Dec 11 06:08:00.479 INFO checking wirelyre/vvvtar against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:08:00.479 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 06:08:00.828 INFO [stdout] ba205d75b25a574698c03687cc12e7468401fbdd5c72b5dcc7c193adcd30848c
Dec 11 06:08:00.831 INFO running `"docker" "start" "-a" "ba205d75b25a574698c03687cc12e7468401fbdd5c72b5dcc7c193adcd30848c"`
Dec 11 06:08:01.866 INFO [stderr] usermod: no changes
Dec 11 06:08:01.932 INFO [stderr]     Checking vvvtar v0.1.0 (/source)
Dec 11 06:08:02.444 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:08:02.444 INFO [stderr]   --> src/main.rs:33:5
Dec 11 06:08:02.445 INFO [stderr]    |
Dec 11 06:08:02.445 INFO [stderr] 33 |     archive.write(&header.unparse().unwrap());
Dec 11 06:08:02.445 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:08:02.446 INFO [stderr]    |
Dec 11 06:08:02.446 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:08:02.446 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:08:02.446 INFO [stderr] 
Dec 11 06:08:02.447 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:08:02.447 INFO [stderr]   --> src/main.rs:72:9
Dec 11 06:08:02.447 INFO [stderr]    |
Dec 11 06:08:02.448 INFO [stderr] 72 |         std::io::stdout().flush();
Dec 11 06:08:02.448 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:08:02.448 INFO [stderr]    |
Dec 11 06:08:02.449 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:08:02.449 INFO [stderr] 
Dec 11 06:08:02.449 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:08:02.450 INFO [stderr]   --> src/main.rs:79:9
Dec 11 06:08:02.450 INFO [stderr]    |
Dec 11 06:08:02.451 INFO [stderr] 79 |         dst.write(&buf[0..progress]);
Dec 11 06:08:02.454 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:08:02.454 INFO [stderr]    |
Dec 11 06:08:02.454 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:08:02.454 INFO [stderr] 
Dec 11 06:08:02.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:08:02.500 INFO [stderr]   --> src/main.rs:33:5
Dec 11 06:08:02.500 INFO [stderr]    |
Dec 11 06:08:02.500 INFO [stderr] 33 |     archive.write(&header.unparse().unwrap());
Dec 11 06:08:02.501 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:08:02.501 INFO [stderr]    |
Dec 11 06:08:02.501 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:08:02.502 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:08:02.502 INFO [stderr] 
Dec 11 06:08:02.502 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:08:02.502 INFO [stderr]   --> src/main.rs:72:9
Dec 11 06:08:02.503 INFO [stderr]    |
Dec 11 06:08:02.503 INFO [stderr] 72 |         std::io::stdout().flush();
Dec 11 06:08:02.503 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:08:02.504 INFO [stderr]    |
Dec 11 06:08:02.504 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:08:02.504 INFO [stderr] 
Dec 11 06:08:02.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:08:02.505 INFO [stderr]   --> src/main.rs:79:9
Dec 11 06:08:02.505 INFO [stderr]    |
Dec 11 06:08:02.505 INFO [stderr] 79 |         dst.write(&buf[0..progress]);
Dec 11 06:08:02.506 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:08:02.506 INFO [stderr]    |
Dec 11 06:08:02.506 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:08:02.507 INFO [stderr] 
Dec 11 06:08:02.567 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 11 06:08:02.574 INFO [stderr] su: No module specific data is present
Dec 11 06:08:03.379 INFO running `"docker" "inspect" "ba205d75b25a574698c03687cc12e7468401fbdd5c72b5dcc7c193adcd30848c"`
Dec 11 06:08:03.552 INFO running `"docker" "rm" "-f" "ba205d75b25a574698c03687cc12e7468401fbdd5c72b5dcc7c193adcd30848c"`
Dec 11 06:08:03.812 INFO [stdout] ba205d75b25a574698c03687cc12e7468401fbdd5c72b5dcc7c193adcd30848c