[INFO] crate parse_qapi 0.1.2 is already in cache
[INFO] extracting crate parse_qapi 0.1.2 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/parse_qapi/0.1.2
[INFO] extracting crate parse_qapi 0.1.2 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/parse_qapi/0.1.2
[INFO] validating manifest of parse_qapi-0.1.2 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of parse_qapi-0.1.2 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing parse_qapi-0.1.2
[INFO] finished frobbing parse_qapi-0.1.2
[INFO] frobbed toml for parse_qapi-0.1.2 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/parse_qapi/0.1.2/Cargo.toml
[INFO] started frobbing parse_qapi-0.1.2
[INFO] finished frobbing parse_qapi-0.1.2
[INFO] frobbed toml for parse_qapi-0.1.2 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/parse_qapi/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking parse_qapi-0.1.2 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2fffe47ebd182526e15d9b47365474d463d4caa6216f007b9b7b0ee0e47b45a
[INFO] running `"docker" "start" "-a" "b2fffe47ebd182526e15d9b47365474d463d4caa6216f007b9b7b0ee0e47b45a"`
[INFO] [stderr]     Checking json v0.8.8
[INFO] [stderr]     Checking parse_qapi v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]    --> src/lib.rs:202:28
[INFO] [stderr]     |
[INFO] [stderr] 202 |         &JsonValue::Number(num) => "f64".to_string(),
[INFO] [stderr]     |                            ^^^ help: consider prefixing with an underscore: `_num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:203:29
[INFO] [stderr]     |
[INFO] [stderr] 203 |         &JsonValue::Boolean(b) => "bool".to_string(),
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]    --> src/lib.rs:205:32
[INFO] [stderr]     |
[INFO] [stderr] 205 |         &JsonValue::Object(ref map) => "struct".to_string(),
[INFO] [stderr]     |                                ^^^ help: consider prefixing with an underscore: `_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]    --> src/lib.rs:206:31
[INFO] [stderr]     |
[INFO] [stderr] 206 |         &JsonValue::Array(ref values) => "Vec<String>".to_string(),
[INFO] [stderr]     |                               ^^^^^^ help: consider prefixing with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]    --> src/lib.rs:202:28
[INFO] [stderr]     |
[INFO] [stderr] 202 |         &JsonValue::Number(num) => "f64".to_string(),
[INFO] [stderr]     |                            ^^^ help: consider prefixing with an underscore: `_num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:203:29
[INFO] [stderr]     |
[INFO] [stderr] 203 |         &JsonValue::Boolean(b) => "bool".to_string(),
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]    --> src/lib.rs:205:32
[INFO] [stderr]     |
[INFO] [stderr] 205 |         &JsonValue::Object(ref map) => "struct".to_string(),
[INFO] [stderr]     |                                ^^^ help: consider prefixing with an underscore: `_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]    --> src/lib.rs:206:31
[INFO] [stderr]     |
[INFO] [stderr] 206 |         &JsonValue::Array(ref values) => "Vec<String>".to_string(),
[INFO] [stderr]     |                               ^^^^^^ help: consider prefixing with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let x: &[u8] = &[];
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "b2fffe47ebd182526e15d9b47365474d463d4caa6216f007b9b7b0ee0e47b45a"`
[INFO] running `"docker" "rm" "-f" "b2fffe47ebd182526e15d9b47365474d463d4caa6216f007b9b7b0ee0e47b45a"`
[INFO] [stdout] b2fffe47ebd182526e15d9b47365474d463d4caa6216f007b9b7b0ee0e47b45a