Dec 17 22:16:56.814 INFO checking jit-y/diff_json against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:16:56.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:16:57.322 INFO [stdout] b0956080ab47057276cf4a72c713803be885b5dffa9b9e17d78024d5ac1d138c
Dec 17 22:16:57.324 INFO running `"docker" "start" "-a" "b0956080ab47057276cf4a72c713803be885b5dffa9b9e17d78024d5ac1d138c"`
Dec 17 22:16:59.912 INFO [stderr]     Checking diff_json v0.1.0 (/opt/crater/workdir)
Dec 17 22:17:00.212 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 17 22:17:00.212 INFO [stderr]  --> src/prettier.rs:4:1
Dec 17 22:17:00.212 INFO [stderr]   |
Dec 17 22:17:00.212 INFO [stderr] 4 | struct JSONPrettier {
Dec 17 22:17:00.212 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 17 22:17:00.212 INFO [stderr]   |
Dec 17 22:17:00.212 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:17:00.212 INFO [stderr] 
Dec 17 22:17:00.212 INFO [stderr] warning: method is never used: `to_pretty`
Dec 17 22:17:00.212 INFO [stderr]  --> src/prettier.rs:9:5
Dec 17 22:17:00.212 INFO [stderr]   |
Dec 17 22:17:00.212 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 17 22:17:00.212 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:17:00.212 INFO [stderr] 
Dec 17 22:17:00.304 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 17 22:17:00.304 INFO [stderr]  --> src/prettier.rs:4:1
Dec 17 22:17:00.304 INFO [stderr]   |
Dec 17 22:17:00.304 INFO [stderr] 4 | struct JSONPrettier {
Dec 17 22:17:00.304 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 17 22:17:00.304 INFO [stderr]   |
Dec 17 22:17:00.304 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:17:00.304 INFO [stderr] 
Dec 17 22:17:00.304 INFO [stderr] warning: method is never used: `to_pretty`
Dec 17 22:17:00.304 INFO [stderr]  --> src/prettier.rs:9:5
Dec 17 22:17:00.304 INFO [stderr]   |
Dec 17 22:17:00.304 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 17 22:17:00.304 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:17:00.304 INFO [stderr] 
Dec 17 22:17:00.849 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 17 22:17:02.024 INFO running `"docker" "inspect" "b0956080ab47057276cf4a72c713803be885b5dffa9b9e17d78024d5ac1d138c"`
Dec 17 22:17:02.378 INFO running `"docker" "rm" "-f" "b0956080ab47057276cf4a72c713803be885b5dffa9b9e17d78024d5ac1d138c"`
Dec 17 22:17:02.828 INFO [stdout] b0956080ab47057276cf4a72c713803be885b5dffa9b9e17d78024d5ac1d138c