Dec 12 08:31:07.040 INFO checking ruroonga_expr-0.2.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 08:31:07.040 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 08:31:07.222 INFO [stdout] b3d3f9e95de9ad6d655364ed1b4404454c8b671e4041fe35cc28659ebf683631
Dec 12 08:31:07.226 INFO running `"docker" "start" "-a" "b3d3f9e95de9ad6d655364ed1b4404454c8b671e4041fe35cc28659ebf683631"`
Dec 12 08:31:07.899 INFO [stderr] usermod: no changes
Dec 12 08:31:07.960 INFO [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
Dec 12 08:31:07.960 INFO [stderr] disables Cargo from automatically inferring other test targets.
Dec 12 08:31:07.960 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 12 08:31:07.960 INFO [stderr] files will be included as a test target:
Dec 12 08:31:07.960 INFO [stderr] 
Dec 12 08:31:07.960 INFO [stderr] * /source/tests/test_builders_dsl.rs
Dec 12 08:31:07.960 INFO [stderr] * /source/tests/test_operators.rs
Dec 12 08:31:07.960 INFO [stderr] 
Dec 12 08:31:07.960 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 12 08:31:07.960 INFO [stderr] ready to be compiled as a test target today. You can future-proof yourself
Dec 12 08:31:07.960 INFO [stderr] and disable this warning by adding `autotests = false` to your [package]
Dec 12 08:31:07.960 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 12 08:31:07.960 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 12 08:31:07.960 INFO [stderr] 
Dec 12 08:31:07.960 INFO [stderr] For more information on this warning you can consult
Dec 12 08:31:07.960 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 12 08:31:07.988 INFO [stderr]     Checking ruroonga_expr v0.2.0 (/source)
Dec 12 08:31:08.708 INFO [stderr] warning: doc comment not used by rustdoc
Dec 12 08:31:08.708 INFO [stderr]   --> src/exprable/mod.rs:27:17
Dec 12 08:31:08.708 INFO [stderr]    |
Dec 12 08:31:08.708 INFO [stderr] 27 |                 /// It should escape aginst special characters (\n, \\)
Dec 12 08:31:08.708 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:31:08.708 INFO [stderr]    |
Dec 12 08:31:08.708 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 12 08:31:08.708 INFO [stderr] 
Dec 12 08:31:09.004 INFO [stderr] warning: doc comment not used by rustdoc
Dec 12 08:31:09.004 INFO [stderr]   --> src/exprable/mod.rs:27:17
Dec 12 08:31:09.004 INFO [stderr]    |
Dec 12 08:31:09.004 INFO [stderr] 27 |                 /// It should escape aginst special characters (\n, \\)
Dec 12 08:31:09.004 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:31:09.004 INFO [stderr]    |
Dec 12 08:31:09.004 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 12 08:31:09.004 INFO [stderr] 
Dec 12 08:31:10.428 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Dec 12 08:31:10.437 INFO [stderr] su: No module specific data is present
Dec 12 08:31:11.126 INFO running `"docker" "inspect" "b3d3f9e95de9ad6d655364ed1b4404454c8b671e4041fe35cc28659ebf683631"`
Dec 12 08:31:11.416 INFO running `"docker" "rm" "-f" "b3d3f9e95de9ad6d655364ed1b4404454c8b671e4041fe35cc28659ebf683631"`
Dec 12 08:31:11.692 INFO [stdout] b3d3f9e95de9ad6d655364ed1b4404454c8b671e4041fe35cc28659ebf683631