" "rm" "-f" "7a32eb48ed6fb3841b1190237652b601f2d6d37d6e662431d527cc5be06c833e"`
[INFO] [stdout] 7a32eb48ed6fb3841b1190237652b601f2d6d37d6e662431d527cc5be06c833e