Dec 05 03:14:45.285 INFO testing udtrokia/tson against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 03:14:45.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 03:14:45.700 INFO [stdout] 50ab6c4959835d3a6ebe870b89f0041ee6bd753fbd34df61941ca8061a27b050
Dec 05 03:14:45.700 INFO running `"docker" "start" "-a" "50ab6c4959835d3a6ebe870b89f0041ee6bd753fbd34df61941ca8061a27b050"`
Dec 05 03:14:46.396 INFO [stderr] usermod: no changes
Dec 05 03:14:46.455 INFO [stderr]    Compiling tson v0.1.0 (/source)
Dec 05 03:14:46.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:14:46.623 INFO [stderr]   --> main.rs:14:9
Dec 05 03:14:46.623 INFO [stderr]    |
Dec 05 03:14:46.623 INFO [stderr] 14 |         fout.write_all((new_line + "\n").as_bytes());
Dec 05 03:14:46.623 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:14:46.623 INFO [stderr]    |
Dec 05 03:14:46.623 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:14:46.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:14:46.623 INFO [stderr] 
Dec 05 03:14:46.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:14:46.623 INFO [stderr]   --> main.rs:16:5
Dec 05 03:14:46.623 INFO [stderr]    |
Dec 05 03:14:46.623 INFO [stderr] 16 |     fout.flush();
Dec 05 03:14:46.623 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 03:14:46.623 INFO [stderr]    |
Dec 05 03:14:46.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:14:46.623 INFO [stderr] 
Dec 05 03:14:47.071 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 05 03:14:47.073 INFO [stderr] su: No module specific data is present
Dec 05 03:14:47.385 INFO running `"docker" "inspect" "50ab6c4959835d3a6ebe870b89f0041ee6bd753fbd34df61941ca8061a27b050"`
Dec 05 03:14:47.479 INFO running `"docker" "rm" "-f" "50ab6c4959835d3a6ebe870b89f0041ee6bd753fbd34df61941ca8061a27b050"`
Dec 05 03:14:47.570 INFO [stdout] 50ab6c4959835d3a6ebe870b89f0041ee6bd753fbd34df61941ca8061a27b050
Dec 05 03:14:47.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 03:14:47.831 INFO [stdout] 5921945c3ac7b8e24b83ce9ca747a6c2c62133e928ee641fb76d05d772a6f6d4
Dec 05 03:14:47.834 INFO running `"docker" "start" "-a" "5921945c3ac7b8e24b83ce9ca747a6c2c62133e928ee641fb76d05d772a6f6d4"`
Dec 05 03:14:48.219 INFO [stderr] usermod: no changes
Dec 05 03:14:48.241 INFO [stderr]    Compiling tson v0.1.0 (/source)
Dec 05 03:14:48.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:14:48.408 INFO [stderr]   --> main.rs:14:9
Dec 05 03:14:48.408 INFO [stderr]    |
Dec 05 03:14:48.408 INFO [stderr] 14 |         fout.write_all((new_line + "\n").as_bytes());
Dec 05 03:14:48.408 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:14:48.408 INFO [stderr]    |
Dec 05 03:14:48.408 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:14:48.408 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:14:48.408 INFO [stderr] 
Dec 05 03:14:48.409 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:14:48.409 INFO [stderr]   --> main.rs:16:5
Dec 05 03:14:48.409 INFO [stderr]    |
Dec 05 03:14:48.409 INFO [stderr] 16 |     fout.flush();
Dec 05 03:14:48.409 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 03:14:48.409 INFO [stderr]    |
Dec 05 03:14:48.409 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:14:48.409 INFO [stderr] 
Dec 05 03:14:48.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 05 03:14:48.660 INFO [stderr] su: No module specific data is present
Dec 05 03:14:49.048 INFO running `"docker" "inspect" "5921945c3ac7b8e24b83ce9ca747a6c2c62133e928ee641fb76d05d772a6f6d4"`
Dec 05 03:14:49.245 INFO running `"docker" "rm" "-f" "5921945c3ac7b8e24b83ce9ca747a6c2c62133e928ee641fb76d05d772a6f6d4"`
Dec 05 03:14:49.457 INFO [stdout] 5921945c3ac7b8e24b83ce9ca747a6c2c62133e928ee641fb76d05d772a6f6d4
Dec 05 03:14:49.462 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 03:14:49.740 INFO [stdout] 15cbda6dc6febb42573307416ee841d62252f6b8d58f0108ae8922db47c5a174
Dec 05 03:14:49.748 INFO running `"docker" "start" "-a" "15cbda6dc6febb42573307416ee841d62252f6b8d58f0108ae8922db47c5a174"`
Dec 05 03:14:50.411 INFO [stderr] usermod: no changes
Dec 05 03:14:50.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 03:14:50.460 INFO [stderr]      Running /target/debug/deps/tson-8b48eede938dc6f8
Dec 05 03:14:50.470 INFO [stdout] 
Dec 05 03:14:50.470 INFO [stdout] running 0 tests
Dec 05 03:14:50.470 INFO [stdout] 
Dec 05 03:14:50.470 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 03:14:50.470 INFO [stdout] 
Dec 05 03:14:50.472 INFO [stderr] su: No module specific data is present
Dec 05 03:14:50.964 INFO running `"docker" "inspect" "15cbda6dc6febb42573307416ee841d62252f6b8d58f0108ae8922db47c5a174"`
Dec 05 03:14:51.141 INFO running `"docker" "rm" "-f" "15cbda6dc6febb42573307416ee841d62252f6b8d58f0108ae8922db47c5a174"`
Dec 05 03:14:51.296 INFO [stdout] 15cbda6dc6febb42573307416ee841d62252f6b8d58f0108ae8922db47c5a174