Dec 12 10:15:27.688 INFO checking parse_qapi-0.1.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 10:15:27.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 10:15:27.998 INFO [stdout] 6ae7555c7dec00ed73c1fd7aafa60b786158d06eef9a59afead0e00b1c9291d6
Dec 12 10:15:28.002 INFO running `"docker" "start" "-a" "6ae7555c7dec00ed73c1fd7aafa60b786158d06eef9a59afead0e00b1c9291d6"`
Dec 12 10:15:29.034 INFO [stderr] usermod: no changes
Dec 12 10:15:29.069 INFO [stderr]     Checking json v0.8.8
Dec 12 10:15:30.116 INFO [stderr]     Checking parse_qapi v0.1.2 (/source)
Dec 12 10:15:30.775 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 10:15:30.775 INFO [stderr]  --> src/lib.rs:1:1
Dec 12 10:15:30.775 INFO [stderr]   |
Dec 12 10:15:30.775 INFO [stderr] 1 | #[macro_use]
Dec 12 10:15:30.775 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 10:15:30.775 INFO [stderr]   |
Dec 12 10:15:30.775 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 10:15:30.775 INFO [stderr] 
Dec 12 10:15:30.932 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 10:15:30.932 INFO [stderr]  --> src/lib.rs:1:1
Dec 12 10:15:30.932 INFO [stderr]   |
Dec 12 10:15:30.932 INFO [stderr] 1 | #[macro_use]
Dec 12 10:15:30.932 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 10:15:30.932 INFO [stderr]   |
Dec 12 10:15:30.932 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 10:15:30.932 INFO [stderr] 
Dec 12 10:15:30.984 INFO [stderr] warning: unused variable: `num`
Dec 12 10:15:30.984 INFO [stderr]    --> src/lib.rs:202:28
Dec 12 10:15:30.984 INFO [stderr]     |
Dec 12 10:15:30.984 INFO [stderr] 202 |         &JsonValue::Number(num) => "f64".to_string(),
Dec 12 10:15:30.984 INFO [stderr]     |                            ^^^ help: consider using `_num` instead
Dec 12 10:15:30.984 INFO [stderr]     |
Dec 12 10:15:30.984 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 10:15:30.984 INFO [stderr] 
Dec 12 10:15:30.984 INFO [stderr] warning: unused variable: `b`
Dec 12 10:15:30.984 INFO [stderr]    --> src/lib.rs:203:29
Dec 12 10:15:30.984 INFO [stderr]     |
Dec 12 10:15:30.984 INFO [stderr] 203 |         &JsonValue::Boolean(b) => "bool".to_string(),
Dec 12 10:15:30.984 INFO [stderr]     |                             ^ help: consider using `_b` instead
Dec 12 10:15:30.984 INFO [stderr] 
Dec 12 10:15:30.984 INFO [stderr] warning: unused variable: `map`
Dec 12 10:15:30.984 INFO [stderr]    --> src/lib.rs:205:32
Dec 12 10:15:30.984 INFO [stderr]     |
Dec 12 10:15:30.984 INFO [stderr] 205 |         &JsonValue::Object(ref map) => "struct".to_string(),
Dec 12 10:15:30.984 INFO [stderr]     |                                ^^^ help: consider using `_map` instead
Dec 12 10:15:30.984 INFO [stderr] 
Dec 12 10:15:30.985 INFO [stderr] warning: unused variable: `values`
Dec 12 10:15:30.985 INFO [stderr]    --> src/lib.rs:206:31
Dec 12 10:15:30.985 INFO [stderr]     |
Dec 12 10:15:30.985 INFO [stderr] 206 |         &JsonValue::Array(ref values) => "Vec<String>".to_string(),
Dec 12 10:15:30.985 INFO [stderr]     |                               ^^^^^^ help: consider using `_values` instead
Dec 12 10:15:30.985 INFO [stderr] 
Dec 12 10:15:31.120 INFO [stderr] warning: unused variable: `num`
Dec 12 10:15:31.120 INFO [stderr]    --> src/lib.rs:202:28
Dec 12 10:15:31.120 INFO [stderr]     |
Dec 12 10:15:31.120 INFO [stderr] 202 |         &JsonValue::Number(num) => "f64".to_string(),
Dec 12 10:15:31.120 INFO [stderr]     |                            ^^^ help: consider using `_num` instead
Dec 12 10:15:31.120 INFO [stderr]     |
Dec 12 10:15:31.120 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 10:15:31.120 INFO [stderr] 
Dec 12 10:15:31.120 INFO [stderr] warning: unused variable: `b`
Dec 12 10:15:31.120 INFO [stderr]    --> src/lib.rs:203:29
Dec 12 10:15:31.120 INFO [stderr]     |
Dec 12 10:15:31.120 INFO [stderr] 203 |         &JsonValue::Boolean(b) => "bool".to_string(),
Dec 12 10:15:31.120 INFO [stderr]     |                             ^ help: consider using `_b` instead
Dec 12 10:15:31.120 INFO [stderr] 
Dec 12 10:15:31.120 INFO [stderr] warning: unused variable: `map`
Dec 12 10:15:31.120 INFO [stderr]    --> src/lib.rs:205:32
Dec 12 10:15:31.121 INFO [stderr]     |
Dec 12 10:15:31.121 INFO [stderr] 205 |         &JsonValue::Object(ref map) => "struct".to_string(),
Dec 12 10:15:31.121 INFO [stderr]     |                                ^^^ help: consider using `_map` instead
Dec 12 10:15:31.121 INFO [stderr] 
Dec 12 10:15:31.121 INFO [stderr] warning: unused variable: `values`
Dec 12 10:15:31.121 INFO [stderr]    --> src/lib.rs:206:31
Dec 12 10:15:31.121 INFO [stderr]     |
Dec 12 10:15:31.121 INFO [stderr] 206 |         &JsonValue::Array(ref values) => "Vec<String>".to_string(),
Dec 12 10:15:31.121 INFO [stderr]     |                               ^^^^^^ help: consider using `_values` instead
Dec 12 10:15:31.121 INFO [stderr] 
Dec 12 10:15:31.121 INFO [stderr] warning: unused variable: `x`
Dec 12 10:15:31.121 INFO [stderr]    --> src/lib.rs:160:9
Dec 12 10:15:31.121 INFO [stderr]     |
Dec 12 10:15:31.121 INFO [stderr] 160 |     let x: &[u8] = &[];
Dec 12 10:15:31.121 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 12 10:15:31.121 INFO [stderr] 
Dec 12 10:15:32.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Dec 12 10:15:32.012 INFO [stderr] su: No module specific data is present
Dec 12 10:15:32.682 INFO running `"docker" "inspect" "6ae7555c7dec00ed73c1fd7aafa60b786158d06eef9a59afead0e00b1c9291d6"`
Dec 12 10:15:32.950 INFO running `"docker" "rm" "-f" "6ae7555c7dec00ed73c1fd7aafa60b786158d06eef9a59afead0e00b1c9291d6"`
Dec 12 10:15:33.044 INFO [stdout] 6ae7555c7dec00ed73c1fd7aafa60b786158d06eef9a59afead0e00b1c9291d6