Dec 04 07:02:43.767 INFO checking wirelyre/vvvtar against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:02:43.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 07:02:44.075 INFO [stdout] 99d5393ccfe1c6df31152745007e784ec5baf4b70109af26a1d0bda342f4b47d
Dec 04 07:02:44.083 INFO running `"docker" "start" "-a" "99d5393ccfe1c6df31152745007e784ec5baf4b70109af26a1d0bda342f4b47d"`
Dec 04 07:02:44.826 INFO [stderr] usermod: no changes
Dec 04 07:02:44.856 INFO [stderr]     Checking vvvtar v0.1.0 (/source)
Dec 04 07:02:45.071 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:02:45.071 INFO [stderr]   --> src/main.rs:33:5
Dec 04 07:02:45.071 INFO [stderr]    |
Dec 04 07:02:45.071 INFO [stderr] 33 |     archive.write(&header.unparse().unwrap());
Dec 04 07:02:45.071 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:02:45.071 INFO [stderr]    |
Dec 04 07:02:45.071 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:02:45.071 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:02:45.071 INFO [stderr] 
Dec 04 07:02:45.071 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:02:45.071 INFO [stderr]   --> src/main.rs:72:9
Dec 04 07:02:45.071 INFO [stderr]    |
Dec 04 07:02:45.071 INFO [stderr] 72 |         std::io::stdout().flush();
Dec 04 07:02:45.071 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:02:45.071 INFO [stderr]    |
Dec 04 07:02:45.071 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:02:45.071 INFO [stderr] 
Dec 04 07:02:45.071 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:02:45.071 INFO [stderr]   --> src/main.rs:79:9
Dec 04 07:02:45.071 INFO [stderr]    |
Dec 04 07:02:45.071 INFO [stderr] 79 |         dst.write(&buf[0..progress]);
Dec 04 07:02:45.071 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:02:45.071 INFO [stderr]    |
Dec 04 07:02:45.071 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:02:45.071 INFO [stderr] 
Dec 04 07:02:45.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:02:45.077 INFO [stderr]   --> src/main.rs:33:5
Dec 04 07:02:45.077 INFO [stderr]    |
Dec 04 07:02:45.077 INFO [stderr] 33 |     archive.write(&header.unparse().unwrap());
Dec 04 07:02:45.077 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:02:45.077 INFO [stderr]    |
Dec 04 07:02:45.078 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:02:45.078 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:02:45.078 INFO [stderr] 
Dec 04 07:02:45.078 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:02:45.078 INFO [stderr]   --> src/main.rs:72:9
Dec 04 07:02:45.078 INFO [stderr]    |
Dec 04 07:02:45.078 INFO [stderr] 72 |         std::io::stdout().flush();
Dec 04 07:02:45.078 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:02:45.078 INFO [stderr]    |
Dec 04 07:02:45.078 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:02:45.078 INFO [stderr] 
Dec 04 07:02:45.078 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:02:45.078 INFO [stderr]   --> src/main.rs:79:9
Dec 04 07:02:45.078 INFO [stderr]    |
Dec 04 07:02:45.078 INFO [stderr] 79 |         dst.write(&buf[0..progress]);
Dec 04 07:02:45.078 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:02:45.078 INFO [stderr]    |
Dec 04 07:02:45.078 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:02:45.078 INFO [stderr] 
Dec 04 07:02:45.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Dec 04 07:02:45.097 INFO [stderr] su: No module specific data is present
Dec 04 07:02:45.403 INFO running `"docker" "inspect" "99d5393ccfe1c6df31152745007e784ec5baf4b70109af26a1d0bda342f4b47d"`
Dec 04 07:02:45.517 INFO running `"docker" "rm" "-f" "99d5393ccfe1c6df31152745007e784ec5baf4b70109af26a1d0bda342f4b47d"`
Dec 04 07:02:45.621 INFO [stdout] 99d5393ccfe1c6df31152745007e784ec5baf4b70109af26a1d0bda342f4b47d