Dec 18 11:54:25.545 INFO checking ruroonga_command-0.3.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:54:25.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:54:25.938 INFO [stdout] e9b73739cbe474cb527917d8e23a1bc52da6365d46bb7582ec2d534dc5fa28b0
Dec 18 11:54:25.946 INFO running `"docker" "start" "-a" "e9b73739cbe474cb527917d8e23a1bc52da6365d46bb7582ec2d534dc5fa28b0"`
Dec 18 11:54:27.280 INFO [stderr]     Checking pulldown-cmark v0.0.3
Dec 18 11:54:27.280 INFO [stderr]     Checking url v1.2.4
Dec 18 11:54:27.280 INFO [stderr]    Compiling skeptic v0.6.1
Dec 18 11:54:28.782 INFO [stderr]    Compiling ruroonga_command v0.3.4 (/opt/crater/workdir)
Dec 18 11:54:30.247 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:30.247 INFO [stderr]   --> src/commandlinable/mod.rs:28:17
Dec 18 11:54:30.247 INFO [stderr]    |
Dec 18 11:54:30.247 INFO [stderr] 28 |                 /// It should escape aginst special characters (\n, \\)
Dec 18 11:54:30.247 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:30.247 INFO [stderr]    |
Dec 18 11:54:30.247 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 18 11:54:30.247 INFO [stderr] 
Dec 18 11:54:30.247 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:30.247 INFO [stderr]   --> src/types/data_type.rs:48:13
Dec 18 11:54:30.247 INFO [stderr]    |
Dec 18 11:54:30.247 INFO [stderr] 48 |             /// For future extensibility.
Dec 18 11:54:30.247 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:30.247 INFO [stderr] 
Dec 18 11:54:30.247 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:30.247 INFO [stderr]   --> src/types/data_type.rs:82:17
Dec 18 11:54:30.247 INFO [stderr]    |
Dec 18 11:54:30.247 INFO [stderr] 82 |                 /// For future extensibility.
Dec 18 11:54:30.247 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:30.247 INFO [stderr] 
Dec 18 11:54:30.247 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:30.247 INFO [stderr]    --> src/types/data_type.rs:108:13
Dec 18 11:54:30.247 INFO [stderr]     |
Dec 18 11:54:30.248 INFO [stderr] 108 |             /// For future extensibility.
Dec 18 11:54:30.248 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:30.248 INFO [stderr] 
Dec 18 11:54:30.262 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:30.262 INFO [stderr]   --> src/selectable/staged_columns.rs:49:17
Dec 18 11:54:30.262 INFO [stderr]    |
Dec 18 11:54:30.262 INFO [stderr] 49 |                 /// For future extensibility.
Dec 18 11:54:30.262 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:30.262 INFO [stderr] 
Dec 18 11:54:31.005 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.005 INFO [stderr]   --> src/commandlinable/mod.rs:28:17
Dec 18 11:54:31.006 INFO [stderr]    |
Dec 18 11:54:31.006 INFO [stderr] 28 |                 /// It should escape aginst special characters (\n, \\)
Dec 18 11:54:31.006 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.006 INFO [stderr]    |
Dec 18 11:54:31.007 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 18 11:54:31.007 INFO [stderr] 
Dec 18 11:54:31.007 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.007 INFO [stderr]   --> src/types/data_type.rs:48:13
Dec 18 11:54:31.007 INFO [stderr]    |
Dec 18 11:54:31.008 INFO [stderr] 48 |             /// For future extensibility.
Dec 18 11:54:31.008 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.008 INFO [stderr] 
Dec 18 11:54:31.008 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.008 INFO [stderr]   --> src/types/data_type.rs:82:17
Dec 18 11:54:31.009 INFO [stderr]    |
Dec 18 11:54:31.009 INFO [stderr] 82 |                 /// For future extensibility.
Dec 18 11:54:31.009 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.009 INFO [stderr] 
Dec 18 11:54:31.010 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.010 INFO [stderr]    --> src/types/data_type.rs:108:13
Dec 18 11:54:31.010 INFO [stderr]     |
Dec 18 11:54:31.010 INFO [stderr] 108 |             /// For future extensibility.
Dec 18 11:54:31.010 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.010 INFO [stderr] 
Dec 18 11:54:31.022 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:54:31.022 INFO [stderr]   --> src/selectable/staged_columns.rs:49:17
Dec 18 11:54:31.022 INFO [stderr]    |
Dec 18 11:54:31.022 INFO [stderr] 49 |                 /// For future extensibility.
Dec 18 11:54:31.022 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:54:31.022 INFO [stderr] 
Dec 18 11:54:35.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.09s
Dec 18 11:54:35.840 INFO running `"docker" "inspect" "e9b73739cbe474cb527917d8e23a1bc52da6365d46bb7582ec2d534dc5fa28b0"`
Dec 18 11:54:36.100 INFO running `"docker" "rm" "-f" "e9b73739cbe474cb527917d8e23a1bc52da6365d46bb7582ec2d534dc5fa28b0"`
Dec 18 11:54:36.392 INFO [stdout] e9b73739cbe474cb527917d8e23a1bc52da6365d46bb7582ec2d534dc5fa28b0