[INFO] updating cached repository https://github.com/Stratus51/rust_mqtt_bridge
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b207082a96a0f230a324215b4698f1c9fac21d02
[INFO] checking Stratus51/rust_mqtt_bridge against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStratus51%2Frust_mqtt_bridge" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stratus51/rust_mqtt_bridge on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Stratus51/rust_mqtt_bridge
[INFO] finished tweaking git repo https://github.com/Stratus51/rust_mqtt_bridge
[INFO] tweaked toml for git repo https://github.com/Stratus51/rust_mqtt_bridge written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Stratus51/rust_mqtt_bridge already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9793d5b7dffafee236042de08841cc2345cd7f45a1a539a55b7bd0a890094230
[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" "9793d5b7dffafee236042de08841cc2345cd7f45a1a539a55b7bd0a890094230"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling backtrace v0.3.24
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
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[INFO] [stderr]     Checking crossbeam-channel v0.3.8
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[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
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[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.7
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[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
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[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking tokio-rustls v0.8.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]     Checking rumqtt v0.30.1
[INFO] [stderr]     Checking mqtt_bridge_prototype v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `SingleBasicRoute`
[INFO] [stderr]   --> src/main.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | struct SingleBasicRoute {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SingleBasicRouteError`
[INFO] [stderr]   --> src/main.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 | enum SingleBasicRouteError {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_string`
[INFO] [stderr]    --> src/main.rs:84:5
[INFO] [stderr]     |
[INFO] [stderr] 84  | /     fn from_string(
[INFO] [stderr] 85  | |         clients_list: HashMap<String, ClientId>,
[INFO] [stderr] 86  | |         s: &str,
[INFO] [stderr] 87  | |     ) -> Result<SingleBasicRoute, SingleBasicRouteError> {
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |         })
[INFO] [stderr] 123 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start`
[INFO] [stderr]    --> src/main.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn start(mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SingleBasicRoute`
[INFO] [stderr]   --> src/main.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | struct SingleBasicRoute {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SingleBasicRouteError`
[INFO] [stderr]   --> src/main.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 | enum SingleBasicRouteError {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_string`
[INFO] [stderr]    --> src/main.rs:84:5
[INFO] [stderr]     |
[INFO] [stderr] 84  | /     fn from_string(
[INFO] [stderr] 85  | |         clients_list: HashMap<String, ClientId>,
[INFO] [stderr] 86  | |         s: &str,
[INFO] [stderr] 87  | |     ) -> Result<SingleBasicRoute, SingleBasicRouteError> {
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |         })
[INFO] [stderr] 123 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start`
[INFO] [stderr]    --> src/main.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn start(mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "9793d5b7dffafee236042de08841cc2345cd7f45a1a539a55b7bd0a890094230"`
[INFO] running `"docker" "rm" "-f" "9793d5b7dffafee236042de08841cc2345cd7f45a1a539a55b7bd0a890094230"`
[INFO] [stdout] 9793d5b7dffafee236042de08841cc2345cd7f45a1a539a55b7bd0a890094230