Dec 19 15:09:19.361 INFO checking jit-y/diff_json against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:09:19.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jit-y/diff_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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:09:19.872 INFO [stdout] 7bb80cfa12606a12356afd364b4f5b873ebae60541b2c106d6dd4c554230d9a3
Dec 19 15:09:19.874 INFO running `"docker" "start" "-a" "7bb80cfa12606a12356afd364b4f5b873ebae60541b2c106d6dd4c554230d9a3"`
Dec 19 15:09:22.784 INFO [stderr]     Checking diff_json v0.1.0 (/opt/crater/workdir)
Dec 19 15:09:23.156 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 19 15:09:23.156 INFO [stderr]  --> src/prettier.rs:4:1
Dec 19 15:09:23.156 INFO [stderr]   |
Dec 19 15:09:23.156 INFO [stderr] 4 | struct JSONPrettier {
Dec 19 15:09:23.156 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 15:09:23.176 INFO [stderr]   |
Dec 19 15:09:23.176 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:09:23.176 INFO [stderr] 
Dec 19 15:09:23.176 INFO [stderr] warning: method is never used: `to_pretty`
Dec 19 15:09:23.176 INFO [stderr]  --> src/prettier.rs:9:5
Dec 19 15:09:23.176 INFO [stderr]   |
Dec 19 15:09:23.176 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 19 15:09:23.176 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:09:23.176 INFO [stderr] 
Dec 19 15:09:23.190 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 19 15:09:23.190 INFO [stderr]  --> src/prettier.rs:4:1
Dec 19 15:09:23.190 INFO [stderr]   |
Dec 19 15:09:23.190 INFO [stderr] 4 | struct JSONPrettier {
Dec 19 15:09:23.190 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 15:09:23.190 INFO [stderr]   |
Dec 19 15:09:23.190 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:09:23.190 INFO [stderr] 
Dec 19 15:09:23.190 INFO [stderr] warning: method is never used: `to_pretty`
Dec 19 15:09:23.190 INFO [stderr]  --> src/prettier.rs:9:5
Dec 19 15:09:23.190 INFO [stderr]   |
Dec 19 15:09:23.190 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 19 15:09:23.190 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:09:23.190 INFO [stderr] 
Dec 19 15:09:23.774 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 19 15:09:24.684 INFO running `"docker" "inspect" "7bb80cfa12606a12356afd364b4f5b873ebae60541b2c106d6dd4c554230d9a3"`
Dec 19 15:09:24.914 INFO running `"docker" "rm" "-f" "7bb80cfa12606a12356afd364b4f5b873ebae60541b2c106d6dd4c554230d9a3"`
Dec 19 15:09:25.244 INFO [stdout] 7bb80cfa12606a12356afd364b4f5b873ebae60541b2c106d6dd4c554230d9a3