[INFO] updating cached repository furuhama/network_programming
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/furuhama/network_programming
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/furuhama/network_programming" "work/ex/beta-1.38-1/sources/1.37.0/gh/furuhama/network_programming"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/furuhama/network_programming'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/furuhama/network_programming" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/furuhama/network_programming"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/furuhama/network_programming'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15feeb44c7f8155f333fa6776bfd3decccf3c39d
[INFO] sha for GitHub repo furuhama/network_programming: 15feeb44c7f8155f333fa6776bfd3decccf3c39d
[INFO] validating manifest of furuhama/network_programming 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 furuhama/network_programming 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 furuhama/network_programming
[INFO] finished frobbing furuhama/network_programming
[INFO] frobbed toml for furuhama/network_programming written to work/ex/beta-1.38-1/sources/1.37.0/gh/furuhama/network_programming/Cargo.toml
[INFO] started frobbing furuhama/network_programming
[INFO] finished frobbing furuhama/network_programming
[INFO] frobbed toml for furuhama/network_programming written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/furuhama/network_programming/Cargo.toml
[INFO] crate furuhama/network_programming 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 furuhama/network_programming 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/furuhama/network_programming:/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] 205bceaf4a9024c9101da8824051895157fb0ab3d01b0461c203fa2f58f084e4
[INFO] running `"docker" "start" "-a" "205bceaf4a9024c9101da8824051895157fb0ab3d01b0461c203fa2f58f084e4"`
[INFO] [stderr]    Compiling network_programming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "205bceaf4a9024c9101da8824051895157fb0ab3d01b0461c203fa2f58f084e4"`
[INFO] running `"docker" "rm" "-f" "205bceaf4a9024c9101da8824051895157fb0ab3d01b0461c203fa2f58f084e4"`
[INFO] [stdout] 205bceaf4a9024c9101da8824051895157fb0ab3d01b0461c203fa2f58f084e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/furuhama/network_programming:/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] 7e1b806146efad29782f9c5abf1cb65b80985d6f6f9b35be192d2df3d7b03025
[INFO] running `"docker" "start" "-a" "7e1b806146efad29782f9c5abf1cb65b80985d6f6f9b35be192d2df3d7b03025"`
[INFO] [stderr]    Compiling network_programming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "7e1b806146efad29782f9c5abf1cb65b80985d6f6f9b35be192d2df3d7b03025"`
[INFO] running `"docker" "rm" "-f" "7e1b806146efad29782f9c5abf1cb65b80985d6f6f9b35be192d2df3d7b03025"`
[INFO] [stdout] 7e1b806146efad29782f9c5abf1cb65b80985d6f6f9b35be192d2df3d7b03025
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/furuhama/network_programming:/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] 0edbc0d9449b7ad85e5170fa0f0e33f9cb2c782c987940c4579d12a5e802eb9b
[INFO] running `"docker" "start" "-a" "0edbc0d9449b7ad85e5170fa0f0e33f9cb2c782c987940c4579d12a5e802eb9b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/network_programming-d22d28446fca7756
[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] [stderr]      Running /opt/crater/target/debug/deps/network_programming-9fe6a01b4ef2b6d4
[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] [stderr]    Doc-tests network_programming
[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" "0edbc0d9449b7ad85e5170fa0f0e33f9cb2c782c987940c4579d12a5e802eb9b"`
[INFO] running `"docker" "rm" "-f" "0edbc0d9449b7ad85e5170fa0f0e33f9cb2c782c987940c4579d12a5e802eb9b"`
[INFO] [stdout] 0edbc0d9449b7ad85e5170fa0f0e33f9cb2c782c987940c4579d12a5e802eb9b