Dec 04 07:55:15.348 INFO checking udtrokia/tson against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:55:15.348 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-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 04 07:55:15.519 INFO [stdout] c002767e629065be147307a92405de1ac82e00256e881c0868f66a0056ffb719
Dec 04 07:55:15.521 INFO running `"docker" "start" "-a" "c002767e629065be147307a92405de1ac82e00256e881c0868f66a0056ffb719"`
Dec 04 07:55:15.936 INFO [stderr] usermod: no changes
Dec 04 07:55:15.969 INFO [stderr]     Checking tson v0.1.0 (/source)
Dec 04 07:55:16.087 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:55:16.087 INFO [stderr]   --> main.rs:14:9
Dec 04 07:55:16.087 INFO [stderr]    |
Dec 04 07:55:16.087 INFO [stderr] 14 |         fout.write_all((new_line + "\n").as_bytes());
Dec 04 07:55:16.087 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:16.087 INFO [stderr]    |
Dec 04 07:55:16.087 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:55:16.087 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:55:16.087 INFO [stderr] 
Dec 04 07:55:16.087 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:55:16.087 INFO [stderr]   --> main.rs:16:5
Dec 04 07:55:16.087 INFO [stderr]    |
Dec 04 07:55:16.087 INFO [stderr] 16 |     fout.flush();
Dec 04 07:55:16.087 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 07:55:16.087 INFO [stderr]    |
Dec 04 07:55:16.087 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:55:16.087 INFO [stderr] 
Dec 04 07:55:16.126 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:55:16.126 INFO [stderr]   --> main.rs:14:9
Dec 04 07:55:16.126 INFO [stderr]    |
Dec 04 07:55:16.126 INFO [stderr] 14 |         fout.write_all((new_line + "\n").as_bytes());
Dec 04 07:55:16.126 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:16.126 INFO [stderr]    |
Dec 04 07:55:16.126 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:55:16.126 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:55:16.126 INFO [stderr] 
Dec 04 07:55:16.126 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:55:16.126 INFO [stderr]   --> main.rs:16:5
Dec 04 07:55:16.126 INFO [stderr]    |
Dec 04 07:55:16.126 INFO [stderr] 16 |     fout.flush();
Dec 04 07:55:16.126 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 07:55:16.126 INFO [stderr]    |
Dec 04 07:55:16.126 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:55:16.126 INFO [stderr] 
Dec 04 07:55:16.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
Dec 04 07:55:16.137 INFO [stderr] su: No module specific data is present
Dec 04 07:55:16.529 INFO running `"docker" "inspect" "c002767e629065be147307a92405de1ac82e00256e881c0868f66a0056ffb719"`
Dec 04 07:55:16.708 INFO running `"docker" "rm" "-f" "c002767e629065be147307a92405de1ac82e00256e881c0868f66a0056ffb719"`
Dec 04 07:55:16.827 INFO [stdout] c002767e629065be147307a92405de1ac82e00256e881c0868f66a0056ffb719