Dec 06 07:05:42.220 INFO testing alyjak/distributed-chat against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:05:42.220 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 07:05:42.707 INFO [stdout] 840c3632a09ad9b9100317681ab055ae616e2b919bda36d2036e3e0b34aedd35
Dec 06 07:05:42.709 INFO running `"docker" "start" "-a" "840c3632a09ad9b9100317681ab055ae616e2b919bda36d2036e3e0b34aedd35"`
Dec 06 07:05:45.036 INFO [stderr] usermod: no changes
Dec 06 07:05:45.317 INFO [stderr]    Compiling assignment v0.1.0 (/source)
Dec 06 07:05:48.920 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:05:48.920 INFO [stderr]    --> src/message.rs:226:9
Dec 06 07:05:48.921 INFO [stderr]     |
Dec 06 07:05:48.921 INFO [stderr] 226 | /         write!(
Dec 06 07:05:48.921 INFO [stderr] 227 | |             f,
Dec 06 07:05:48.921 INFO [stderr] 228 | |             "[{} {}]",
Dec 06 07:05:48.921 INFO [stderr] 229 | |             unsafe { from_utf8_unchecked(&self.from[..]) },
Dec 06 07:05:48.921 INFO [stderr] 230 | |             self.typ
Dec 06 07:05:48.921 INFO [stderr] 231 | |         );
Dec 06 07:05:48.921 INFO [stderr]     | |__________^
Dec 06 07:05:48.921 INFO [stderr]     |
Dec 06 07:05:48.921 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 07:05:48.921 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:05:48.921 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 06 07:05:48.921 INFO [stderr] 
Dec 06 07:05:48.921 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:05:48.921 INFO [stderr]    --> src/message.rs:235:17
Dec 06 07:05:48.921 INFO [stderr]     |
Dec 06 07:05:48.921 INFO [stderr] 235 |                 write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) });
Dec 06 07:05:48.921 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:05:48.921 INFO [stderr]     |
Dec 06 07:05:48.921 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:05:48.921 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 06 07:05:48.921 INFO [stderr] 
Dec 06 07:05:56.871 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.79s
Dec 06 07:05:56.879 INFO [stderr] su: No module specific data is present
Dec 06 07:05:58.897 INFO running `"docker" "inspect" "840c3632a09ad9b9100317681ab055ae616e2b919bda36d2036e3e0b34aedd35"`
Dec 06 07:05:59.228 INFO running `"docker" "rm" "-f" "840c3632a09ad9b9100317681ab055ae616e2b919bda36d2036e3e0b34aedd35"`
Dec 06 07:05:59.560 INFO [stdout] 840c3632a09ad9b9100317681ab055ae616e2b919bda36d2036e3e0b34aedd35
Dec 06 07:05:59.566 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 07:05:59.985 INFO [stdout] a97414d569c34eccceca54257d296de4d7e0ebd7baf7ae5ae7e1fcd2247aee64
Dec 06 07:05:59.987 INFO running `"docker" "start" "-a" "a97414d569c34eccceca54257d296de4d7e0ebd7baf7ae5ae7e1fcd2247aee64"`
Dec 06 07:06:01.996 INFO [stderr] usermod: no changes
Dec 06 07:06:02.133 INFO [stderr]    Compiling assignment v0.1.0 (/source)
Dec 06 07:06:05.421 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:06:05.421 INFO [stderr]    --> src/message.rs:226:9
Dec 06 07:06:05.421 INFO [stderr]     |
Dec 06 07:06:05.421 INFO [stderr] 226 | /         write!(
Dec 06 07:06:05.421 INFO [stderr] 227 | |             f,
Dec 06 07:06:05.421 INFO [stderr] 228 | |             "[{} {}]",
Dec 06 07:06:05.421 INFO [stderr] 229 | |             unsafe { from_utf8_unchecked(&self.from[..]) },
Dec 06 07:06:05.421 INFO [stderr] 230 | |             self.typ
Dec 06 07:06:05.421 INFO [stderr] 231 | |         );
Dec 06 07:06:05.421 INFO [stderr]     | |__________^
Dec 06 07:06:05.421 INFO [stderr]     |
Dec 06 07:06:05.421 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 07:06:05.421 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:06:05.421 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 06 07:06:05.421 INFO [stderr] 
Dec 06 07:06:05.424 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:06:05.424 INFO [stderr]    --> src/message.rs:235:17
Dec 06 07:06:05.424 INFO [stderr]     |
Dec 06 07:06:05.424 INFO [stderr] 235 |                 write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) });
Dec 06 07:06:05.424 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:06:05.424 INFO [stderr]     |
Dec 06 07:06:05.424 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:06:05.424 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 06 07:06:05.424 INFO [stderr] 
Dec 06 07:06:06.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.64s
Dec 06 07:06:06.668 INFO [stderr] su: No module specific data is present
Dec 06 07:06:07.696 INFO running `"docker" "inspect" "a97414d569c34eccceca54257d296de4d7e0ebd7baf7ae5ae7e1fcd2247aee64"`
Dec 06 07:06:08.038 INFO running `"docker" "rm" "-f" "a97414d569c34eccceca54257d296de4d7e0ebd7baf7ae5ae7e1fcd2247aee64"`
Dec 06 07:06:08.364 INFO [stdout] a97414d569c34eccceca54257d296de4d7e0ebd7baf7ae5ae7e1fcd2247aee64
Dec 06 07:06:08.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 07:06:08.860 INFO [stdout] a30e47ba13634effe1de59366395d25f122087cc9002a2603594e6c3875553bc
Dec 06 07:06:08.862 INFO running `"docker" "start" "-a" "a30e47ba13634effe1de59366395d25f122087cc9002a2603594e6c3875553bc"`
Dec 06 07:06:11.352 INFO [stderr] usermod: no changes
Dec 06 07:06:11.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
Dec 06 07:06:11.584 INFO [stderr]      Running /target/debug/deps/assignment-f557f56e476e303b
Dec 06 07:06:11.596 INFO [stdout] 
Dec 06 07:06:11.596 INFO [stdout] running 0 tests
Dec 06 07:06:11.596 INFO [stdout] 
Dec 06 07:06:11.596 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:06:11.596 INFO [stdout] 
Dec 06 07:06:11.597 INFO [stderr]      Running /target/debug/deps/assignment-5d4986c486e7827d
Dec 06 07:06:11.600 INFO [stdout] 
Dec 06 07:06:11.600 INFO [stdout] running 0 tests
Dec 06 07:06:11.600 INFO [stdout] 
Dec 06 07:06:11.600 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:06:11.600 INFO [stdout] 
Dec 06 07:06:11.600 INFO [stderr]    Doc-tests assignment
Dec 06 07:06:15.528 INFO [stdout] 
Dec 06 07:06:15.528 INFO [stdout] running 0 tests
Dec 06 07:06:15.528 INFO [stdout] 
Dec 06 07:06:15.528 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:06:15.528 INFO [stdout] 
Dec 06 07:06:15.535 INFO [stderr] su: No module specific data is present
Dec 06 07:06:16.763 INFO running `"docker" "inspect" "a30e47ba13634effe1de59366395d25f122087cc9002a2603594e6c3875553bc"`
Dec 06 07:06:17.060 INFO running `"docker" "rm" "-f" "a30e47ba13634effe1de59366395d25f122087cc9002a2603594e6c3875553bc"`
Dec 06 07:06:17.312 INFO [stdout] a30e47ba13634effe1de59366395d25f122087cc9002a2603594e6c3875553bc