[INFO] updating cached repository alexmullins/echo-client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexmullins/echo-client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexmullins/echo-client" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexmullins/echo-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexmullins/echo-client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexmullins/echo-client" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexmullins/echo-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexmullins/echo-client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 707cb0447581dafc86dce1c8cb778414705d3e82
[INFO] sha for GitHub repo alexmullins/echo-client: 707cb0447581dafc86dce1c8cb778414705d3e82
[INFO] validating manifest of alexmullins/echo-client 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 alexmullins/echo-client 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 alexmullins/echo-client
[INFO] finished frobbing alexmullins/echo-client
[INFO] frobbed toml for alexmullins/echo-client written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexmullins/echo-client/Cargo.toml
[INFO] started frobbing alexmullins/echo-client
[INFO] finished frobbing alexmullins/echo-client
[INFO] frobbed toml for alexmullins/echo-client written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexmullins/echo-client/Cargo.toml
[INFO] crate alexmullins/echo-client 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 alexmullins/echo-client 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexmullins/echo-client:/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] 20bfc9fcde3534c8b3fb96b4442b88847ab1c9583b32e2c6a2f3dcb1950a7555
[INFO] running `"docker" "start" "-a" "20bfc9fcde3534c8b3fb96b4442b88847ab1c9583b32e2c6a2f3dcb1950a7555"`
[INFO] [stderr]    Compiling echo-client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "20bfc9fcde3534c8b3fb96b4442b88847ab1c9583b32e2c6a2f3dcb1950a7555"`
[INFO] running `"docker" "rm" "-f" "20bfc9fcde3534c8b3fb96b4442b88847ab1c9583b32e2c6a2f3dcb1950a7555"`
[INFO] [stdout] 20bfc9fcde3534c8b3fb96b4442b88847ab1c9583b32e2c6a2f3dcb1950a7555
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexmullins/echo-client:/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] a5cbcd3f4b42aa26fedc1bd8981bf8adb6c7eb09f08ff4b4c95408948c84adb8
[INFO] running `"docker" "start" "-a" "a5cbcd3f4b42aa26fedc1bd8981bf8adb6c7eb09f08ff4b4c95408948c84adb8"`
[INFO] [stderr]    Compiling echo-client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "a5cbcd3f4b42aa26fedc1bd8981bf8adb6c7eb09f08ff4b4c95408948c84adb8"`
[INFO] running `"docker" "rm" "-f" "a5cbcd3f4b42aa26fedc1bd8981bf8adb6c7eb09f08ff4b4c95408948c84adb8"`
[INFO] [stdout] a5cbcd3f4b42aa26fedc1bd8981bf8adb6c7eb09f08ff4b4c95408948c84adb8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexmullins/echo-client:/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] 426cb11fb75a9355885a9b7b8a9740727fe0a5318b13819bc52acf4c1c6e5851
[INFO] running `"docker" "start" "-a" "426cb11fb75a9355885a9b7b8a9740727fe0a5318b13819bc52acf4c1c6e5851"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_client-18680b51966e0661
[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" "426cb11fb75a9355885a9b7b8a9740727fe0a5318b13819bc52acf4c1c6e5851"`
[INFO] running `"docker" "rm" "-f" "426cb11fb75a9355885a9b7b8a9740727fe0a5318b13819bc52acf4c1c6e5851"`
[INFO] [stdout] 426cb11fb75a9355885a9b7b8a9740727fe0a5318b13819bc52acf4c1c6e5851