[INFO] updating cached repository kamaboko123/ovs-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kamaboko123/ovs-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kamaboko123/ovs-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/kamaboko123/ovs-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kamaboko123/ovs-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kamaboko123/ovs-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamaboko123/ovs-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamaboko123/ovs-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 161232451837f13b01b771279e2e786736e8889a
[INFO] sha for GitHub repo kamaboko123/ovs-rust: 161232451837f13b01b771279e2e786736e8889a
[INFO] validating manifest of kamaboko123/ovs-rust 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 kamaboko123/ovs-rust 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 kamaboko123/ovs-rust
[INFO] finished frobbing kamaboko123/ovs-rust
[INFO] frobbed toml for kamaboko123/ovs-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/kamaboko123/ovs-rust/Cargo.toml
[INFO] started frobbing kamaboko123/ovs-rust
[INFO] finished frobbing kamaboko123/ovs-rust
[INFO] frobbed toml for kamaboko123/ovs-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamaboko123/ovs-rust/Cargo.toml
[INFO] crate kamaboko123/ovs-rust 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 kamaboko123/ovs-rust 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kamaboko123/ovs-rust:/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] 5402e5b6a6bfcf11eba27177a2bae3d08bb4cdbe909449e1dca3d26d12361770
[INFO] running `"docker" "start" "-a" "5402e5b6a6bfcf11eba27177a2bae3d08bb4cdbe909449e1dca3d26d12361770"`
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling ovs-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `bridges`
[INFO] [stderr]    --> src/ovs_client.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let bridges = self.get_bridges()?;
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_bridges`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/ovs_client.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 for p in &b.ports{
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `row_json` is never read
[INFO] [stderr]    --> src/ovs_client.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |         let mut row_json = json!({});
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ovs_client.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let mut query = json!({
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.49s
[INFO] running `"docker" "inspect" "5402e5b6a6bfcf11eba27177a2bae3d08bb4cdbe909449e1dca3d26d12361770"`
[INFO] running `"docker" "rm" "-f" "5402e5b6a6bfcf11eba27177a2bae3d08bb4cdbe909449e1dca3d26d12361770"`
[INFO] [stdout] 5402e5b6a6bfcf11eba27177a2bae3d08bb4cdbe909449e1dca3d26d12361770
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kamaboko123/ovs-rust:/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] 88a2f88b1b98dd08a6ca61ee81029fbc4947baf1a236a115789e7c7ff94e20af
[INFO] running `"docker" "start" "-a" "88a2f88b1b98dd08a6ca61ee81029fbc4947baf1a236a115789e7c7ff94e20af"`
[INFO] [stderr]    Compiling ovs-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `bridges`
[INFO] [stderr]    --> src/ovs_client.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let bridges = self.get_bridges()?;
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_bridges`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/ovs_client.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 for p in &b.ports{
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `row_json` is never read
[INFO] [stderr]    --> src/ovs_client.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |         let mut row_json = json!({});
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ovs_client.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let mut query = json!({
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "88a2f88b1b98dd08a6ca61ee81029fbc4947baf1a236a115789e7c7ff94e20af"`
[INFO] running `"docker" "rm" "-f" "88a2f88b1b98dd08a6ca61ee81029fbc4947baf1a236a115789e7c7ff94e20af"`
[INFO] [stdout] 88a2f88b1b98dd08a6ca61ee81029fbc4947baf1a236a115789e7c7ff94e20af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kamaboko123/ovs-rust:/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] 771e665f0efdee08d6446700ea8be5f42413ff61b158ff7961c352937725d57c
[INFO] running `"docker" "start" "-a" "771e665f0efdee08d6446700ea8be5f42413ff61b158ff7961c352937725d57c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ovs_rust-63f6d2aed0a8e9db
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_ovs_core ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ovs-rust
[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" "771e665f0efdee08d6446700ea8be5f42413ff61b158ff7961c352937725d57c"`
[INFO] running `"docker" "rm" "-f" "771e665f0efdee08d6446700ea8be5f42413ff61b158ff7961c352937725d57c"`
[INFO] [stdout] 771e665f0efdee08d6446700ea8be5f42413ff61b158ff7961c352937725d57c