Nov 07 00:29:26.565 INFO checking brandonpollack23/rust_wc against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 00:29:26.566 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-6/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 07 00:29:26.994 INFO blam! cac1567f8c734ec9923a8daf19a56cd2dcb007aa26023e705dc733507f2e41cc
Nov 07 00:29:26.996 INFO running `"docker" "start" "-a" "cac1567f8c734ec9923a8daf19a56cd2dcb007aa26023e705dc733507f2e41cc"`
Nov 07 00:29:28.784 INFO kablam! usermod: no changes
Nov 07 00:29:28.904 INFO kablam!     Checking rust_wc v0.1.0 (/source)
Nov 07 00:29:30.611 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.611 INFO kablam!   --> src/word_count.rs:35:13
Nov 07 00:29:30.611 INFO kablam!    |
Nov 07 00:29:30.616 INFO kablam! 35 |             write!(&mut output, "{} ", self.lines);
Nov 07 00:29:30.616 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.616 INFO kablam!    |
Nov 07 00:29:30.617 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 00:29:30.617 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.617 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.617 INFO kablam! 
Nov 07 00:29:30.618 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.618 INFO kablam!   --> src/word_count.rs:38:13
Nov 07 00:29:30.618 INFO kablam!    |
Nov 07 00:29:30.618 INFO kablam! 38 |             write!(&mut output, "{} ", self.words);
Nov 07 00:29:30.619 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.619 INFO kablam!    |
Nov 07 00:29:30.619 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.619 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.620 INFO kablam! 
Nov 07 00:29:30.620 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.620 INFO kablam!   --> src/word_count.rs:41:13
Nov 07 00:29:30.621 INFO kablam!    |
Nov 07 00:29:30.621 INFO kablam! 41 |             write!(&mut output, "{} ", self.bytes);
Nov 07 00:29:30.621 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.621 INFO kablam!    |
Nov 07 00:29:30.622 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.622 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.622 INFO kablam! 
Nov 07 00:29:30.622 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.623 INFO kablam!   --> src/word_count.rs:44:13
Nov 07 00:29:30.623 INFO kablam!    |
Nov 07 00:29:30.623 INFO kablam! 44 |             write!(&mut output, "{} ", self.chars);
Nov 07 00:29:30.624 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.624 INFO kablam!    |
Nov 07 00:29:30.624 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.624 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.625 INFO kablam! 
Nov 07 00:29:30.625 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.626 INFO kablam!   --> src/word_count.rs:47:13
Nov 07 00:29:30.626 INFO kablam!    |
Nov 07 00:29:30.626 INFO kablam! 47 |             write!(&mut output, "{} ", self.max_length);
Nov 07 00:29:30.626 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.626 INFO kablam!    |
Nov 07 00:29:30.626 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.626 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.626 INFO kablam! 
Nov 07 00:29:30.626 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.626 INFO kablam!   --> src/word_count.rs:35:13
Nov 07 00:29:30.626 INFO kablam!    |
Nov 07 00:29:30.626 INFO kablam! 35 |             write!(&mut output, "{} ", self.lines);
Nov 07 00:29:30.626 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.626 INFO kablam!    |
Nov 07 00:29:30.626 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 00:29:30.628 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.628 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.628 INFO kablam! 
Nov 07 00:29:30.628 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.628 INFO kablam!   --> src/word_count.rs:38:13
Nov 07 00:29:30.628 INFO kablam!    |
Nov 07 00:29:30.628 INFO kablam! 38 |             write!(&mut output, "{} ", self.words);
Nov 07 00:29:30.628 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.628 INFO kablam!    |
Nov 07 00:29:30.628 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.628 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.628 INFO kablam! 
Nov 07 00:29:30.628 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.628 INFO kablam!   --> src/word_count.rs:41:13
Nov 07 00:29:30.628 INFO kablam!    |
Nov 07 00:29:30.628 INFO kablam! 41 |             write!(&mut output, "{} ", self.bytes);
Nov 07 00:29:30.628 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.628 INFO kablam!    |
Nov 07 00:29:30.628 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.628 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.628 INFO kablam! 
Nov 07 00:29:30.628 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.628 INFO kablam!   --> src/word_count.rs:44:13
Nov 07 00:29:30.628 INFO kablam!    |
Nov 07 00:29:30.628 INFO kablam! 44 |             write!(&mut output, "{} ", self.chars);
Nov 07 00:29:30.628 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.628 INFO kablam!    |
Nov 07 00:29:30.628 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.628 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.628 INFO kablam! 
Nov 07 00:29:30.629 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:29:30.629 INFO kablam!   --> src/word_count.rs:47:13
Nov 07 00:29:30.629 INFO kablam!    |
Nov 07 00:29:30.629 INFO kablam! 47 |             write!(&mut output, "{} ", self.max_length);
Nov 07 00:29:30.629 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:29:30.629 INFO kablam!    |
Nov 07 00:29:30.629 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:29:30.629 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 00:29:30.629 INFO kablam! 
Nov 07 00:29:30.667 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Nov 07 00:29:30.672 INFO kablam! su: No module specific data is present
Nov 07 00:29:31.456 INFO running `"docker" "rm" "-f" "cac1567f8c734ec9923a8daf19a56cd2dcb007aa26023e705dc733507f2e41cc"`
Nov 07 00:29:31.742 INFO blam! cac1567f8c734ec9923a8daf19a56cd2dcb007aa26023e705dc733507f2e41cc