Dec 01 22:44:03.833 INFO testing brandonpollack23/rust_wc against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 22:44:03.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 22:44:04.202 INFO [stdout] 3aa30435499b9d7a795a56e0343315e9b9a0756f11bba436530012874c12b80c
Dec 01 22:44:04.205 INFO running `"docker" "start" "-a" "3aa30435499b9d7a795a56e0343315e9b9a0756f11bba436530012874c12b80c"`
Dec 01 22:44:05.064 INFO [stderr] usermod: no changes
Dec 01 22:44:05.190 INFO [stderr]    Compiling rust_wc v0.1.0 (/source)
Dec 01 22:44:06.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:06.243 INFO [stderr]   --> src/word_count.rs:35:13
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr] 35 |             write!(&mut output, "{} ", self.lines);
Dec 01 22:44:06.243 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 22:44:06.243 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:06.243 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:06.243 INFO [stderr] 
Dec 01 22:44:06.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:06.243 INFO [stderr]   --> src/word_count.rs:38:13
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr] 38 |             write!(&mut output, "{} ", self.words);
Dec 01 22:44:06.243 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:06.243 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:06.243 INFO [stderr] 
Dec 01 22:44:06.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:06.243 INFO [stderr]   --> src/word_count.rs:41:13
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr] 41 |             write!(&mut output, "{} ", self.bytes);
Dec 01 22:44:06.243 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:06.243 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:06.243 INFO [stderr] 
Dec 01 22:44:06.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:06.243 INFO [stderr]   --> src/word_count.rs:44:13
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr] 44 |             write!(&mut output, "{} ", self.chars);
Dec 01 22:44:06.243 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:06.243 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:06.243 INFO [stderr] 
Dec 01 22:44:06.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:06.243 INFO [stderr]   --> src/word_count.rs:47:13
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr] 47 |             write!(&mut output, "{} ", self.max_length);
Dec 01 22:44:06.243 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:06.243 INFO [stderr]    |
Dec 01 22:44:06.243 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:06.243 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:06.243 INFO [stderr] 
Dec 01 22:44:07.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
Dec 01 22:44:07.891 INFO [stderr] su: No module specific data is present
Dec 01 22:44:08.703 INFO running `"docker" "inspect" "3aa30435499b9d7a795a56e0343315e9b9a0756f11bba436530012874c12b80c"`
Dec 01 22:44:08.961 INFO running `"docker" "rm" "-f" "3aa30435499b9d7a795a56e0343315e9b9a0756f11bba436530012874c12b80c"`
Dec 01 22:44:09.231 INFO [stdout] 3aa30435499b9d7a795a56e0343315e9b9a0756f11bba436530012874c12b80c
Dec 01 22:44:09.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 22:44:09.715 INFO [stdout] d86d8e5735666d0f66f79e14f0ab58261c36206ad9ed753f2bc2943718199a39
Dec 01 22:44:09.721 INFO running `"docker" "start" "-a" "d86d8e5735666d0f66f79e14f0ab58261c36206ad9ed753f2bc2943718199a39"`
Dec 01 22:44:10.854 INFO [stderr] usermod: no changes
Dec 01 22:44:10.939 INFO [stderr]    Compiling rust_wc v0.1.0 (/source)
Dec 01 22:44:11.879 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:11.879 INFO [stderr]   --> src/word_count.rs:35:13
Dec 01 22:44:11.879 INFO [stderr]    |
Dec 01 22:44:11.879 INFO [stderr] 35 |             write!(&mut output, "{} ", self.lines);
Dec 01 22:44:11.879 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:11.879 INFO [stderr]    |
Dec 01 22:44:11.879 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 22:44:11.879 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:11.879 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:11.879 INFO [stderr] 
Dec 01 22:44:11.879 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:11.879 INFO [stderr]   --> src/word_count.rs:38:13
Dec 01 22:44:11.879 INFO [stderr]    |
Dec 01 22:44:11.879 INFO [stderr] 38 |             write!(&mut output, "{} ", self.words);
Dec 01 22:44:11.879 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:11.879 INFO [stderr]    |
Dec 01 22:44:11.879 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:11.880 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:11.880 INFO [stderr] 
Dec 01 22:44:11.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:11.880 INFO [stderr]   --> src/word_count.rs:41:13
Dec 01 22:44:11.880 INFO [stderr]    |
Dec 01 22:44:11.880 INFO [stderr] 41 |             write!(&mut output, "{} ", self.bytes);
Dec 01 22:44:11.880 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:11.880 INFO [stderr]    |
Dec 01 22:44:11.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:11.880 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:11.880 INFO [stderr] 
Dec 01 22:44:11.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:11.880 INFO [stderr]   --> src/word_count.rs:44:13
Dec 01 22:44:11.880 INFO [stderr]    |
Dec 01 22:44:11.880 INFO [stderr] 44 |             write!(&mut output, "{} ", self.chars);
Dec 01 22:44:11.880 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:11.880 INFO [stderr]    |
Dec 01 22:44:11.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:11.880 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:11.880 INFO [stderr] 
Dec 01 22:44:11.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 22:44:11.880 INFO [stderr]   --> src/word_count.rs:47:13
Dec 01 22:44:11.880 INFO [stderr]    |
Dec 01 22:44:11.880 INFO [stderr] 47 |             write!(&mut output, "{} ", self.max_length);
Dec 01 22:44:11.880 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:44:11.880 INFO [stderr]    |
Dec 01 22:44:11.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 22:44:11.880 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 22:44:11.880 INFO [stderr] 
Dec 01 22:44:12.542 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 01 22:44:12.543 INFO [stderr] su: No module specific data is present
Dec 01 22:44:13.572 INFO running `"docker" "inspect" "d86d8e5735666d0f66f79e14f0ab58261c36206ad9ed753f2bc2943718199a39"`
Dec 01 22:44:13.941 INFO running `"docker" "rm" "-f" "d86d8e5735666d0f66f79e14f0ab58261c36206ad9ed753f2bc2943718199a39"`
Dec 01 22:44:14.183 INFO [stdout] d86d8e5735666d0f66f79e14f0ab58261c36206ad9ed753f2bc2943718199a39
Dec 01 22:44:14.187 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 22:44:14.639 INFO [stdout] 32048eabbc7ebe2b3f53798a366ab4ae6aecdb5b288b714e731ba6fae02e8dad
Dec 01 22:44:14.642 INFO running `"docker" "start" "-a" "32048eabbc7ebe2b3f53798a366ab4ae6aecdb5b288b714e731ba6fae02e8dad"`
Dec 01 22:44:15.754 INFO [stderr] usermod: no changes
Dec 01 22:44:15.848 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 01 22:44:15.870 INFO [stderr]      Running /target/debug/deps/rust_wc-a720c323dfe99f07
Dec 01 22:44:15.883 INFO [stderr] su: No module specific data is present
Dec 01 22:44:15.883 INFO [stdout] 
Dec 01 22:44:15.883 INFO [stdout] running 0 tests
Dec 01 22:44:15.883 INFO [stdout] 
Dec 01 22:44:15.883 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 22:44:15.883 INFO [stdout] 
Dec 01 22:44:16.401 INFO running `"docker" "inspect" "32048eabbc7ebe2b3f53798a366ab4ae6aecdb5b288b714e731ba6fae02e8dad"`
Dec 01 22:44:16.667 INFO running `"docker" "rm" "-f" "32048eabbc7ebe2b3f53798a366ab4ae6aecdb5b288b714e731ba6fae02e8dad"`
Dec 01 22:44:16.899 INFO [stdout] 32048eabbc7ebe2b3f53798a366ab4ae6aecdb5b288b714e731ba6fae02e8dad
