Dec 17 21:43:37.767 INFO checking karuna/hangar against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:43:37.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/karuna/hangar:/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=forbid" "-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:43:38.121 INFO [stdout] a2f7a39ed574a8554c6665251111444470a94f69077f9e98c48e22e52987727f
Dec 17 21:43:38.126 INFO running `"docker" "start" "-a" "a2f7a39ed574a8554c6665251111444470a94f69077f9e98c48e22e52987727f"`
Dec 17 21:43:40.564 INFO [stderr]     Checking regex-syntax v0.5.0
Dec 17 21:43:40.564 INFO [stderr]     Checking serde_json v1.0.11
Dec 17 21:43:40.564 INFO [stderr]     Checking serde_json v0.9.10
Dec 17 21:43:40.564 INFO [stderr]    Compiling pest_derive v1.0.6
Dec 17 21:43:40.564 INFO [stderr]     Checking error-chain v0.11.0
Dec 17 21:43:45.944 INFO [stderr]     Checking cargo_metadata v0.1.2
Dec 17 21:43:54.528 INFO [stderr]     Checking regex v0.2.7
Dec 17 21:43:56.749 INFO [stderr]     Checking cargo-shim v0.1.5
Dec 17 21:43:56.751 INFO [stderr]     Checking tera v0.11.5
Dec 17 21:44:00.710 INFO [stderr]     Checking hangar v0.0.4 (/opt/crater/workdir)
Dec 17 21:44:01.900 INFO [stderr] warning: unused variable: `matches`
Dec 17 21:44:01.900 INFO [stderr]   --> src/main.rs:37:54
Dec 17 21:44:01.901 INFO [stderr]    |
Dec 17 21:44:01.901 INFO [stderr] 37 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
Dec 17 21:44:01.901 INFO [stderr]    |                                                      ^^^^^^^ help: consider using `_matches` instead
Dec 17 21:44:01.902 INFO [stderr]    |
Dec 17 21:44:01.902 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:44:01.902 INFO [stderr] 
Dec 17 21:44:01.902 INFO [stderr] warning: unused variable: `matches`
Dec 17 21:44:01.903 INFO [stderr]   --> src/main.rs:40:24
Dec 17 21:44:01.903 INFO [stderr]    |
Dec 17 21:44:01.903 INFO [stderr] 40 |     } else if let Some(matches) = matches.subcommand_matches("db") {
Dec 17 21:44:01.903 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 17 21:44:01.904 INFO [stderr] 
Dec 17 21:44:01.904 INFO [stderr] warning: unused variable: `matches`
Dec 17 21:44:01.904 INFO [stderr]   --> src/main.rs:44:24
Dec 17 21:44:01.904 INFO [stderr]    |
Dec 17 21:44:01.905 INFO [stderr] 44 |     } else if let Some(matches) = matches.subcommand_matches("run") {
Dec 17 21:44:01.905 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 17 21:44:01.905 INFO [stderr] 
Dec 17 21:44:01.944 INFO [stderr] warning: unused variable: `matches`
Dec 17 21:44:01.945 INFO [stderr]   --> src/main.rs:37:54
Dec 17 21:44:01.945 INFO [stderr]    |
Dec 17 21:44:01.945 INFO [stderr] 37 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
Dec 17 21:44:01.945 INFO [stderr]    |                                                      ^^^^^^^ help: consider using `_matches` instead
Dec 17 21:44:01.946 INFO [stderr]    |
Dec 17 21:44:01.946 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:44:01.946 INFO [stderr] 
Dec 17 21:44:01.946 INFO [stderr] warning: unused variable: `matches`
Dec 17 21:44:01.947 INFO [stderr]   --> src/main.rs:40:24
Dec 17 21:44:01.947 INFO [stderr]    |
Dec 17 21:44:01.947 INFO [stderr] 40 |     } else if let Some(matches) = matches.subcommand_matches("db") {
Dec 17 21:44:01.947 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 17 21:44:01.947 INFO [stderr] 
Dec 17 21:44:01.948 INFO [stderr] warning: unused variable: `matches`
Dec 17 21:44:01.948 INFO [stderr]   --> src/main.rs:44:24
Dec 17 21:44:01.948 INFO [stderr]    |
Dec 17 21:44:01.948 INFO [stderr] 44 |     } else if let Some(matches) = matches.subcommand_matches("run") {
Dec 17 21:44:01.949 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 17 21:44:01.949 INFO [stderr] 
Dec 17 21:44:02.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:44:02.025 INFO [stderr]    --> src/generator/mod.rs:125:9
Dec 17 21:44:02.025 INFO [stderr]     |
Dec 17 21:44:02.025 INFO [stderr] 125 |         tera.add_raw_template(var_template_name, var_template_value);
Dec 17 21:44:02.025 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:44:02.026 INFO [stderr]     |
Dec 17 21:44:02.026 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 21:44:02.026 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:44:02.027 INFO [stderr] 
Dec 17 21:44:02.049 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:44:02.049 INFO [stderr]    --> src/generator/mod.rs:125:9
Dec 17 21:44:02.049 INFO [stderr]     |
Dec 17 21:44:02.049 INFO [stderr] 125 |         tera.add_raw_template(var_template_name, var_template_value);
Dec 17 21:44:02.050 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:44:02.050 INFO [stderr]     |
Dec 17 21:44:02.050 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 21:44:02.051 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:44:02.051 INFO [stderr] 
Dec 17 21:44:02.109 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.75s
Dec 17 21:44:04.163 INFO running `"docker" "inspect" "a2f7a39ed574a8554c6665251111444470a94f69077f9e98c48e22e52987727f"`
Dec 17 21:44:04.472 INFO running `"docker" "rm" "-f" "a2f7a39ed574a8554c6665251111444470a94f69077f9e98c48e22e52987727f"`
Dec 17 21:44:04.836 INFO [stdout] a2f7a39ed574a8554c6665251111444470a94f69077f9e98c48e22e52987727f