Dec 17 17:25:10.873 INFO checking qultist/tasty-json against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:25:10.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/qultist/tasty-json:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:25:11.471 INFO [stdout] 70c5000221c389a519edc9d2b9d8d60224d115456a0ef15067ea64441f63cb4f
Dec 17 17:25:11.474 INFO running `"docker" "start" "-a" "70c5000221c389a519edc9d2b9d8d60224d115456a0ef15067ea64441f63cb4f"`
Dec 17 17:25:13.084 INFO [stderr]     Checking regex v1.0.0
Dec 17 17:25:15.260 INFO [stderr]     Checking nom v4.0.0
Dec 17 17:25:17.008 INFO [stderr]     Checking tasty-json v0.1.0 (/opt/crater/workdir)
Dec 17 17:25:17.380 INFO [stderr] warning: unused import: `std::env`
Dec 17 17:25:17.380 INFO [stderr]  --> src/main.rs:8:5
Dec 17 17:25:17.380 INFO [stderr]   |
Dec 17 17:25:17.380 INFO [stderr] 8 | use std::env;
Dec 17 17:25:17.380 INFO [stderr]   |     ^^^^^^^^
Dec 17 17:25:17.380 INFO [stderr]   |
Dec 17 17:25:17.380 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:25:17.380 INFO [stderr] 
Dec 17 17:25:17.400 INFO [stderr] warning: unused import: `std::env`
Dec 17 17:25:17.400 INFO [stderr]  --> src/main.rs:8:5
Dec 17 17:25:17.400 INFO [stderr]   |
Dec 17 17:25:17.400 INFO [stderr] 8 | use std::env;
Dec 17 17:25:17.400 INFO [stderr]   |     ^^^^^^^^
Dec 17 17:25:17.400 INFO [stderr]   |
Dec 17 17:25:17.400 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:25:17.400 INFO [stderr] 
Dec 17 17:25:17.836 INFO [stderr] warning: method is never used: `as_f64`
Dec 17 17:25:17.836 INFO [stderr]   --> src/json.rs:26:5
Dec 17 17:25:17.836 INFO [stderr]    |
Dec 17 17:25:17.836 INFO [stderr] 26 |     pub fn as_f64(&self) -> Option<f64> {
Dec 17 17:25:17.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:25:17.836 INFO [stderr]    |
Dec 17 17:25:17.836 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:25:17.836 INFO [stderr] 
Dec 17 17:25:17.836 INFO [stderr] warning: method is never used: `as_vec`
Dec 17 17:25:17.836 INFO [stderr]   --> src/json.rs:42:5
Dec 17 17:25:17.836 INFO [stderr]    |
Dec 17 17:25:17.836 INFO [stderr] 42 |     pub fn as_vec(&self) -> Option<Vec<Value>> {
Dec 17 17:25:17.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:25:17.836 INFO [stderr] 
Dec 17 17:25:17.836 INFO [stderr] warning: method is never used: `as_bool`
Dec 17 17:25:17.836 INFO [stderr]   --> src/json.rs:50:5
Dec 17 17:25:17.836 INFO [stderr]    |
Dec 17 17:25:17.836 INFO [stderr] 50 |     pub fn as_bool(&self) -> Option<bool> {
Dec 17 17:25:17.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:25:17.836 INFO [stderr] 
Dec 17 17:25:17.897 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
Dec 17 17:25:18.535 INFO running `"docker" "inspect" "70c5000221c389a519edc9d2b9d8d60224d115456a0ef15067ea64441f63cb4f"`
Dec 17 17:25:18.810 INFO running `"docker" "rm" "-f" "70c5000221c389a519edc9d2b9d8d60224d115456a0ef15067ea64441f63cb4f"`
Dec 17 17:25:19.108 INFO [stdout] 70c5000221c389a519edc9d2b9d8d60224d115456a0ef15067ea64441f63cb4f