Dec 05 04:25:23.872 INFO checking webextension-protocol-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 04:25:23.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05 04:25:24.263 INFO [stdout] f75fb8170ae798577c12cd39a510ff37d06ce15997dbc801c8940ef9389600d7
Dec 05 04:25:24.265 INFO running `"docker" "start" "-a" "f75fb8170ae798577c12cd39a510ff37d06ce15997dbc801c8940ef9389600d7"`
Dec 05 04:25:25.125 INFO [stderr] usermod: no changes
Dec 05 04:25:25.179 INFO [stderr]     Checking webextension-protocol v0.1.0 (/source)
Dec 05 04:25:25.671 INFO [stderr] warning: variable `sizeVector` should have a snake case name such as `size_vector`
Dec 05 04:25:25.671 INFO [stderr]   --> src/lib.rs:88:9
Dec 05 04:25:25.671 INFO [stderr]    |
Dec 05 04:25:25.671 INFO [stderr] 88 |     let mut sizeVector = vec![];
Dec 05 04:25:25.671 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 04:25:25.671 INFO [stderr]    |
Dec 05 04:25:25.671 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 05 04:25:25.671 INFO [stderr] 
Dec 05 04:25:25.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:25.671 INFO [stderr]   --> src/lib.rs:90:5
Dec 05 04:25:25.672 INFO [stderr]    |
Dec 05 04:25:25.672 INFO [stderr] 90 |     output.write(&sizeVector);
Dec 05 04:25:25.672 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:25.672 INFO [stderr]    |
Dec 05 04:25:25.672 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:25:25.672 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:25.672 INFO [stderr] 
Dec 05 04:25:25.672 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:25.673 INFO [stderr]   --> src/lib.rs:91:5
Dec 05 04:25:25.673 INFO [stderr]    |
Dec 05 04:25:25.673 INFO [stderr] 91 |     output.write(&message.into_bytes());
Dec 05 04:25:25.673 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:25.673 INFO [stderr]    |
Dec 05 04:25:25.673 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:25.673 INFO [stderr] 
Dec 05 04:25:25.674 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:25.674 INFO [stderr]   --> src/lib.rs:92:5
Dec 05 04:25:25.674 INFO [stderr]    |
Dec 05 04:25:25.674 INFO [stderr] 92 |     output.flush();
Dec 05 04:25:25.674 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 04:25:25.674 INFO [stderr]    |
Dec 05 04:25:25.674 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:25.675 INFO [stderr] 
Dec 05 04:25:26.220 INFO [stderr] warning: variable `sizeVector` should have a snake case name such as `size_vector`
Dec 05 04:25:26.221 INFO [stderr]   --> src/lib.rs:88:9
Dec 05 04:25:26.221 INFO [stderr]    |
Dec 05 04:25:26.221 INFO [stderr] 88 |     let mut sizeVector = vec![];
Dec 05 04:25:26.222 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 04:25:26.263 INFO [stderr]    |
Dec 05 04:25:26.264 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 05 04:25:26.264 INFO [stderr] 
Dec 05 04:25:26.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:26.265 INFO [stderr]   --> src/lib.rs:90:5
Dec 05 04:25:26.265 INFO [stderr]    |
Dec 05 04:25:26.265 INFO [stderr] 90 |     output.write(&sizeVector);
Dec 05 04:25:26.266 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:26.266 INFO [stderr]    |
Dec 05 04:25:26.266 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:25:26.267 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:26.267 INFO [stderr] 
Dec 05 04:25:26.267 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:26.267 INFO [stderr]   --> src/lib.rs:91:5
Dec 05 04:25:26.267 INFO [stderr]    |
Dec 05 04:25:26.267 INFO [stderr] 91 |     output.write(&message.into_bytes());
Dec 05 04:25:26.267 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:26.267 INFO [stderr]    |
Dec 05 04:25:26.267 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:26.267 INFO [stderr] 
Dec 05 04:25:26.268 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:26.268 INFO [stderr]   --> src/lib.rs:92:5
Dec 05 04:25:26.268 INFO [stderr]    |
Dec 05 04:25:26.268 INFO [stderr] 92 |     output.flush();
Dec 05 04:25:26.268 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 04:25:26.268 INFO [stderr]    |
Dec 05 04:25:26.268 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:26.268 INFO [stderr] 
Dec 05 04:25:26.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:26.795 INFO [stderr]   --> tests/simple-tests.rs:25:5
Dec 05 04:25:26.795 INFO [stderr]    |
Dec 05 04:25:26.795 INFO [stderr] 25 |     fs::remove_file(file_path);
Dec 05 04:25:26.795 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:26.795 INFO [stderr]    |
Dec 05 04:25:26.795 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:25:26.795 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:26.795 INFO [stderr] 
Dec 05 04:25:26.827 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Dec 05 04:25:26.835 INFO [stderr] su: No module specific data is present
Dec 05 04:25:27.597 INFO running `"docker" "inspect" "f75fb8170ae798577c12cd39a510ff37d06ce15997dbc801c8940ef9389600d7"`
Dec 05 04:25:27.761 INFO running `"docker" "rm" "-f" "f75fb8170ae798577c12cd39a510ff37d06ce15997dbc801c8940ef9389600d7"`
Dec 05 04:25:27.899 INFO [stdout] f75fb8170ae798577c12cd39a510ff37d06ce15997dbc801c8940ef9389600d7