Oct 12 19:44:47.935 INFO checking jit-y/diff_json against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 19:44:47.937 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 19:44:48.393 INFO blam! 9a73d440decb4132921683f2cfb02a250c9cc96a510be408f6621275f5d043cd
Oct 12 19:44:48.404 INFO running `"docker" "start" "-a" "9a73d440decb4132921683f2cfb02a250c9cc96a510be408f6621275f5d043cd"`
Oct 12 19:44:50.035 INFO kablam! usermod: no changes
Oct 12 19:44:50.193 INFO kablam!     Checking diff_json v0.1.0 (/source)
Oct 12 19:44:50.906 INFO kablam! warning: struct is never constructed: `JSONPrettier`
Oct 12 19:44:50.906 INFO kablam!  --> src/prettier.rs:4:1
Oct 12 19:44:50.906 INFO kablam!   |
Oct 12 19:44:50.906 INFO kablam! 4 | struct JSONPrettier {
Oct 12 19:44:50.906 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Oct 12 19:44:50.906 INFO kablam!   |
Oct 12 19:44:50.906 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:44:50.906 INFO kablam! 
Oct 12 19:44:50.912 INFO kablam! warning: method is never used: `to_pretty`
Oct 12 19:44:50.912 INFO kablam!  --> src/prettier.rs:9:5
Oct 12 19:44:50.912 INFO kablam!   |
Oct 12 19:44:50.912 INFO kablam! 9 |     pub fn to_pretty() {
Oct 12 19:44:50.912 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 19:44:50.912 INFO kablam! 
Oct 12 19:44:51.144 INFO kablam! warning: struct is never constructed: `JSONPrettier`
Oct 12 19:44:51.144 INFO kablam!  --> src/prettier.rs:4:1
Oct 12 19:44:51.144 INFO kablam!   |
Oct 12 19:44:51.144 INFO kablam! 4 | struct JSONPrettier {
Oct 12 19:44:51.144 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Oct 12 19:44:51.144 INFO kablam!   |
Oct 12 19:44:51.144 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:44:51.144 INFO kablam! 
Oct 12 19:44:51.144 INFO kablam! warning: method is never used: `to_pretty`
Oct 12 19:44:51.144 INFO kablam!  --> src/prettier.rs:9:5
Oct 12 19:44:51.144 INFO kablam!   |
Oct 12 19:44:51.144 INFO kablam! 9 |     pub fn to_pretty() {
Oct 12 19:44:51.145 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 19:44:51.145 INFO kablam! 
Oct 12 19:44:52.012 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Oct 12 19:44:52.020 INFO kablam! su: No module specific data is present
Oct 12 19:44:53.100 INFO running `"docker" "rm" "-f" "9a73d440decb4132921683f2cfb02a250c9cc96a510be408f6621275f5d043cd"`
Oct 12 19:44:53.356 INFO blam! 9a73d440decb4132921683f2cfb02a250c9cc96a510be408f6621275f5d043cd