Nov 02 12:37:37.784 INFO checking jit-y/diff_json against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 12:37:37.784 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 12:37:38.322 INFO blam! 4b4ee204cf713b9d4de3c7090c8ea10f78c5fec29adc34c5a03b5e166dd80ce2
Nov 02 12:37:38.323 INFO running `"docker" "start" "-a" "4b4ee204cf713b9d4de3c7090c8ea10f78c5fec29adc34c5a03b5e166dd80ce2"`
Nov 02 12:37:39.690 INFO kablam! usermod: no changes
Nov 02 12:37:39.900 INFO kablam!     Checking diff_json v0.1.0 (/source)
Nov 02 12:37:40.628 INFO kablam! warning: struct is never constructed: `JSONPrettier`
Nov 02 12:37:40.628 INFO kablam!  --> src/prettier.rs:4:1
Nov 02 12:37:40.628 INFO kablam!   |
Nov 02 12:37:40.628 INFO kablam! 4 | struct JSONPrettier {
Nov 02 12:37:40.628 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Nov 02 12:37:40.628 INFO kablam!   |
Nov 02 12:37:40.628 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 12:37:40.628 INFO kablam! 
Nov 02 12:37:40.628 INFO kablam! warning: method is never used: `to_pretty`
Nov 02 12:37:40.628 INFO kablam!  --> src/prettier.rs:9:5
Nov 02 12:37:40.628 INFO kablam!   |
Nov 02 12:37:40.628 INFO kablam! 9 |     pub fn to_pretty() {
Nov 02 12:37:40.628 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 02 12:37:40.628 INFO kablam! 
Nov 02 12:37:40.628 INFO kablam! warning: struct is never constructed: `JSONPrettier`
Nov 02 12:37:40.628 INFO kablam!  --> src/prettier.rs:4:1
Nov 02 12:37:40.628 INFO kablam!   |
Nov 02 12:37:40.628 INFO kablam! 4 | struct JSONPrettier {
Nov 02 12:37:40.628 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Nov 02 12:37:40.628 INFO kablam!   |
Nov 02 12:37:40.628 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 12:37:40.628 INFO kablam! 
Nov 02 12:37:40.629 INFO kablam! warning: method is never used: `to_pretty`
Nov 02 12:37:40.629 INFO kablam!  --> src/prettier.rs:9:5
Nov 02 12:37:40.629 INFO kablam!   |
Nov 02 12:37:40.629 INFO kablam! 9 |     pub fn to_pretty() {
Nov 02 12:37:40.629 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 02 12:37:40.629 INFO kablam! 
Nov 02 12:37:41.665 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Nov 02 12:37:41.680 INFO kablam! su: No module specific data is present
Nov 02 12:37:43.100 INFO running `"docker" "rm" "-f" "4b4ee204cf713b9d4de3c7090c8ea10f78c5fec29adc34c5a03b5e166dd80ce2"`
Nov 02 12:37:43.460 INFO blam! 4b4ee204cf713b9d4de3c7090c8ea10f78c5fec29adc34c5a03b5e166dd80ce2