[INFO] cloning repository https://github.com/kamaboko123/ovs-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamaboko123/ovs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamaboko123%2Fovs-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamaboko123%2Fovs-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 161232451837f13b01b771279e2e786736e8889a
[INFO] checking kamaboko123/ovs-rust against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamaboko123%2Fovs-rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamaboko123/ovs-rust on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kamaboko123/ovs-rust
[INFO] finished tweaking git repo https://github.com/kamaboko123/ovs-rust
[INFO] tweaked toml for git repo https://github.com/kamaboko123/ovs-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kamaboko123/ovs-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be28447188c1492a0f0a8cf9a84da7b262db2e9780776580a2e8cb0ea79816b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "be28447188c1492a0f0a8cf9a84da7b262db2e9780776580a2e8cb0ea79816b6"`
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking ovs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ovs_client.rs:330:24
[INFO] [stderr]     |
[INFO] [stderr] 330 |         let resp_str = try!(
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ovs_client.rs:343:44
[INFO] [stderr]     |
[INFO] [stderr] 343 |         let resp_json: serde_json::Value = try!(
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ovs_client.rs:330:24
[INFO] [stderr]     |
[INFO] [stderr] 330 |         let resp_str = try!(
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ovs_client.rs:343:44
[INFO] [stderr]     |
[INFO] [stderr] 343 |         let resp_json: serde_json::Value = try!(
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[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] 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 17.76s
[INFO] running `"docker" "inspect" "be28447188c1492a0f0a8cf9a84da7b262db2e9780776580a2e8cb0ea79816b6"`
[INFO] running `"docker" "rm" "-f" "be28447188c1492a0f0a8cf9a84da7b262db2e9780776580a2e8cb0ea79816b6"`
[INFO] [stdout] be28447188c1492a0f0a8cf9a84da7b262db2e9780776580a2e8cb0ea79816b6