[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/beta-1.38-1/sources/1.37.0/gh/peterdelevoryas/what-color-is-tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/peterdelevoryas/what-color-is-tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/peterdelevoryas/what-color-is-tokio" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/peterdelevoryas/what-color-is-tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of peterdelevoryas/what-color-is-tokio on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing peterdelevoryas/what-color-is-tokio against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/peterdelevoryas/what-color-is-tokio:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 32f1c34f27d482465e84b6e7618d20302937ad1cd3bb03410a4113b6316d1d30
[INFO] running `"docker" "start" "-a" "32f1c34f27d482465e84b6e7618d20302937ad1cd3bb03410a4113b6316d1d30"`
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling openssl v0.9.6
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling futures v0.1.9
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]    Compiling mio v0.6.2
[INFO] [stderr]    Compiling tokio-core v0.1.3
[INFO] [stderr]    Compiling native-tls v0.1.1
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 21.16s
[INFO] running `"docker" "inspect" "32f1c34f27d482465e84b6e7618d20302937ad1cd3bb03410a4113b6316d1d30"`
[INFO] running `"docker" "rm" "-f" "32f1c34f27d482465e84b6e7618d20302937ad1cd3bb03410a4113b6316d1d30"`
[INFO] [stdout] 32f1c34f27d482465e84b6e7618d20302937ad1cd3bb03410a4113b6316d1d30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/peterdelevoryas/what-color-is-tokio:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e3fcf3bcaf6d1eb98d86771e7faa6d05dc19ca92909b00bec74484688a0835bb
[INFO] running `"docker" "start" "-a" "e3fcf3bcaf6d1eb98d86771e7faa6d05dc19ca92909b00bec74484688a0835bb"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "e3fcf3bcaf6d1eb98d86771e7faa6d05dc19ca92909b00bec74484688a0835bb"`
[INFO] running `"docker" "rm" "-f" "e3fcf3bcaf6d1eb98d86771e7faa6d05dc19ca92909b00bec74484688a0835bb"`
[INFO] [stdout] e3fcf3bcaf6d1eb98d86771e7faa6d05dc19ca92909b00bec74484688a0835bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/peterdelevoryas/what-color-is-tokio:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f4d35b2ee08a0382a48a9cb92035bd2911693d430728180e5237612886306eec
[INFO] running `"docker" "start" "-a" "f4d35b2ee08a0382a48a9cb92035bd2911693d430728180e5237612886306eec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async-0e97e58003127e34
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/recv-f2d09faebfaf6bb4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/send-ab76b18b38ee1316
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sync-eee8962c8c39b7d9
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f4d35b2ee08a0382a48a9cb92035bd2911693d430728180e5237612886306eec"`
[INFO] running `"docker" "rm" "-f" "f4d35b2ee08a0382a48a9cb92035bd2911693d430728180e5237612886306eec"`
[INFO] [stdout] f4d35b2ee08a0382a48a9cb92035bd2911693d430728180e5237612886306eec