Oct 31 18:35:10.334 INFO checking vksmgr/read_file against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 18:35:10.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Oct 31 18:35:10.836 INFO blam! edb6f36c8e125d8a290833934b6d5efeddcf3ef5507253b9c13f5ec6ff99c2d2
Oct 31 18:35:10.838 INFO running `"docker" "start" "-a" "edb6f36c8e125d8a290833934b6d5efeddcf3ef5507253b9c13f5ec6ff99c2d2"`
Oct 31 18:35:13.140 INFO kablam! usermod: no changes
Oct 31 18:35:13.216 INFO kablam!     Checking os v0.1.0 (/source)
Oct 31 18:35:13.508 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:35:13.508 INFO kablam!  --> src/main.rs:5:5
Oct 31 18:35:13.508 INFO kablam!   |
Oct 31 18:35:13.508 INFO kablam! 5 |     read_all_lines("test.txt");
Oct 31 18:35:13.508 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:35:13.508 INFO kablam!   |
Oct 31 18:35:13.508 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Oct 31 18:35:13.508 INFO kablam!   = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:35:13.508 INFO kablam! 
Oct 31 18:35:13.532 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:35:13.532 INFO kablam!  --> src/main.rs:5:5
Oct 31 18:35:13.532 INFO kablam!   |
Oct 31 18:35:13.532 INFO kablam! 5 |     read_all_lines("test.txt");
Oct 31 18:35:13.532 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:35:13.532 INFO kablam!   |
Oct 31 18:35:13.532 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Oct 31 18:35:13.532 INFO kablam!   = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:35:13.532 INFO kablam! 
Oct 31 18:35:13.552 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Oct 31 18:35:13.552 INFO kablam! su: No module specific data is present
Oct 31 18:35:14.432 INFO running `"docker" "rm" "-f" "edb6f36c8e125d8a290833934b6d5efeddcf3ef5507253b9c13f5ec6ff99c2d2"`
Oct 31 18:35:14.761 INFO blam! edb6f36c8e125d8a290833934b6d5efeddcf3ef5507253b9c13f5ec6ff99c2d2