Dec 12 22:53:11.743 INFO testing udtrokia/tson against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 22:53:11.743 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 22:53:12.009 INFO [stdout] c729f40fb15d422af9d25bf66927c57b300e3ca43f04f70886373e78a7efa1aa
Dec 12 22:53:12.012 INFO running `"docker" "start" "-a" "c729f40fb15d422af9d25bf66927c57b300e3ca43f04f70886373e78a7efa1aa"`
Dec 12 22:53:12.371 INFO [stderr] usermod: no changes
Dec 12 22:53:12.385 INFO [stderr]    Compiling tson v0.1.0 (/source)
Dec 12 22:53:12.527 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 22:53:12.527 INFO [stderr]   --> main.rs:14:9
Dec 12 22:53:12.527 INFO [stderr]    |
Dec 12 22:53:12.527 INFO [stderr] 14 |         fout.write_all((new_line + "\n").as_bytes());
Dec 12 22:53:12.527 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:53:12.527 INFO [stderr]    |
Dec 12 22:53:12.527 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 22:53:12.527 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 22:53:12.527 INFO [stderr] 
Dec 12 22:53:12.527 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 22:53:12.527 INFO [stderr]   --> main.rs:16:5
Dec 12 22:53:12.527 INFO [stderr]    |
Dec 12 22:53:12.527 INFO [stderr] 16 |     fout.flush();
Dec 12 22:53:12.527 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 22:53:12.527 INFO [stderr]    |
Dec 12 22:53:12.527 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 22:53:12.527 INFO [stderr] 
Dec 12 22:53:12.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 12 22:53:12.919 INFO [stderr] su: No module specific data is present
Dec 12 22:53:13.471 INFO running `"docker" "inspect" "c729f40fb15d422af9d25bf66927c57b300e3ca43f04f70886373e78a7efa1aa"`
Dec 12 22:53:13.679 INFO running `"docker" "rm" "-f" "c729f40fb15d422af9d25bf66927c57b300e3ca43f04f70886373e78a7efa1aa"`
Dec 12 22:53:13.931 INFO [stdout] c729f40fb15d422af9d25bf66927c57b300e3ca43f04f70886373e78a7efa1aa
Dec 12 22:53:13.935 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 22:53:14.320 INFO [stdout] 68a1918a8ad235589217a41c23acb31d06d636132abdc57cedf24bfec8d8d1f9
Dec 12 22:53:14.333 INFO running `"docker" "start" "-a" "68a1918a8ad235589217a41c23acb31d06d636132abdc57cedf24bfec8d8d1f9"`
Dec 12 22:53:15.302 INFO [stderr] usermod: no changes
Dec 12 22:53:15.359 INFO [stderr]    Compiling tson v0.1.0 (/source)
Dec 12 22:53:15.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 22:53:15.607 INFO [stderr]   --> main.rs:14:9
Dec 12 22:53:15.607 INFO [stderr]    |
Dec 12 22:53:15.607 INFO [stderr] 14 |         fout.write_all((new_line + "\n").as_bytes());
Dec 12 22:53:15.607 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:53:15.607 INFO [stderr]    |
Dec 12 22:53:15.607 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 22:53:15.607 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 22:53:15.607 INFO [stderr] 
Dec 12 22:53:15.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 22:53:15.607 INFO [stderr]   --> main.rs:16:5
Dec 12 22:53:15.607 INFO [stderr]    |
Dec 12 22:53:15.607 INFO [stderr] 16 |     fout.flush();
Dec 12 22:53:15.607 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 22:53:15.607 INFO [stderr]    |
Dec 12 22:53:15.607 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 22:53:15.607 INFO [stderr] 
Dec 12 22:53:15.987 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 12 22:53:15.987 INFO [stderr] su: No module specific data is present
Dec 12 22:53:17.030 INFO running `"docker" "inspect" "68a1918a8ad235589217a41c23acb31d06d636132abdc57cedf24bfec8d8d1f9"`
Dec 12 22:53:17.280 INFO running `"docker" "rm" "-f" "68a1918a8ad235589217a41c23acb31d06d636132abdc57cedf24bfec8d8d1f9"`
Dec 12 22:53:17.590 INFO [stdout] 68a1918a8ad235589217a41c23acb31d06d636132abdc57cedf24bfec8d8d1f9
Dec 12 22:53:17.593 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 22:53:18.105 INFO [stdout] 7c7c65c58047070a82a1fa33d83b139f51cf8e4d7a7e1461e8049a635205b76b
Dec 12 22:53:18.109 INFO running `"docker" "start" "-a" "7c7c65c58047070a82a1fa33d83b139f51cf8e4d7a7e1461e8049a635205b76b"`
Dec 12 22:53:19.217 INFO [stderr] usermod: no changes
Dec 12 22:53:19.249 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 12 22:53:19.251 INFO [stderr]      Running /target/debug/deps/tson-84a68a7dab3ec9a6
Dec 12 22:53:19.252 INFO [stdout] 
Dec 12 22:53:19.252 INFO [stdout] running 0 tests
Dec 12 22:53:19.252 INFO [stdout] 
Dec 12 22:53:19.252 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 22:53:19.252 INFO [stdout] 
Dec 12 22:53:19.254 INFO [stderr] su: No module specific data is present
Dec 12 22:53:19.785 INFO running `"docker" "inspect" "7c7c65c58047070a82a1fa33d83b139f51cf8e4d7a7e1461e8049a635205b76b"`
Dec 12 22:53:20.011 INFO running `"docker" "rm" "-f" "7c7c65c58047070a82a1fa33d83b139f51cf8e4d7a7e1461e8049a635205b76b"`
Dec 12 22:53:20.191 INFO [stdout] 7c7c65c58047070a82a1fa33d83b139f51cf8e4d7a7e1461e8049a635205b76b