[INFO] updating cached repository domsj/rust-sd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/domsj/rust-sd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/domsj/rust-sd" "work/ex/beta-1.37-6/sources/1.36.0/gh/domsj/rust-sd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/domsj/rust-sd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/domsj/rust-sd" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/domsj/rust-sd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/domsj/rust-sd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 756a9ebeb6ab0ce986538fe45cc345d8383220ac
[INFO] sha for GitHub repo domsj/rust-sd: 756a9ebeb6ab0ce986538fe45cc345d8383220ac
[INFO] validating manifest of domsj/rust-sd on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of domsj/rust-sd on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing domsj/rust-sd
[INFO] finished frobbing domsj/rust-sd
[INFO] frobbed toml for domsj/rust-sd written to work/ex/beta-1.37-6/sources/1.36.0/gh/domsj/rust-sd/Cargo.toml
[INFO] started frobbing domsj/rust-sd
[INFO] finished frobbing domsj/rust-sd
[INFO] frobbed toml for domsj/rust-sd written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/domsj/rust-sd/Cargo.toml
[INFO] crate domsj/rust-sd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing domsj/rust-sd against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/domsj/rust-sd:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7caf039ffbfc53a592ae7f73aafa7b4365584990e0ddc2d6ce6b604b56b57103
[INFO] running `"docker" "start" "-a" "7caf039ffbfc53a592ae7f73aafa7b4365584990e0ddc2d6ce6b604b56b57103"`
[INFO] [stderr]    Compiling serde v1.0.23
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.7
[INFO] [stderr]    Compiling rust_sd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `tcp_stream`
[INFO] [stderr]    --> src/main.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let tcp_stream =
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_tcp_stream`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageCodec`
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     struct MessageCodec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.94s
[INFO] running `"docker" "inspect" "7caf039ffbfc53a592ae7f73aafa7b4365584990e0ddc2d6ce6b604b56b57103"`
[INFO] running `"docker" "rm" "-f" "7caf039ffbfc53a592ae7f73aafa7b4365584990e0ddc2d6ce6b604b56b57103"`
[INFO] [stdout] 7caf039ffbfc53a592ae7f73aafa7b4365584990e0ddc2d6ce6b604b56b57103
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/domsj/rust-sd:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6e2a3a538b0b466f8f01ed07e2097dd4d9b49eac24a158cb6defff7e5c989c48
[INFO] running `"docker" "start" "-a" "6e2a3a538b0b466f8f01ed07e2097dd4d9b49eac24a158cb6defff7e5c989c48"`
[INFO] [stderr]    Compiling rust_sd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `tcp_stream`
[INFO] [stderr]    --> src/main.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let tcp_stream =
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_tcp_stream`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageCodec`
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     struct MessageCodec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "6e2a3a538b0b466f8f01ed07e2097dd4d9b49eac24a158cb6defff7e5c989c48"`
[INFO] running `"docker" "rm" "-f" "6e2a3a538b0b466f8f01ed07e2097dd4d9b49eac24a158cb6defff7e5c989c48"`
[INFO] [stdout] 6e2a3a538b0b466f8f01ed07e2097dd4d9b49eac24a158cb6defff7e5c989c48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/domsj/rust-sd:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a39ea247b63b8916663d0a3233eeef974f118d371e21dfbabef0b2f375348bcd
[INFO] running `"docker" "start" "-a" "a39ea247b63b8916663d0a3233eeef974f118d371e21dfbabef0b2f375348bcd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sd-98c28ae8d7e4f2a6
[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" "a39ea247b63b8916663d0a3233eeef974f118d371e21dfbabef0b2f375348bcd"`
[INFO] running `"docker" "rm" "-f" "a39ea247b63b8916663d0a3233eeef974f118d371e21dfbabef0b2f375348bcd"`
[INFO] [stdout] a39ea247b63b8916663d0a3233eeef974f118d371e21dfbabef0b2f375348bcd