Dec 19 16:42:25.876 INFO checking gambhiro/yaml-summary against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:42:25.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/gambhiro/yaml-summary:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:42:26.147 INFO [stdout] 3e6a84c400d7728cbd635c689c5e8a6ba654aec69c8e46f22f767644d7633edb
Dec 19 16:42:26.149 INFO running `"docker" "start" "-a" "3e6a84c400d7728cbd635c689c5e8a6ba654aec69c8e46f22f767644d7633edb"`
Dec 19 16:42:26.841 INFO [stderr]     Checking yaml-rust v0.3.4
Dec 19 16:42:27.617 INFO [stderr]     Checking yaml-summary v0.1.0 (/opt/crater/workdir)
Dec 19 16:42:27.864 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 16:42:27.864 INFO [stderr]    --> src/main.rs:115:13
Dec 19 16:42:27.864 INFO [stderr]     |
Dec 19 16:42:27.864 INFO [stderr] 115 |             /// Parsing when item is a Yaml::String. If it is a valid path, the
Dec 19 16:42:27.864 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:42:27.864 INFO [stderr]     |
Dec 19 16:42:27.864 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 19 16:42:27.864 INFO [stderr] 
Dec 19 16:42:27.864 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 16:42:27.864 INFO [stderr]    --> src/main.rs:126:13
Dec 19 16:42:27.864 INFO [stderr]     |
Dec 19 16:42:27.864 INFO [stderr] 126 |             /// Parsing when item is a Yaml::Hash. Appropriate keys are
Dec 19 16:42:27.864 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:42:27.864 INFO [stderr] 
Dec 19 16:42:27.919 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 16:42:27.919 INFO [stderr]    --> src/main.rs:115:13
Dec 19 16:42:27.919 INFO [stderr]     |
Dec 19 16:42:27.919 INFO [stderr] 115 |             /// Parsing when item is a Yaml::String. If it is a valid path, the
Dec 19 16:42:27.919 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:42:27.919 INFO [stderr]     |
Dec 19 16:42:27.919 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 19 16:42:27.919 INFO [stderr] 
Dec 19 16:42:27.919 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 16:42:27.919 INFO [stderr]    --> src/main.rs:126:13
Dec 19 16:42:27.919 INFO [stderr]     |
Dec 19 16:42:27.920 INFO [stderr] 126 |             /// Parsing when item is a Yaml::Hash. Appropriate keys are
Dec 19 16:42:27.920 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:42:27.920 INFO [stderr] 
Dec 19 16:42:28.004 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 19 16:42:28.238 INFO running `"docker" "inspect" "3e6a84c400d7728cbd635c689c5e8a6ba654aec69c8e46f22f767644d7633edb"`
Dec 19 16:42:28.332 INFO running `"docker" "rm" "-f" "3e6a84c400d7728cbd635c689c5e8a6ba654aec69c8e46f22f767644d7633edb"`
Dec 19 16:42:28.458 INFO [stdout] 3e6a84c400d7728cbd635c689c5e8a6ba654aec69c8e46f22f767644d7633edb