Dec 18 13:08:50.908 INFO checking parse_qapi-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:08:50.908 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/parse_qapi/0.1.2:/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 18 13:08:51.346 INFO [stdout] 1fa8ae03006aad1464d7f140e6323b867eafabf4fcd4dc8cd050f7d8262a7217
Dec 18 13:08:51.350 INFO running `"docker" "start" "-a" "1fa8ae03006aad1464d7f140e6323b867eafabf4fcd4dc8cd050f7d8262a7217"`
Dec 18 13:08:52.767 INFO [stderr]     Checking parse_qapi v0.1.2 (/opt/crater/workdir)
Dec 18 13:08:53.033 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:08:53.033 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 13:08:53.033 INFO [stderr]   |
Dec 18 13:08:53.033 INFO [stderr] 1 | #[macro_use]
Dec 18 13:08:53.033 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 13:08:53.033 INFO [stderr]   |
Dec 18 13:08:53.034 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:08:53.034 INFO [stderr] 
Dec 18 13:08:53.197 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:08:53.197 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 13:08:53.197 INFO [stderr]   |
Dec 18 13:08:53.197 INFO [stderr] 1 | #[macro_use]
Dec 18 13:08:53.197 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 13:08:53.197 INFO [stderr]   |
Dec 18 13:08:53.197 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:08:53.197 INFO [stderr] 
Dec 18 13:08:53.224 INFO [stderr] warning: unused variable: `num`
Dec 18 13:08:53.224 INFO [stderr]    --> src/lib.rs:202:28
Dec 18 13:08:53.224 INFO [stderr]     |
Dec 18 13:08:53.224 INFO [stderr] 202 |         &JsonValue::Number(num) => "f64".to_string(),
Dec 18 13:08:53.224 INFO [stderr]     |                            ^^^ help: consider using `_num` instead
Dec 18 13:08:53.224 INFO [stderr]     |
Dec 18 13:08:53.224 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 13:08:53.224 INFO [stderr] 
Dec 18 13:08:53.224 INFO [stderr] warning: unused variable: `b`
Dec 18 13:08:53.224 INFO [stderr]    --> src/lib.rs:203:29
Dec 18 13:08:53.224 INFO [stderr]     |
Dec 18 13:08:53.224 INFO [stderr] 203 |         &JsonValue::Boolean(b) => "bool".to_string(),
Dec 18 13:08:53.224 INFO [stderr]     |                             ^ help: consider using `_b` instead
Dec 18 13:08:53.224 INFO [stderr] 
Dec 18 13:08:53.224 INFO [stderr] warning: unused variable: `map`
Dec 18 13:08:53.225 INFO [stderr]    --> src/lib.rs:205:32
Dec 18 13:08:53.225 INFO [stderr]     |
Dec 18 13:08:53.225 INFO [stderr] 205 |         &JsonValue::Object(ref map) => "struct".to_string(),
Dec 18 13:08:53.225 INFO [stderr]     |                                ^^^ help: consider using `_map` instead
Dec 18 13:08:53.225 INFO [stderr] 
Dec 18 13:08:53.225 INFO [stderr] warning: unused variable: `values`
Dec 18 13:08:53.225 INFO [stderr]    --> src/lib.rs:206:31
Dec 18 13:08:53.225 INFO [stderr]     |
Dec 18 13:08:53.225 INFO [stderr] 206 |         &JsonValue::Array(ref values) => "Vec<String>".to_string(),
Dec 18 13:08:53.225 INFO [stderr]     |                               ^^^^^^ help: consider using `_values` instead
Dec 18 13:08:53.225 INFO [stderr] 
Dec 18 13:08:53.372 INFO [stderr] warning: unused variable: `num`
Dec 18 13:08:53.372 INFO [stderr]    --> src/lib.rs:202:28
Dec 18 13:08:53.372 INFO [stderr]     |
Dec 18 13:08:53.372 INFO [stderr] 202 |         &JsonValue::Number(num) => "f64".to_string(),
Dec 18 13:08:53.372 INFO [stderr]     |                            ^^^ help: consider using `_num` instead
Dec 18 13:08:53.372 INFO [stderr]     |
Dec 18 13:08:53.372 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 13:08:53.372 INFO [stderr] 
Dec 18 13:08:53.372 INFO [stderr] warning: unused variable: `b`
Dec 18 13:08:53.372 INFO [stderr]    --> src/lib.rs:203:29
Dec 18 13:08:53.372 INFO [stderr]     |
Dec 18 13:08:53.372 INFO [stderr] 203 |         &JsonValue::Boolean(b) => "bool".to_string(),
Dec 18 13:08:53.372 INFO [stderr]     |                             ^ help: consider using `_b` instead
Dec 18 13:08:53.372 INFO [stderr] 
Dec 18 13:08:53.372 INFO [stderr] warning: unused variable: `map`
Dec 18 13:08:53.372 INFO [stderr]    --> src/lib.rs:205:32
Dec 18 13:08:53.372 INFO [stderr]     |
Dec 18 13:08:53.373 INFO [stderr] 205 |         &JsonValue::Object(ref map) => "struct".to_string(),
Dec 18 13:08:53.373 INFO [stderr]     |                                ^^^ help: consider using `_map` instead
Dec 18 13:08:53.373 INFO [stderr] 
Dec 18 13:08:53.373 INFO [stderr] warning: unused variable: `values`
Dec 18 13:08:53.373 INFO [stderr]    --> src/lib.rs:206:31
Dec 18 13:08:53.373 INFO [stderr]     |
Dec 18 13:08:53.373 INFO [stderr] 206 |         &JsonValue::Array(ref values) => "Vec<String>".to_string(),
Dec 18 13:08:53.373 INFO [stderr]     |                               ^^^^^^ help: consider using `_values` instead
Dec 18 13:08:53.373 INFO [stderr] 
Dec 18 13:08:53.373 INFO [stderr] warning: unused variable: `x`
Dec 18 13:08:53.373 INFO [stderr]    --> src/lib.rs:160:9
Dec 18 13:08:53.373 INFO [stderr]     |
Dec 18 13:08:53.373 INFO [stderr] 160 |     let x: &[u8] = &[];
Dec 18 13:08:53.373 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 18 13:08:53.373 INFO [stderr] 
Dec 18 13:08:53.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 18 13:08:54.410 INFO running `"docker" "inspect" "1fa8ae03006aad1464d7f140e6323b867eafabf4fcd4dc8cd050f7d8262a7217"`
Dec 18 13:08:54.673 INFO running `"docker" "rm" "-f" "1fa8ae03006aad1464d7f140e6323b867eafabf4fcd4dc8cd050f7d8262a7217"`
Dec 18 13:08:54.823 INFO [stdout] 1fa8ae03006aad1464d7f140e6323b867eafabf4fcd4dc8cd050f7d8262a7217