Dec 06 06:14:33.381 INFO testing austbot/tab against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 06:14:33.381 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 06:14:33.804 INFO [stdout] 9abe5ecde801a5dfacd64683933eeabd97504d117055e9d77a9a366e2db58012
Dec 06 06:14:33.808 INFO running `"docker" "start" "-a" "9abe5ecde801a5dfacd64683933eeabd97504d117055e9d77a9a366e2db58012"`
Dec 06 06:14:35.111 INFO [stderr] usermod: no changes
Dec 06 06:14:35.146 INFO [stderr]    Compiling swim v0.1.0 (/source/swim)
Dec 06 06:14:35.487 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 06:14:35.487 INFO [stderr]   --> swim/src/lib.rs:54:9
Dec 06 06:14:35.487 INFO [stderr]    |
Dec 06 06:14:35.487 INFO [stderr] 54 |         self.sender.as_ref().unwrap().send(job);
Dec 06 06:14:35.487 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 06:14:35.487 INFO [stderr]    |
Dec 06 06:14:35.487 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 06:14:35.487 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 06:14:35.487 INFO [stderr] 
Dec 06 06:14:36.099 INFO [stderr]    Compiling tab v0.1.0 (/source)
Dec 06 06:14:36.859 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
Dec 06 06:14:36.863 INFO [stderr] su: No module specific data is present
Dec 06 06:14:37.185 INFO running `"docker" "inspect" "9abe5ecde801a5dfacd64683933eeabd97504d117055e9d77a9a366e2db58012"`
Dec 06 06:14:37.271 INFO running `"docker" "rm" "-f" "9abe5ecde801a5dfacd64683933eeabd97504d117055e9d77a9a366e2db58012"`
Dec 06 06:14:37.400 INFO [stdout] 9abe5ecde801a5dfacd64683933eeabd97504d117055e9d77a9a366e2db58012
Dec 06 06:14:37.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 06:14:37.646 INFO [stdout] 9644b27259c36b47012a1da921d50e7f569008d4ed4a5475e4f0848bd7e98fa2
Dec 06 06:14:37.647 INFO running `"docker" "start" "-a" "9644b27259c36b47012a1da921d50e7f569008d4ed4a5475e4f0848bd7e98fa2"`
Dec 06 06:14:38.275 INFO [stderr] usermod: no changes
Dec 06 06:14:38.301 INFO [stderr]    Compiling tab v0.1.0 (/source)
Dec 06 06:14:38.912 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 06 06:14:38.914 INFO [stderr] su: No module specific data is present
Dec 06 06:14:39.240 INFO running `"docker" "inspect" "9644b27259c36b47012a1da921d50e7f569008d4ed4a5475e4f0848bd7e98fa2"`
Dec 06 06:14:39.366 INFO running `"docker" "rm" "-f" "9644b27259c36b47012a1da921d50e7f569008d4ed4a5475e4f0848bd7e98fa2"`
Dec 06 06:14:39.533 INFO [stdout] 9644b27259c36b47012a1da921d50e7f569008d4ed4a5475e4f0848bd7e98fa2
Dec 06 06:14:39.538 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 06:14:40.020 INFO [stdout] aa47f5df9021471c7606407d4904c1466a2a7bd04ce06b0a1795b8449a8bd469
Dec 06 06:14:40.024 INFO running `"docker" "start" "-a" "aa47f5df9021471c7606407d4904c1466a2a7bd04ce06b0a1795b8449a8bd469"`
Dec 06 06:14:40.755 INFO [stderr] usermod: no changes
Dec 06 06:14:40.805 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 06:14:40.805 INFO [stdout] 
Dec 06 06:14:40.805 INFO [stderr]      Running /target/debug/deps/tab-b41cc8b66370d42f
Dec 06 06:14:40.805 INFO [stdout] running 0 tests
Dec 06 06:14:40.805 INFO [stdout] 
Dec 06 06:14:40.805 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 06:14:40.805 INFO [stdout] 
Dec 06 06:14:40.807 INFO [stderr] su: No module specific data is present
Dec 06 06:14:41.262 INFO running `"docker" "inspect" "aa47f5df9021471c7606407d4904c1466a2a7bd04ce06b0a1795b8449a8bd469"`
Dec 06 06:14:41.402 INFO running `"docker" "rm" "-f" "aa47f5df9021471c7606407d4904c1466a2a7bd04ce06b0a1795b8449a8bd469"`
Dec 06 06:14:41.593 INFO [stdout] aa47f5df9021471c7606407d4904c1466a2a7bd04ce06b0a1795b8449a8bd469