Nov 17 07:39:55.761 INFO testing brandonpollack23/rust_wc against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 07:39:55.761 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 07:39:56.242 INFO [stdout] e03e1594addf6393aacd707dd01e5a23bf7033340c222a8ce0cbd2f3d644ba43
Nov 17 07:39:56.243 INFO running `"docker" "start" "-a" "e03e1594addf6393aacd707dd01e5a23bf7033340c222a8ce0cbd2f3d644ba43"`
Nov 17 07:39:57.587 INFO [stderr] usermod: no changes
Nov 17 07:39:57.723 INFO [stderr]    Compiling rust_wc v0.1.0 (/source)
Nov 17 07:39:58.843 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:39:58.843 INFO [stderr]   --> src/word_count.rs:35:13
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr] 35 |             write!(&mut output, "{} ", self.lines);
Nov 17 07:39:58.843 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 07:39:58.843 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:39:58.843 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)
Nov 17 07:39:58.843 INFO [stderr] 
Nov 17 07:39:58.843 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:39:58.843 INFO [stderr]   --> src/word_count.rs:38:13
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr] 38 |             write!(&mut output, "{} ", self.words);
Nov 17 07:39:58.843 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:39:58.843 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)
Nov 17 07:39:58.843 INFO [stderr] 
Nov 17 07:39:58.843 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:39:58.843 INFO [stderr]   --> src/word_count.rs:41:13
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr] 41 |             write!(&mut output, "{} ", self.bytes);
Nov 17 07:39:58.843 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:39:58.843 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)
Nov 17 07:39:58.843 INFO [stderr] 
Nov 17 07:39:58.843 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:39:58.843 INFO [stderr]   --> src/word_count.rs:44:13
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr] 44 |             write!(&mut output, "{} ", self.chars);
Nov 17 07:39:58.843 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:39:58.843 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)
Nov 17 07:39:58.843 INFO [stderr] 
Nov 17 07:39:58.843 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:39:58.843 INFO [stderr]   --> src/word_count.rs:47:13
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr] 47 |             write!(&mut output, "{} ", self.max_length);
Nov 17 07:39:58.843 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:39:58.843 INFO [stderr]    |
Nov 17 07:39:58.843 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:39:58.843 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)
Nov 17 07:39:58.843 INFO [stderr] 
Nov 17 07:40:00.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
Nov 17 07:40:00.352 INFO [stderr] su: No module specific data is present
Nov 17 07:40:01.159 INFO running `"docker" "inspect" "e03e1594addf6393aacd707dd01e5a23bf7033340c222a8ce0cbd2f3d644ba43"`
Nov 17 07:40:01.429 INFO running `"docker" "rm" "-f" "e03e1594addf6393aacd707dd01e5a23bf7033340c222a8ce0cbd2f3d644ba43"`
Nov 17 07:40:01.791 INFO [stdout] e03e1594addf6393aacd707dd01e5a23bf7033340c222a8ce0cbd2f3d644ba43
Nov 17 07:40:01.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 07:40:02.300 INFO [stdout] 7553f7abe43c4177f3883d2d8a0cd184684efd8fc4bd42ac4ec47d7b85d19936
Nov 17 07:40:02.305 INFO running `"docker" "start" "-a" "7553f7abe43c4177f3883d2d8a0cd184684efd8fc4bd42ac4ec47d7b85d19936"`
Nov 17 07:40:03.630 INFO [stderr] usermod: no changes
Nov 17 07:40:03.727 INFO [stderr]    Compiling rust_wc v0.1.0 (/source)
Nov 17 07:40:04.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:40:04.567 INFO [stderr]   --> src/word_count.rs:35:13
Nov 17 07:40:04.567 INFO [stderr]    |
Nov 17 07:40:04.567 INFO [stderr] 35 |             write!(&mut output, "{} ", self.lines);
Nov 17 07:40:04.568 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 07:40:04.568 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:40:04.568 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)
Nov 17 07:40:04.568 INFO [stderr] 
Nov 17 07:40:04.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:40:04.568 INFO [stderr]   --> src/word_count.rs:38:13
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr] 38 |             write!(&mut output, "{} ", self.words);
Nov 17 07:40:04.568 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:40:04.568 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)
Nov 17 07:40:04.568 INFO [stderr] 
Nov 17 07:40:04.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:40:04.568 INFO [stderr]   --> src/word_count.rs:41:13
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr] 41 |             write!(&mut output, "{} ", self.bytes);
Nov 17 07:40:04.568 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:40:04.568 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)
Nov 17 07:40:04.568 INFO [stderr] 
Nov 17 07:40:04.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:40:04.568 INFO [stderr]   --> src/word_count.rs:44:13
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr] 44 |             write!(&mut output, "{} ", self.chars);
Nov 17 07:40:04.568 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:40:04.568 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)
Nov 17 07:40:04.568 INFO [stderr] 
Nov 17 07:40:04.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:40:04.568 INFO [stderr]   --> src/word_count.rs:47:13
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr] 47 |             write!(&mut output, "{} ", self.max_length);
Nov 17 07:40:04.568 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:40:04.568 INFO [stderr]    |
Nov 17 07:40:04.568 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:40:04.568 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)
Nov 17 07:40:04.568 INFO [stderr] 
Nov 17 07:40:04.925 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Nov 17 07:40:04.932 INFO [stderr] su: No module specific data is present
Nov 17 07:40:05.788 INFO running `"docker" "inspect" "7553f7abe43c4177f3883d2d8a0cd184684efd8fc4bd42ac4ec47d7b85d19936"`
Nov 17 07:40:06.075 INFO running `"docker" "rm" "-f" "7553f7abe43c4177f3883d2d8a0cd184684efd8fc4bd42ac4ec47d7b85d19936"`
Nov 17 07:40:06.465 INFO [stdout] 7553f7abe43c4177f3883d2d8a0cd184684efd8fc4bd42ac4ec47d7b85d19936
Nov 17 07:40:06.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 07:40:06.936 INFO [stdout] 3e89fdba5fe50873304f547fe0539e1c9147669eddb8c7b910137636b173771d
Nov 17 07:40:06.943 INFO running `"docker" "start" "-a" "3e89fdba5fe50873304f547fe0539e1c9147669eddb8c7b910137636b173771d"`
Nov 17 07:40:08.103 INFO [stderr] usermod: no changes
Nov 17 07:40:08.207 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Nov 17 07:40:08.223 INFO [stderr]      Running /target/debug/deps/rust_wc-9c44d0b0a001cf75
Nov 17 07:40:08.226 INFO [stdout] 
Nov 17 07:40:08.227 INFO [stdout] running 0 tests
Nov 17 07:40:08.227 INFO [stdout] 
Nov 17 07:40:08.227 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:40:08.228 INFO [stdout] 
Nov 17 07:40:08.231 INFO [stderr] su: No module specific data is present
Nov 17 07:40:09.009 INFO running `"docker" "inspect" "3e89fdba5fe50873304f547fe0539e1c9147669eddb8c7b910137636b173771d"`
Nov 17 07:40:09.313 INFO running `"docker" "rm" "-f" "3e89fdba5fe50873304f547fe0539e1c9147669eddb8c7b910137636b173771d"`
Nov 17 07:40:09.607 INFO [stdout] 3e89fdba5fe50873304f547fe0539e1c9147669eddb8c7b910137636b173771d