[INFO] updating cached repository tgeery/RustTcpServer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tgeery/RustTcpServer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tgeery/RustTcpServer" "work/ex/beta-1.38-1/sources/1.37.0/gh/tgeery/RustTcpServer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tgeery/RustTcpServer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tgeery/RustTcpServer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tgeery/RustTcpServer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tgeery/RustTcpServer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2980266af8d9b1b52d41b9804a1ec5c4e5c57204
[INFO] sha for GitHub repo tgeery/RustTcpServer: 2980266af8d9b1b52d41b9804a1ec5c4e5c57204
[INFO] validating manifest of tgeery/RustTcpServer 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 tgeery/RustTcpServer 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 tgeery/RustTcpServer
[INFO] finished frobbing tgeery/RustTcpServer
[INFO] frobbed toml for tgeery/RustTcpServer written to work/ex/beta-1.38-1/sources/1.37.0/gh/tgeery/RustTcpServer/Cargo.toml
[INFO] started frobbing tgeery/RustTcpServer
[INFO] finished frobbing tgeery/RustTcpServer
[INFO] frobbed toml for tgeery/RustTcpServer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tgeery/RustTcpServer/Cargo.toml
[INFO] crate tgeery/RustTcpServer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing tgeery/RustTcpServer 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tgeery/RustTcpServer:/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] 320dd902efe550b69f583a2867d591802a3642800bc4e406cbbcdff6a4d38298
[INFO] running `"docker" "start" "-a" "320dd902efe550b69f583a2867d591802a3642800bc4e406cbbcdff6a4d38298"`
[INFO] [stderr]    Compiling TcpServer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `TcpServer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `tcp_server`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "320dd902efe550b69f583a2867d591802a3642800bc4e406cbbcdff6a4d38298"`
[INFO] running `"docker" "rm" "-f" "320dd902efe550b69f583a2867d591802a3642800bc4e406cbbcdff6a4d38298"`
[INFO] [stdout] 320dd902efe550b69f583a2867d591802a3642800bc4e406cbbcdff6a4d38298
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tgeery/RustTcpServer:/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] 48dd7ab88b78b5c29337041ffe3c0daa533307154408e10180d29ef1072f62c9
[INFO] running `"docker" "start" "-a" "48dd7ab88b78b5c29337041ffe3c0daa533307154408e10180d29ef1072f62c9"`
[INFO] [stderr]    Compiling TcpServer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `TcpServer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `tcp_server`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "48dd7ab88b78b5c29337041ffe3c0daa533307154408e10180d29ef1072f62c9"`
[INFO] running `"docker" "rm" "-f" "48dd7ab88b78b5c29337041ffe3c0daa533307154408e10180d29ef1072f62c9"`
[INFO] [stdout] 48dd7ab88b78b5c29337041ffe3c0daa533307154408e10180d29ef1072f62c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tgeery/RustTcpServer:/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] 729e00d71865aff2dfeb0524485eaa861539f72ee1aea5543491137c6ba76ad7
[INFO] running `"docker" "start" "-a" "729e00d71865aff2dfeb0524485eaa861539f72ee1aea5543491137c6ba76ad7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/TcpServer-4095532c8761798e
[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" "729e00d71865aff2dfeb0524485eaa861539f72ee1aea5543491137c6ba76ad7"`
[INFO] running `"docker" "rm" "-f" "729e00d71865aff2dfeb0524485eaa861539f72ee1aea5543491137c6ba76ad7"`
[INFO] [stdout] 729e00d71865aff2dfeb0524485eaa861539f72ee1aea5543491137c6ba76ad7