Dec 04 16:35:57.004 INFO checking jit-y/diff_json against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:35:57.004 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 16:35:57.691 INFO [stdout] 58cce53aef9a8ac7c8d5efc6e2dff3641517574738303b286c84c4bd31fe23db
Dec 04 16:35:57.693 INFO running `"docker" "start" "-a" "58cce53aef9a8ac7c8d5efc6e2dff3641517574738303b286c84c4bd31fe23db"`
Dec 04 16:35:59.831 INFO [stderr] usermod: no changes
Dec 04 16:35:59.903 INFO [stderr]     Checking diff_json v0.1.0 (/source)
Dec 04 16:36:00.787 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 04 16:36:00.787 INFO [stderr]  --> src/prettier.rs:4:1
Dec 04 16:36:00.787 INFO [stderr]   |
Dec 04 16:36:00.787 INFO [stderr] 4 | struct JSONPrettier {
Dec 04 16:36:00.787 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 04 16:36:00.787 INFO [stderr]   |
Dec 04 16:36:00.787 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:36:00.787 INFO [stderr] 
Dec 04 16:36:00.787 INFO [stderr] warning: method is never used: `to_pretty`
Dec 04 16:36:00.787 INFO [stderr]  --> src/prettier.rs:9:5
Dec 04 16:36:00.787 INFO [stderr]   |
Dec 04 16:36:00.787 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 04 16:36:00.787 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 16:36:00.787 INFO [stderr] 
Dec 04 16:36:00.947 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 04 16:36:00.947 INFO [stderr]  --> src/prettier.rs:4:1
Dec 04 16:36:00.947 INFO [stderr]   |
Dec 04 16:36:00.947 INFO [stderr] 4 | struct JSONPrettier {
Dec 04 16:36:00.947 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 04 16:36:00.947 INFO [stderr]   |
Dec 04 16:36:00.947 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:36:00.947 INFO [stderr] 
Dec 04 16:36:00.951 INFO [stderr] warning: method is never used: `to_pretty`
Dec 04 16:36:00.951 INFO [stderr]  --> src/prettier.rs:9:5
Dec 04 16:36:00.951 INFO [stderr]   |
Dec 04 16:36:00.951 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 04 16:36:00.951 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 16:36:00.951 INFO [stderr] 
Dec 04 16:36:01.867 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Dec 04 16:36:01.879 INFO [stderr] su: No module specific data is present
Dec 04 16:36:03.072 INFO running `"docker" "inspect" "58cce53aef9a8ac7c8d5efc6e2dff3641517574738303b286c84c4bd31fe23db"`
Dec 04 16:36:03.365 INFO running `"docker" "rm" "-f" "58cce53aef9a8ac7c8d5efc6e2dff3641517574738303b286c84c4bd31fe23db"`
Dec 04 16:36:03.767 INFO [stdout] 58cce53aef9a8ac7c8d5efc6e2dff3641517574738303b286c84c4bd31fe23db