Nov 01 03:10:23.429 INFO checking jit-y/diff_json against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 03:10:23.429 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 03:10:23.856 INFO blam! f525b30c3b80ac54641f9325cd988b36fc247196faa7182c298630ac13324d43
Nov 01 03:10:23.864 INFO running `"docker" "start" "-a" "f525b30c3b80ac54641f9325cd988b36fc247196faa7182c298630ac13324d43"`
Nov 01 03:10:25.547 INFO kablam! usermod: no changes
Nov 01 03:10:25.632 INFO kablam!     Checking diff_json v0.1.0 (/source)
Nov 01 03:10:26.525 INFO kablam! warning: struct is never constructed: `JSONPrettier`
Nov 01 03:10:26.525 INFO kablam!  --> src/prettier.rs:4:1
Nov 01 03:10:26.525 INFO kablam!   |
Nov 01 03:10:26.525 INFO kablam! 4 | struct JSONPrettier {
Nov 01 03:10:26.525 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Nov 01 03:10:26.525 INFO kablam!   |
Nov 01 03:10:26.525 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 03:10:26.525 INFO kablam! 
Nov 01 03:10:26.527 INFO kablam! warning: method is never used: `to_pretty`
Nov 01 03:10:26.527 INFO kablam!  --> src/prettier.rs:9:5
Nov 01 03:10:26.527 INFO kablam!   |
Nov 01 03:10:26.527 INFO kablam! 9 |     pub fn to_pretty() {
Nov 01 03:10:26.527 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 01 03:10:26.527 INFO kablam! 
Nov 01 03:10:26.660 INFO kablam! warning: struct is never constructed: `JSONPrettier`
Nov 01 03:10:26.661 INFO kablam!  --> src/prettier.rs:4:1
Nov 01 03:10:26.661 INFO kablam!   |
Nov 01 03:10:26.662 INFO kablam! 4 | struct JSONPrettier {
Nov 01 03:10:26.662 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Nov 01 03:10:26.663 INFO kablam!   |
Nov 01 03:10:26.664 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 03:10:26.664 INFO kablam! 
Nov 01 03:10:26.665 INFO kablam! warning: method is never used: `to_pretty`
Nov 01 03:10:26.666 INFO kablam!  --> src/prettier.rs:9:5
Nov 01 03:10:26.666 INFO kablam!   |
Nov 01 03:10:26.667 INFO kablam! 9 |     pub fn to_pretty() {
Nov 01 03:10:26.667 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 01 03:10:26.668 INFO kablam! 
Nov 01 03:10:27.455 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
Nov 01 03:10:27.459 INFO kablam! su: No module specific data is present
Nov 01 03:10:28.640 INFO running `"docker" "rm" "-f" "f525b30c3b80ac54641f9325cd988b36fc247196faa7182c298630ac13324d43"`
Nov 01 03:10:28.912 INFO blam! f525b30c3b80ac54641f9325cd988b36fc247196faa7182c298630ac13324d43