[INFO] crate netstat 0.7.0 is already in cache
[INFO] extracting crate netstat 0.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/netstat/0.7.0
[INFO] extracting crate netstat 0.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/netstat/0.7.0
[INFO] validating manifest of netstat-0.7.0 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 netstat-0.7.0 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 netstat-0.7.0
[INFO] finished frobbing netstat-0.7.0
[INFO] frobbed toml for netstat-0.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/netstat/0.7.0/Cargo.toml
[INFO] started frobbing netstat-0.7.0
[INFO] finished frobbing netstat-0.7.0
[INFO] frobbed toml for netstat-0.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/netstat/0.7.0/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 netstat-0.7.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/netstat/0.7.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 43478094691ce1988d5d32db88d33295d89c2ebc0cda8725fada38f877c75c65
[INFO] running `"docker" "start" "-a" "43478094691ce1988d5d32db88d33295d89c2ebc0cda8725fada38f877c75c65"`
[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 0.92s
[INFO] running `"docker" "inspect" "43478094691ce1988d5d32db88d33295d89c2ebc0cda8725fada38f877c75c65"`
[INFO] running `"docker" "rm" "-f" "43478094691ce1988d5d32db88d33295d89c2ebc0cda8725fada38f877c75c65"`
[INFO] [stdout] 43478094691ce1988d5d32db88d33295d89c2ebc0cda8725fada38f877c75c65
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/netstat/0.7.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b7e67a0b5209af3f8ee27995083c10ff796451bbaf5cffcf5c04f4143cde14d
[INFO] running `"docker" "start" "-a" "2b7e67a0b5209af3f8ee27995083c10ff796451bbaf5cffcf5c04f4143cde14d"`
[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 1.51s
[INFO] running `"docker" "inspect" "2b7e67a0b5209af3f8ee27995083c10ff796451bbaf5cffcf5c04f4143cde14d"`
[INFO] running `"docker" "rm" "-f" "2b7e67a0b5209af3f8ee27995083c10ff796451bbaf5cffcf5c04f4143cde14d"`
[INFO] [stdout] 2b7e67a0b5209af3f8ee27995083c10ff796451bbaf5cffcf5c04f4143cde14d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/netstat/0.7.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e9a97ddf558c5b3e9fbc873c9c9353c3800f527c6f22619a1437f278f3e35c10
[INFO] running `"docker" "start" "-a" "e9a97ddf558c5b3e9fbc873c9c9353c3800f527c6f22619a1437f278f3e35c10"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/netstat-83e44d12ec10e0ed
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::api_is_consistent ... ok
[INFO] [stdout] test tests::result_is_empty_for_empty_flags ... ok
[INFO] [stdout] test tests::result_is_ok_for_any_flags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "e9a97ddf558c5b3e9fbc873c9c9353c3800f527c6f22619a1437f278f3e35c10"`
[INFO] running `"docker" "rm" "-f" "e9a97ddf558c5b3e9fbc873c9c9353c3800f527c6f22619a1437f278f3e35c10"`
[INFO] [stdout] e9a97ddf558c5b3e9fbc873c9c9353c3800f527c6f22619a1437f278f3e35c10