Dec 04 18:21:40.750 INFO checking gambhiro/yaml-summary against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:21:40.750 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 18:21:40.950 INFO [stdout] e12c70b1dd8fc180aec439663e127c7df9da28ae15bc93e7dabec716c6c73d7c
Dec 04 18:21:40.952 INFO running `"docker" "start" "-a" "e12c70b1dd8fc180aec439663e127c7df9da28ae15bc93e7dabec716c6c73d7c"`
Dec 04 18:21:41.378 INFO [stderr] usermod: no changes
Dec 04 18:21:41.422 INFO [stderr]     Checking yaml-rust v0.3.4
Dec 04 18:21:42.299 INFO [stderr]     Checking yaml-summary v0.1.0 (/source)
Dec 04 18:21:42.622 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 18:21:42.622 INFO [stderr]    --> src/main.rs:115:13
Dec 04 18:21:42.622 INFO [stderr]     |
Dec 04 18:21:42.623 INFO [stderr] 115 |             /// Parsing when item is a Yaml::String. If it is a valid path, the
Dec 04 18:21:42.623 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:21:42.623 INFO [stderr]     |
Dec 04 18:21:42.623 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 04 18:21:42.623 INFO [stderr] 
Dec 04 18:21:42.624 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 18:21:42.624 INFO [stderr]    --> src/main.rs:126:13
Dec 04 18:21:42.624 INFO [stderr]     |
Dec 04 18:21:42.624 INFO [stderr] 126 |             /// Parsing when item is a Yaml::Hash. Appropriate keys are
Dec 04 18:21:42.624 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:21:42.624 INFO [stderr] 
Dec 04 18:21:42.684 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 18:21:42.684 INFO [stderr]    --> src/main.rs:115:13
Dec 04 18:21:42.684 INFO [stderr]     |
Dec 04 18:21:42.684 INFO [stderr] 115 |             /// Parsing when item is a Yaml::String. If it is a valid path, the
Dec 04 18:21:42.684 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:21:42.684 INFO [stderr]     |
Dec 04 18:21:42.684 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 04 18:21:42.684 INFO [stderr] 
Dec 04 18:21:42.684 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 18:21:42.684 INFO [stderr]    --> src/main.rs:126:13
Dec 04 18:21:42.687 INFO [stderr]     |
Dec 04 18:21:42.687 INFO [stderr] 126 |             /// Parsing when item is a Yaml::Hash. Appropriate keys are
Dec 04 18:21:42.687 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:21:42.687 INFO [stderr] 
Dec 04 18:21:42.777 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 04 18:21:42.782 INFO [stderr] su: No module specific data is present
Dec 04 18:21:43.981 INFO running `"docker" "inspect" "e12c70b1dd8fc180aec439663e127c7df9da28ae15bc93e7dabec716c6c73d7c"`
Dec 04 18:21:44.105 INFO running `"docker" "rm" "-f" "e12c70b1dd8fc180aec439663e127c7df9da28ae15bc93e7dabec716c6c73d7c"`
Dec 04 18:21:44.284 INFO [stdout] e12c70b1dd8fc180aec439663e127c7df9da28ae15bc93e7dabec716c6c73d7c