Dec 18 11:54:24.733 INFO checking ruroonga_command-0.3.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:54:24.733 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/ruroonga_command/0.3.4:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:54:25.199 INFO [stdout] 88ca8f744484e6a8e49ebeac51922c1eb3f6d293d205cce3e6d7cba0482ab5fb
Dec 18 11:54:25.201 INFO running `"docker" "start" "-a" "88ca8f744484e6a8e49ebeac51922c1eb3f6d293d205cce3e6d7cba0482ab5fb"`
Dec 18 11:54:26.956 INFO [stderr]    Compiling pulldown-cmark v0.0.3
Dec 18 11:54:26.957 INFO [stderr]     Checking url v1.2.4
Dec 18 11:54:27.800 INFO [stderr]     Checking skeptic v0.6.1
Dec 18 11:54:30.875 INFO [stderr]    Compiling ruroonga_command v0.3.4 (/opt/crater/workdir)
Dec 18 11:54:31.873 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.873 INFO [stderr]   --> src/commandlinable/mod.rs:28:17
Dec 18 11:54:31.880 INFO [stderr]    |
Dec 18 11:54:31.880 INFO [stderr] 28 |                 /// It should escape aginst special characters (\n, \\)
Dec 18 11:54:31.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.880 INFO [stderr]    |
Dec 18 11:54:31.880 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 18 11:54:31.880 INFO [stderr] 
Dec 18 11:54:31.880 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.880 INFO [stderr]   --> src/types/data_type.rs:48:13
Dec 18 11:54:31.880 INFO [stderr]    |
Dec 18 11:54:31.880 INFO [stderr] 48 |             /// For future extensibility.
Dec 18 11:54:31.880 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.880 INFO [stderr] 
Dec 18 11:54:31.880 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.880 INFO [stderr]   --> src/types/data_type.rs:82:17
Dec 18 11:54:31.880 INFO [stderr]    |
Dec 18 11:54:31.880 INFO [stderr] 82 |                 /// For future extensibility.
Dec 18 11:54:31.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.880 INFO [stderr] 
Dec 18 11:54:31.880 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.880 INFO [stderr]    --> src/types/data_type.rs:108:13
Dec 18 11:54:31.880 INFO [stderr]     |
Dec 18 11:54:31.880 INFO [stderr] 108 |             /// For future extensibility.
Dec 18 11:54:31.880 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.880 INFO [stderr] 
Dec 18 11:54:31.880 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.880 INFO [stderr]   --> src/selectable/staged_columns.rs:49:17
Dec 18 11:54:31.880 INFO [stderr]    |
Dec 18 11:54:31.880 INFO [stderr] 49 |                 /// For future extensibility.
Dec 18 11:54:31.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.880 INFO [stderr] 
Dec 18 11:54:32.538 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:32.538 INFO [stderr]   --> src/commandlinable/mod.rs:28:17
Dec 18 11:54:32.538 INFO [stderr]    |
Dec 18 11:54:32.538 INFO [stderr] 28 |                 /// It should escape aginst special characters (\n, \\)
Dec 18 11:54:32.538 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:32.538 INFO [stderr]    |
Dec 18 11:54:32.538 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 18 11:54:32.538 INFO [stderr] 
Dec 18 11:54:32.539 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:32.539 INFO [stderr]   --> src/types/data_type.rs:48:13
Dec 18 11:54:32.539 INFO [stderr]    |
Dec 18 11:54:32.540 INFO [stderr] 48 |             /// For future extensibility.
Dec 18 11:54:32.540 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:32.540 INFO [stderr] 
Dec 18 11:54:32.540 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:32.540 INFO [stderr]   --> src/types/data_type.rs:82:17
Dec 18 11:54:32.540 INFO [stderr]    |
Dec 18 11:54:32.540 INFO [stderr] 82 |                 /// For future extensibility.
Dec 18 11:54:32.540 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:32.540 INFO [stderr] 
Dec 18 11:54:32.541 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:32.541 INFO [stderr]    --> src/types/data_type.rs:108:13
Dec 18 11:54:32.541 INFO [stderr]     |
Dec 18 11:54:32.541 INFO [stderr] 108 |             /// For future extensibility.
Dec 18 11:54:32.541 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:32.541 INFO [stderr] 
Dec 18 11:54:32.564 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:32.564 INFO [stderr]   --> src/selectable/staged_columns.rs:49:17
Dec 18 11:54:32.564 INFO [stderr]    |
Dec 18 11:54:32.564 INFO [stderr] 49 |                 /// For future extensibility.
Dec 18 11:54:32.564 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:32.564 INFO [stderr] 
Dec 18 11:54:36.934 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.04s
Dec 18 11:54:37.750 INFO running `"docker" "inspect" "88ca8f744484e6a8e49ebeac51922c1eb3f6d293d205cce3e6d7cba0482ab5fb"`
Dec 18 11:54:38.086 INFO running `"docker" "rm" "-f" "88ca8f744484e6a8e49ebeac51922c1eb3f6d293d205cce3e6d7cba0482ab5fb"`
Dec 18 11:54:38.388 INFO [stdout] 88ca8f744484e6a8e49ebeac51922c1eb3f6d293d205cce3e6d7cba0482ab5fb