Dec 04 21:34:11.003 INFO checking brain-lang/brain against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:34:11.004 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 21:34:11.451 INFO [stdout] dab5b78c533ccf4a0f8e895d21b4403892394ba99508a0079dbefa3768ebb5dc
Dec 04 21:34:11.453 INFO running `"docker" "start" "-a" "dab5b78c533ccf4a0f8e895d21b4403892394ba99508a0079dbefa3768ebb5dc"`
Dec 04 21:34:12.487 INFO [stderr] usermod: no changes
Dec 04 21:34:12.603 INFO [stderr]     Checking clap v2.24.2
Dec 04 21:34:18.675 INFO [stderr]     Checking brain v0.1.2 (/source)
Dec 04 21:34:20.071 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.071 INFO [stderr]    --> src/core/primitives/boolean.rs:212:17
Dec 04 21:34:20.071 INFO [stderr]     |
Dec 04 21:34:20.071 INFO [stderr] 212 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.071 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.071 INFO [stderr]     |
Dec 04 21:34:20.071 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 04 21:34:20.071 INFO [stderr] 
Dec 04 21:34:20.071 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.071 INFO [stderr]    --> src/core/primitives/boolean.rs:359:17
Dec 04 21:34:20.071 INFO [stderr]     |
Dec 04 21:34:20.071 INFO [stderr] 359 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.071 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.071 INFO [stderr] 
Dec 04 21:34:20.071 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.071 INFO [stderr]    --> src/core/primitives/boolean.rs:513:17
Dec 04 21:34:20.071 INFO [stderr]     |
Dec 04 21:34:20.071 INFO [stderr] 513 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.071 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.071 INFO [stderr] 
Dec 04 21:34:20.071 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.071 INFO [stderr]    --> src/core/primitives/boolean.rs:641:17
Dec 04 21:34:20.071 INFO [stderr]     |
Dec 04 21:34:20.071 INFO [stderr] 641 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.071 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.071 INFO [stderr] 
Dec 04 21:34:20.151 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.151 INFO [stderr]    --> src/core/primitives/boolean.rs:212:17
Dec 04 21:34:20.151 INFO [stderr]     |
Dec 04 21:34:20.151 INFO [stderr] 212 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.151 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.151 INFO [stderr]     |
Dec 04 21:34:20.151 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 04 21:34:20.151 INFO [stderr] 
Dec 04 21:34:20.151 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.151 INFO [stderr]    --> src/core/primitives/boolean.rs:359:17
Dec 04 21:34:20.151 INFO [stderr]     |
Dec 04 21:34:20.151 INFO [stderr] 359 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.151 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.151 INFO [stderr] 
Dec 04 21:34:20.151 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.151 INFO [stderr]    --> src/core/primitives/boolean.rs:513:17
Dec 04 21:34:20.151 INFO [stderr]     |
Dec 04 21:34:20.151 INFO [stderr] 513 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.151 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.151 INFO [stderr] 
Dec 04 21:34:20.151 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 21:34:20.151 INFO [stderr]    --> src/core/primitives/boolean.rs:641:17
Dec 04 21:34:20.151 INFO [stderr]     |
Dec 04 21:34:20.151 INFO [stderr] 641 |                 /// Thanks to certain properties of booleans, we can evaluate certain things during
Dec 04 21:34:20.151 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:34:20.151 INFO [stderr] 
Dec 04 21:34:23.922 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.42s
Dec 04 21:34:23.925 INFO [stderr] su: No module specific data is present
Dec 04 21:34:24.475 INFO running `"docker" "inspect" "dab5b78c533ccf4a0f8e895d21b4403892394ba99508a0079dbefa3768ebb5dc"`
Dec 04 21:34:24.772 INFO running `"docker" "rm" "-f" "dab5b78c533ccf4a0f8e895d21b4403892394ba99508a0079dbefa3768ebb5dc"`
Dec 04 21:34:25.019 INFO [stdout] dab5b78c533ccf4a0f8e895d21b4403892394ba99508a0079dbefa3768ebb5dc