[INFO] updating cached repository qultist/tasty-json
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/qultist/tasty-json
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/qultist/tasty-json" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/qultist/tasty-json"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/qultist/tasty-json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/qultist/tasty-json" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/qultist/tasty-json"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/qultist/tasty-json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a66465a66f36313c5bc0968aee0da9b5155294e
[INFO] sha for GitHub repo qultist/tasty-json: 3a66465a66f36313c5bc0968aee0da9b5155294e
[INFO] validating manifest of qultist/tasty-json on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of qultist/tasty-json on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing qultist/tasty-json
[INFO] finished frobbing qultist/tasty-json
[INFO] frobbed toml for qultist/tasty-json written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/qultist/tasty-json/Cargo.toml
[INFO] started frobbing qultist/tasty-json
[INFO] finished frobbing qultist/tasty-json
[INFO] frobbed toml for qultist/tasty-json written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/qultist/tasty-json/Cargo.toml
[INFO] crate qultist/tasty-json already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking qultist/tasty-json against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/qultist/tasty-json:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 669bbd266f492ba94d1e3a68c6ab3af396372f2a13ba9381b12098ef9938f7ae
[INFO] running `"docker" "start" "-a" "669bbd266f492ba94d1e3a68c6ab3af396372f2a13ba9381b12098ef9938f7ae"`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking tasty-json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_f64`
[INFO] [stderr]   --> src/json.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn as_f64(&self) -> Option<f64> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_vec`
[INFO] [stderr]   --> src/json.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn as_vec(&self) -> Option<Vec<Value>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_bool`
[INFO] [stderr]   --> src/json.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn as_bool(&self) -> Option<bool> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `"docker" "inspect" "669bbd266f492ba94d1e3a68c6ab3af396372f2a13ba9381b12098ef9938f7ae"`
[INFO] running `"docker" "rm" "-f" "669bbd266f492ba94d1e3a68c6ab3af396372f2a13ba9381b12098ef9938f7ae"`
[INFO] [stdout] 669bbd266f492ba94d1e3a68c6ab3af396372f2a13ba9381b12098ef9938f7ae