Dec 05 04:25:27.969 INFO checking webextension-protocol-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 04:25:27.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05 04:25:28.220 INFO [stdout] 112d88804ad3f51211d3602995b370cc5e84f9cb7675823e728ecec7acb59adb
Dec 05 04:25:28.222 INFO running `"docker" "start" "-a" "112d88804ad3f51211d3602995b370cc5e84f9cb7675823e728ecec7acb59adb"`
Dec 05 04:25:29.092 INFO [stderr] usermod: no changes
Dec 05 04:25:29.128 INFO [stderr]     Checking webextension-protocol v0.1.0 (/source)
Dec 05 04:25:29.539 INFO [stderr] warning: variable `sizeVector` should have a snake case name such as `size_vector`
Dec 05 04:25:29.539 INFO [stderr]   --> src/lib.rs:88:9
Dec 05 04:25:29.539 INFO [stderr]    |
Dec 05 04:25:29.539 INFO [stderr] 88 |     let mut sizeVector = vec![];
Dec 05 04:25:29.539 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 04:25:29.539 INFO [stderr]    |
Dec 05 04:25:29.539 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 05 04:25:29.539 INFO [stderr] 
Dec 05 04:25:29.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:29.540 INFO [stderr]   --> src/lib.rs:90:5
Dec 05 04:25:29.540 INFO [stderr]    |
Dec 05 04:25:29.540 INFO [stderr] 90 |     output.write(&sizeVector);
Dec 05 04:25:29.540 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:29.540 INFO [stderr]    |
Dec 05 04:25:29.540 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:25:29.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:29.540 INFO [stderr] 
Dec 05 04:25:29.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:29.540 INFO [stderr]   --> src/lib.rs:91:5
Dec 05 04:25:29.540 INFO [stderr]    |
Dec 05 04:25:29.540 INFO [stderr] 91 |     output.write(&message.into_bytes());
Dec 05 04:25:29.540 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:29.540 INFO [stderr]    |
Dec 05 04:25:29.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:29.540 INFO [stderr] 
Dec 05 04:25:29.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:29.540 INFO [stderr]   --> src/lib.rs:92:5
Dec 05 04:25:29.540 INFO [stderr]    |
Dec 05 04:25:29.540 INFO [stderr] 92 |     output.flush();
Dec 05 04:25:29.540 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 04:25:29.540 INFO [stderr]    |
Dec 05 04:25:29.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:29.540 INFO [stderr] 
Dec 05 04:25:29.719 INFO [stderr] warning: variable `sizeVector` should have a snake case name such as `size_vector`
Dec 05 04:25:29.719 INFO [stderr]   --> src/lib.rs:88:9
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr] 88 |     let mut sizeVector = vec![];
Dec 05 04:25:29.719 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 05 04:25:29.719 INFO [stderr] 
Dec 05 04:25:29.719 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:29.719 INFO [stderr]   --> src/lib.rs:90:5
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr] 90 |     output.write(&sizeVector);
Dec 05 04:25:29.719 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:25:29.719 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:29.719 INFO [stderr] 
Dec 05 04:25:29.719 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:29.719 INFO [stderr]   --> src/lib.rs:91:5
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr] 91 |     output.write(&message.into_bytes());
Dec 05 04:25:29.719 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:29.719 INFO [stderr] 
Dec 05 04:25:29.719 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:29.719 INFO [stderr]   --> src/lib.rs:92:5
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr] 92 |     output.flush();
Dec 05 04:25:29.719 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 04:25:29.719 INFO [stderr]    |
Dec 05 04:25:29.719 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:29.719 INFO [stderr] 
Dec 05 04:25:30.107 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:25:30.107 INFO [stderr]   --> tests/simple-tests.rs:25:5
Dec 05 04:25:30.107 INFO [stderr]    |
Dec 05 04:25:30.107 INFO [stderr] 25 |     fs::remove_file(file_path);
Dec 05 04:25:30.107 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:25:30.107 INFO [stderr]    |
Dec 05 04:25:30.107 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:25:30.107 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:25:30.107 INFO [stderr] 
Dec 05 04:25:30.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 05 04:25:30.123 INFO [stderr] su: No module specific data is present
Dec 05 04:25:30.451 INFO running `"docker" "inspect" "112d88804ad3f51211d3602995b370cc5e84f9cb7675823e728ecec7acb59adb"`
Dec 05 04:25:30.556 INFO running `"docker" "rm" "-f" "112d88804ad3f51211d3602995b370cc5e84f9cb7675823e728ecec7acb59adb"`
Dec 05 04:25:30.679 INFO [stdout] 112d88804ad3f51211d3602995b370cc5e84f9cb7675823e728ecec7acb59adb