Dec 04 16:35:56.364 INFO checking jit-y/diff_json against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:35:56.364 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 16:35:56.863 INFO [stdout] 9fe34e34054019669347b6977ddeaa22485c0123913b0935003d51e91e05760b
Dec 04 16:35:56.863 INFO running `"docker" "start" "-a" "9fe34e34054019669347b6977ddeaa22485c0123913b0935003d51e91e05760b"`
Dec 04 16:35:58.494 INFO [stderr] usermod: no changes
Dec 04 16:35:58.563 INFO [stderr]     Checking diff_json v0.1.0 (/source)
Dec 04 16:35:59.386 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 04 16:35:59.386 INFO [stderr]  --> src/prettier.rs:4:1
Dec 04 16:35:59.387 INFO [stderr]   |
Dec 04 16:35:59.387 INFO [stderr] 4 | struct JSONPrettier {
Dec 04 16:35:59.387 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 04 16:35:59.387 INFO [stderr]   |
Dec 04 16:35:59.387 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:35:59.387 INFO [stderr] 
Dec 04 16:35:59.388 INFO [stderr] warning: method is never used: `to_pretty`
Dec 04 16:35:59.388 INFO [stderr]  --> src/prettier.rs:9:5
Dec 04 16:35:59.388 INFO [stderr]   |
Dec 04 16:35:59.388 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 04 16:35:59.388 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 16:35:59.388 INFO [stderr] 
Dec 04 16:35:59.459 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 04 16:35:59.459 INFO [stderr]  --> src/prettier.rs:4:1
Dec 04 16:35:59.459 INFO [stderr]   |
Dec 04 16:35:59.459 INFO [stderr] 4 | struct JSONPrettier {
Dec 04 16:35:59.459 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 04 16:35:59.459 INFO [stderr]   |
Dec 04 16:35:59.459 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:35:59.459 INFO [stderr] 
Dec 04 16:35:59.459 INFO [stderr] warning: method is never used: `to_pretty`
Dec 04 16:35:59.459 INFO [stderr]  --> src/prettier.rs:9:5
Dec 04 16:35:59.459 INFO [stderr]   |
Dec 04 16:35:59.459 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 04 16:35:59.459 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 16:35:59.459 INFO [stderr] 
Dec 04 16:36:00.530 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Dec 04 16:36:00.540 INFO [stderr] su: No module specific data is present
Dec 04 16:36:01.857 INFO running `"docker" "inspect" "9fe34e34054019669347b6977ddeaa22485c0123913b0935003d51e91e05760b"`
Dec 04 16:36:02.184 INFO running `"docker" "rm" "-f" "9fe34e34054019669347b6977ddeaa22485c0123913b0935003d51e91e05760b"`
Dec 04 16:36:02.443 INFO [stdout] 9fe34e34054019669347b6977ddeaa22485c0123913b0935003d51e91e05760b