Dec 13 15:27:36.654 INFO testing jit-y/diff_json against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 15:27:36.654 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 15:27:37.204 INFO [stdout] ba3ae69a3c355cbd4f7f558d14b51ff858623f51b58f483ac7fe4da0a420ddc9
Dec 13 15:27:37.206 INFO running `"docker" "start" "-a" "ba3ae69a3c355cbd4f7f558d14b51ff858623f51b58f483ac7fe4da0a420ddc9"`
Dec 13 15:27:38.962 INFO [stderr] usermod: no changes
Dec 13 15:27:39.135 INFO [stderr]    Compiling diff_json v0.1.0 (/source)
Dec 13 15:27:39.873 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 13 15:27:39.873 INFO [stderr]  --> src/prettier.rs:4:1
Dec 13 15:27:39.873 INFO [stderr]   |
Dec 13 15:27:39.873 INFO [stderr] 4 | struct JSONPrettier {
Dec 13 15:27:39.873 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 13 15:27:39.873 INFO [stderr]   |
Dec 13 15:27:39.874 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 15:27:39.874 INFO [stderr] 
Dec 13 15:27:39.874 INFO [stderr] warning: method is never used: `to_pretty`
Dec 13 15:27:39.874 INFO [stderr]  --> src/prettier.rs:9:5
Dec 13 15:27:39.874 INFO [stderr]   |
Dec 13 15:27:39.874 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 13 15:27:39.874 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 15:27:39.874 INFO [stderr] 
Dec 13 15:27:41.199 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
Dec 13 15:27:41.207 INFO [stderr] su: No module specific data is present
Dec 13 15:27:42.887 INFO running `"docker" "inspect" "ba3ae69a3c355cbd4f7f558d14b51ff858623f51b58f483ac7fe4da0a420ddc9"`
Dec 13 15:27:43.157 INFO running `"docker" "rm" "-f" "ba3ae69a3c355cbd4f7f558d14b51ff858623f51b58f483ac7fe4da0a420ddc9"`
Dec 13 15:27:43.571 INFO [stdout] ba3ae69a3c355cbd4f7f558d14b51ff858623f51b58f483ac7fe4da0a420ddc9
Dec 13 15:27:43.579 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 15:27:44.005 INFO [stdout] effef1f2721584ed71c59c2600fa6da4fd53d8ba8182f9166bcc76669ffee2da
Dec 13 15:27:44.007 INFO running `"docker" "start" "-a" "effef1f2721584ed71c59c2600fa6da4fd53d8ba8182f9166bcc76669ffee2da"`
Dec 13 15:27:45.800 INFO [stderr] usermod: no changes
Dec 13 15:27:45.891 INFO [stderr]    Compiling diff_json v0.1.0 (/source)
Dec 13 15:27:47.011 INFO [stderr] warning: struct is never constructed: `JSONPrettier`
Dec 13 15:27:47.011 INFO [stderr]  --> src/prettier.rs:4:1
Dec 13 15:27:47.011 INFO [stderr]   |
Dec 13 15:27:47.011 INFO [stderr] 4 | struct JSONPrettier {
Dec 13 15:27:47.011 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 13 15:27:47.011 INFO [stderr]   |
Dec 13 15:27:47.011 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 15:27:47.011 INFO [stderr] 
Dec 13 15:27:47.011 INFO [stderr] warning: method is never used: `to_pretty`
Dec 13 15:27:47.011 INFO [stderr]  --> src/prettier.rs:9:5
Dec 13 15:27:47.011 INFO [stderr]   |
Dec 13 15:27:47.011 INFO [stderr] 9 |     pub fn to_pretty() {
Dec 13 15:27:47.011 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 15:27:47.011 INFO [stderr] 
Dec 13 15:27:47.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Dec 13 15:27:47.599 INFO [stderr] su: No module specific data is present
Dec 13 15:27:48.631 INFO running `"docker" "inspect" "effef1f2721584ed71c59c2600fa6da4fd53d8ba8182f9166bcc76669ffee2da"`
Dec 13 15:27:48.945 INFO running `"docker" "rm" "-f" "effef1f2721584ed71c59c2600fa6da4fd53d8ba8182f9166bcc76669ffee2da"`
Dec 13 15:27:49.374 INFO [stdout] effef1f2721584ed71c59c2600fa6da4fd53d8ba8182f9166bcc76669ffee2da
Dec 13 15:27:49.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 15:27:49.812 INFO [stdout] 886fff60662b34d155d95746dc1e44f342899d7d99004ca9c3ec5e82c3d7c829
Dec 13 15:27:49.814 INFO running `"docker" "start" "-a" "886fff60662b34d155d95746dc1e44f342899d7d99004ca9c3ec5e82c3d7c829"`
Dec 13 15:27:51.561 INFO [stderr] usermod: no changes
Dec 13 15:27:51.663 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 13 15:27:51.677 INFO [stderr]      Running /target/debug/deps/diff_json-9d0fa91762675096
Dec 13 15:27:51.691 INFO [stdout] 
Dec 13 15:27:51.691 INFO [stdout] running 0 tests
Dec 13 15:27:51.691 INFO [stdout] 
Dec 13 15:27:51.691 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 15:27:51.691 INFO [stdout] 
Dec 13 15:27:51.699 INFO [stderr]      Running /target/debug/deps/diff_json-d52eaac622cd6549
Dec 13 15:27:51.711 INFO [stdout] 
Dec 13 15:27:51.711 INFO [stdout] running 0 tests
Dec 13 15:27:51.711 INFO [stdout] 
Dec 13 15:27:51.711 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 15:27:51.711 INFO [stdout] 
Dec 13 15:27:51.715 INFO [stderr]    Doc-tests diff_json
Dec 13 15:27:52.639 INFO [stdout] 
Dec 13 15:27:52.639 INFO [stderr] su: No module specific data is present
Dec 13 15:27:52.639 INFO [stdout] running 0 tests
Dec 13 15:27:52.639 INFO [stdout] 
Dec 13 15:27:52.639 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 15:27:52.639 INFO [stdout] 
Dec 13 15:27:53.219 INFO running `"docker" "inspect" "886fff60662b34d155d95746dc1e44f342899d7d99004ca9c3ec5e82c3d7c829"`
Dec 13 15:27:53.479 INFO running `"docker" "rm" "-f" "886fff60662b34d155d95746dc1e44f342899d7d99004ca9c3ec5e82c3d7c829"`
Dec 13 15:27:53.804 INFO [stdout] 886fff60662b34d155d95746dc1e44f342899d7d99004ca9c3ec5e82c3d7c829