[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6b436c667b7bbf9aa347baa985071363a03b19121d2acc81a21daefdb57533b6
[INFO] running `"docker" "start" "-a" "6b436c667b7bbf9aa347baa985071363a03b19121d2acc81a21daefdb57533b6"`
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling futures v0.1.9
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]    Compiling openssl 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 19.80s
[INFO] running `"docker" "inspect" "6b436c667b7bbf9aa347baa985071363a03b19121d2acc81a21daefdb57533b6"`
[INFO] running `"docker" "rm" "-f" "6b436c667b7bbf9aa347baa985071363a03b19121d2acc81a21daefdb57533b6"`
[INFO] [stdout] 6b436c667b7bbf9aa347baa985071363a03b19121d2acc81a21daefdb57533b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 68abfd5cc6824e17f641027d808411a0f562822b68ab316263e9683aba87feef
[INFO] running `"docker" "start" "-a" "68abfd5cc6824e17f641027d808411a0f562822b68ab316263e9683aba87feef"`
[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 1.67s
[INFO] running `"docker" "inspect" "68abfd5cc6824e17f641027d808411a0f562822b68ab316263e9683aba87feef"`
[INFO] running `"docker" "rm" "-f" "68abfd5cc6824e17f641027d808411a0f562822b68ab316263e9683aba87feef"`
[INFO] [stdout] 68abfd5cc6824e17f641027d808411a0f562822b68ab316263e9683aba87feef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] eedf3b631fbe6355d63848a87e3d5dc64a1e32d48f239f73eacc7f517b17e2f6
[INFO] running `"docker" "start" "-a" "eedf3b631fbe6355d63848a87e3d5dc64a1e32d48f239f73eacc7f517b17e2f6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async-ba4cdebe8cb71876
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/recv-72389ecbd1d1fe94
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/send-8fc446b924fcb1b1
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sync-6fc8a9599ace4ec3
[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] [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] [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" "eedf3b631fbe6355d63848a87e3d5dc64a1e32d48f239f73eacc7f517b17e2f6"`
[INFO] running `"docker" "rm" "-f" "eedf3b631fbe6355d63848a87e3d5dc64a1e32d48f239f73eacc7f517b17e2f6"`
[INFO] [stdout] eedf3b631fbe6355d63848a87e3d5dc64a1e32d48f239f73eacc7f517b17e2f6