[INFO] updating cached repository Stratus51/rust_mqtt_bridge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Stratus51/rust_mqtt_bridge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Stratus51/rust_mqtt_bridge" "work/ex/beta-1.38-1/sources/1.37.0/gh/Stratus51/rust_mqtt_bridge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Stratus51/rust_mqtt_bridge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Stratus51/rust_mqtt_bridge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Stratus51/rust_mqtt_bridge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Stratus51/rust_mqtt_bridge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b207082a96a0f230a324215b4698f1c9fac21d02
[INFO] sha for GitHub repo Stratus51/rust_mqtt_bridge: b207082a96a0f230a324215b4698f1c9fac21d02
[INFO] validating manifest of Stratus51/rust_mqtt_bridge 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 Stratus51/rust_mqtt_bridge 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 Stratus51/rust_mqtt_bridge
[INFO] finished frobbing Stratus51/rust_mqtt_bridge
[INFO] frobbed toml for Stratus51/rust_mqtt_bridge written to work/ex/beta-1.38-1/sources/1.37.0/gh/Stratus51/rust_mqtt_bridge/Cargo.toml
[INFO] started frobbing Stratus51/rust_mqtt_bridge
[INFO] finished frobbing Stratus51/rust_mqtt_bridge
[INFO] frobbed toml for Stratus51/rust_mqtt_bridge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Stratus51/rust_mqtt_bridge/Cargo.toml
[INFO] crate Stratus51/rust_mqtt_bridge 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 Stratus51/rust_mqtt_bridge 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/Stratus51/rust_mqtt_bridge:/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] 61ff5ba2a0f5f75153ceff5735c07ebc72e05b4c0328dcb4daf6cb42c79d0e25
[INFO] running `"docker" "start" "-a" "61ff5ba2a0f5f75153ceff5735c07ebc72e05b4c0328dcb4daf6cb42c79d0e25"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling backtrace v0.3.24
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling mio v0.6.18
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.20
[INFO] [stderr]    Compiling webpki v0.18.1
[INFO] [stderr]    Compiling sct v0.4.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling rustls v0.14.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling mqtt311 v0.2.0
[INFO] [stderr]    Compiling tokio-rustls v0.8.1
[INFO] [stderr]    Compiling jsonwebtoken v5.0.1
[INFO] [stderr]    Compiling rumqtt v0.30.1
[INFO] [stderr]    Compiling mqtt_bridge_prototype v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `SingleBasicRoute`
[INFO] [stderr]   --> src/main.rs:68:1
[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:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | enum SingleBasicRouteError {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method 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: method 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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "61ff5ba2a0f5f75153ceff5735c07ebc72e05b4c0328dcb4daf6cb42c79d0e25"`
[INFO] running `"docker" "rm" "-f" "61ff5ba2a0f5f75153ceff5735c07ebc72e05b4c0328dcb4daf6cb42c79d0e25"`
[INFO] [stdout] 61ff5ba2a0f5f75153ceff5735c07ebc72e05b4c0328dcb4daf6cb42c79d0e25
[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/Stratus51/rust_mqtt_bridge:/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] 74ee7f11b95131424dde541b8e7d26d4c8d075711bb6ee2ede86d0233108ccc6
[INFO] running `"docker" "start" "-a" "74ee7f11b95131424dde541b8e7d26d4c8d075711bb6ee2ede86d0233108ccc6"`
[INFO] [stderr]    Compiling mqtt_bridge_prototype v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `SingleBasicRoute`
[INFO] [stderr]   --> src/main.rs:68:1
[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:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | enum SingleBasicRouteError {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method 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: method 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "74ee7f11b95131424dde541b8e7d26d4c8d075711bb6ee2ede86d0233108ccc6"`
[INFO] running `"docker" "rm" "-f" "74ee7f11b95131424dde541b8e7d26d4c8d075711bb6ee2ede86d0233108ccc6"`
[INFO] [stdout] 74ee7f11b95131424dde541b8e7d26d4c8d075711bb6ee2ede86d0233108ccc6
[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/Stratus51/rust_mqtt_bridge:/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] 3b8ccabf21dd006afb7a05106f458ccb0c804b4a726fc914169ed26b13ad5edf
[INFO] running `"docker" "start" "-a" "3b8ccabf21dd006afb7a05106f458ccb0c804b4a726fc914169ed26b13ad5edf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mqtt_bridge_prototype-029f486cc3a11386
[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" "3b8ccabf21dd006afb7a05106f458ccb0c804b4a726fc914169ed26b13ad5edf"`
[INFO] running `"docker" "rm" "-f" "3b8ccabf21dd006afb7a05106f458ccb0c804b4a726fc914169ed26b13ad5edf"`
[INFO] [stdout] 3b8ccabf21dd006afb7a05106f458ccb0c804b4a726fc914169ed26b13ad5edf