[INFO] updating cached repository ivxvm/netstat-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ivxvm/netstat-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ivxvm/netstat-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/ivxvm/netstat-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ivxvm/netstat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ivxvm/netstat-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivxvm/netstat-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivxvm/netstat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2010a6f11b2e4890fa80b5a7f09070366760edc
[INFO] sha for GitHub repo ivxvm/netstat-rs: c2010a6f11b2e4890fa80b5a7f09070366760edc
[INFO] validating manifest of ivxvm/netstat-rs 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 ivxvm/netstat-rs 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 ivxvm/netstat-rs
[INFO] finished frobbing ivxvm/netstat-rs
[INFO] frobbed toml for ivxvm/netstat-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/ivxvm/netstat-rs/Cargo.toml
[INFO] started frobbing ivxvm/netstat-rs
[INFO] finished frobbing ivxvm/netstat-rs
[INFO] frobbed toml for ivxvm/netstat-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivxvm/netstat-rs/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 ivxvm/netstat-rs 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/ivxvm/netstat-rs:/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] 60a3dba8da7915686e8f7389b3a9b2571ad12a605049238f40e3617db936d05a
[INFO] running `"docker" "start" "-a" "60a3dba8da7915686e8f7389b3a9b2571ad12a605049238f40e3617db936d05a"`
[INFO] [stderr]    Compiling netstat v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/integrations/linux/netlink_iterator.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try_close(self.socket);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "60a3dba8da7915686e8f7389b3a9b2571ad12a605049238f40e3617db936d05a"`
[INFO] running `"docker" "rm" "-f" "60a3dba8da7915686e8f7389b3a9b2571ad12a605049238f40e3617db936d05a"`
[INFO] [stdout] 60a3dba8da7915686e8f7389b3a9b2571ad12a605049238f40e3617db936d05a
[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/ivxvm/netstat-rs:/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] 9d8fa095ed2aa3dee5ab80d3735e9c48111bdf62e7489401627737d4170a6158
[INFO] running `"docker" "start" "-a" "9d8fa095ed2aa3dee5ab80d3735e9c48111bdf62e7489401627737d4170a6158"`
[INFO] [stderr]    Compiling easybench v0.1.4
[INFO] [stderr]    Compiling netstat v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/integrations/linux/netlink_iterator.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try_close(self.socket);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `"docker" "inspect" "9d8fa095ed2aa3dee5ab80d3735e9c48111bdf62e7489401627737d4170a6158"`
[INFO] running `"docker" "rm" "-f" "9d8fa095ed2aa3dee5ab80d3735e9c48111bdf62e7489401627737d4170a6158"`
[INFO] [stdout] 9d8fa095ed2aa3dee5ab80d3735e9c48111bdf62e7489401627737d4170a6158
[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/ivxvm/netstat-rs:/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] aaebfdf32c4279d42adb9d8650eabd6268506879f31182db6573cbf6602a248e
[INFO] running `"docker" "start" "-a" "aaebfdf32c4279d42adb9d8650eabd6268506879f31182db6573cbf6602a248e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/netstat-e64d1aa269542d1f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::api_is_consistent ... ok
[INFO] [stdout] test tests::result_is_empty_for_empty_flags ... ok
[INFO] [stdout] test tests::every_socket_is_either_tcp_or_udp ... ok
[INFO] [stdout] test tests::result_is_ok_for_any_flags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netstat
[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" "aaebfdf32c4279d42adb9d8650eabd6268506879f31182db6573cbf6602a248e"`
[INFO] running `"docker" "rm" "-f" "aaebfdf32c4279d42adb9d8650eabd6268506879f31182db6573cbf6602a248e"`
[INFO] [stdout] aaebfdf32c4279d42adb9d8650eabd6268506879f31182db6573cbf6602a248e