Dec 19 14:36:14.171 INFO checking karuna/hangar against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:36:14.171 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:36:14.730 INFO [stdout] 07a818a6f615feb65c21206525bbd13bbf4af0c4c783fc3b482f435f2b32d0cb
Dec 19 14:36:14.730 INFO running `"docker" "start" "-a" "07a818a6f615feb65c21206525bbd13bbf4af0c4c783fc3b482f435f2b32d0cb"`
Dec 19 14:36:16.796 INFO [stderr]    Compiling cc v1.0.6
Dec 19 14:36:16.796 INFO [stderr]     Checking serde v1.0.29
Dec 19 14:36:16.808 INFO [stderr]     Checking serde_json v0.9.10
Dec 19 14:36:16.808 INFO [stderr]    Compiling pest_derive v1.0.6
Dec 19 14:36:16.808 INFO [stderr]     Checking regex v0.2.7
Dec 19 14:36:25.458 INFO [stderr]     Checking cargo_metadata v0.1.2
Dec 19 14:36:26.117 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 14:36:28.239 INFO [stderr]     Checking cargo-shim v0.1.5
Dec 19 14:36:45.156 INFO [stderr]     Checking serde_json v1.0.11
Dec 19 14:36:49.087 INFO [stderr]     Checking backtrace v0.3.5
Dec 19 14:36:50.048 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 14:36:50.763 INFO [stderr]     Checking tera v0.11.5
Dec 19 14:36:54.486 INFO [stderr]     Checking hangar v0.0.4 (/opt/crater/workdir)
Dec 19 14:36:55.672 INFO [stderr] warning: unused variable: `matches`
Dec 19 14:36:55.672 INFO [stderr]   --> src/main.rs:37:54
Dec 19 14:36:55.672 INFO [stderr]    |
Dec 19 14:36:55.672 INFO [stderr] 37 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
Dec 19 14:36:55.672 INFO [stderr]    |                                                      ^^^^^^^ help: consider using `_matches` instead
Dec 19 14:36:55.672 INFO [stderr]    |
Dec 19 14:36:55.672 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:36:55.672 INFO [stderr] 
Dec 19 14:36:55.672 INFO [stderr] warning: unused variable: `matches`
Dec 19 14:36:55.672 INFO [stderr]   --> src/main.rs:40:24
Dec 19 14:36:55.672 INFO [stderr]    |
Dec 19 14:36:55.672 INFO [stderr] 40 |     } else if let Some(matches) = matches.subcommand_matches("db") {
Dec 19 14:36:55.672 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 19 14:36:55.672 INFO [stderr] 
Dec 19 14:36:55.672 INFO [stderr] warning: unused variable: `matches`
Dec 19 14:36:55.672 INFO [stderr]   --> src/main.rs:44:24
Dec 19 14:36:55.672 INFO [stderr]    |
Dec 19 14:36:55.676 INFO [stderr] 44 |     } else if let Some(matches) = matches.subcommand_matches("run") {
Dec 19 14:36:55.676 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 19 14:36:55.676 INFO [stderr] warning: unused variable: `matches`
Dec 19 14:36:55.676 INFO [stderr]   --> src/main.rs:37:54
Dec 19 14:36:55.676 INFO [stderr]    |
Dec 19 14:36:55.676 INFO [stderr] 37 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
Dec 19 14:36:55.676 INFO [stderr]    |                                                      ^^^^^^^ help: consider using `_matches` instead
Dec 19 14:36:55.676 INFO [stderr]    |
Dec 19 14:36:55.676 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:36:55.676 INFO [stderr] 
Dec 19 14:36:55.676 INFO [stderr] warning: unused variable: `matches`
Dec 19 14:36:55.676 INFO [stderr]   --> src/main.rs:40:24
Dec 19 14:36:55.677 INFO [stderr]    |
Dec 19 14:36:55.677 INFO [stderr] 40 |     } else if let Some(matches) = matches.subcommand_matches("db") {
Dec 19 14:36:55.677 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 19 14:36:55.677 INFO [stderr] 
Dec 19 14:36:55.677 INFO [stderr] warning: unused variable: `matches`
Dec 19 14:36:55.677 INFO [stderr]   --> src/main.rs:44:24
Dec 19 14:36:55.677 INFO [stderr]    |
Dec 19 14:36:55.677 INFO [stderr] 44 |     } else if let Some(matches) = matches.subcommand_matches("run") {
Dec 19 14:36:55.677 INFO [stderr]    |                        ^^^^^^^ help: consider using `_matches` instead
Dec 19 14:36:55.677 INFO [stderr] 
Dec 19 14:36:55.677 INFO [stderr] 
Dec 19 14:36:55.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 14:36:55.784 INFO [stderr]    --> src/generator/mod.rs:125:9
Dec 19 14:36:55.785 INFO [stderr]     |
Dec 19 14:36:55.785 INFO [stderr] 125 |         tera.add_raw_template(var_template_name, var_template_value);
Dec 19 14:36:55.785 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:36:55.785 INFO [stderr]     |
Dec 19 14:36:55.785 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 14:36:55.786 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 14:36:55.786 INFO [stderr] 
Dec 19 14:36:55.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 14:36:55.793 INFO [stderr]    --> src/generator/mod.rs:125:9
Dec 19 14:36:55.793 INFO [stderr]     |
Dec 19 14:36:55.793 INFO [stderr] 125 |         tera.add_raw_template(var_template_name, var_template_value);
Dec 19 14:36:55.793 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:36:55.793 INFO [stderr]     |
Dec 19 14:36:55.793 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 14:36:55.794 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 14:36:55.794 INFO [stderr] 
Dec 19 14:36:55.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.24s
Dec 19 14:36:57.297 INFO running `"docker" "inspect" "07a818a6f615feb65c21206525bbd13bbf4af0c4c783fc3b482f435f2b32d0cb"`
Dec 19 14:36:57.606 INFO running `"docker" "rm" "-f" "07a818a6f615feb65c21206525bbd13bbf4af0c4c783fc3b482f435f2b32d0cb"`
Dec 19 14:36:57.936 INFO [stdout] 07a818a6f615feb65c21206525bbd13bbf4af0c4c783fc3b482f435f2b32d0cb