Dec 11 19:28:43.551 INFO checking dputtick/protobuf against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:28:43.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 19:28:43.745 INFO [stdout] 7ed3d826e6b964283c398ec217689643a90bec37991f54d9fef5f93a85e3b67a
Dec 11 19:28:43.749 INFO running `"docker" "start" "-a" "7ed3d826e6b964283c398ec217689643a90bec37991f54d9fef5f93a85e3b67a"`
Dec 11 19:28:44.428 INFO [stderr] usermod: no changes
Dec 11 19:28:44.457 INFO [stderr]     Checking protobuf v0.1.0 (/source)
Dec 11 19:28:44.802 INFO [stderr] warning: method is never used: `from_bytes`
Dec 11 19:28:44.802 INFO [stderr]  --> src/main.rs:7:5
Dec 11 19:28:44.802 INFO [stderr]   |
Dec 11 19:28:44.802 INFO [stderr] 7 |     fn from_bytes(slice_bytes: &[u8]) -> IntMessage {
Dec 11 19:28:44.802 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:28:44.802 INFO [stderr]   |
Dec 11 19:28:44.802 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 19:28:44.802 INFO [stderr] 
Dec 11 19:28:44.802 INFO [stderr] warning: function is never used: `next_varint_pos`
Dec 11 19:28:44.803 INFO [stderr]   --> src/main.rs:26:1
Dec 11 19:28:44.803 INFO [stderr]    |
Dec 11 19:28:44.803 INFO [stderr] 26 | fn next_varint_pos(slice: &[u8], start: u64) -> u64 {
Dec 11 19:28:44.803 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:28:44.803 INFO [stderr] 
Dec 11 19:28:44.803 INFO [stderr] warning: function is never used: `varint_decode`
Dec 11 19:28:44.803 INFO [stderr]   --> src/main.rs:37:1
Dec 11 19:28:44.803 INFO [stderr]    |
Dec 11 19:28:44.803 INFO [stderr] 37 | fn varint_decode(bytes: &[u8]) -> u64 {
Dec 11 19:28:44.803 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:28:44.803 INFO [stderr] 
Dec 11 19:28:44.803 INFO [stderr] warning: variant is never constructed: `Varint`
Dec 11 19:28:44.803 INFO [stderr]   --> src/main.rs:55:5
Dec 11 19:28:44.803 INFO [stderr]    |
Dec 11 19:28:44.803 INFO [stderr] 55 |     Varint,
Dec 11 19:28:44.803 INFO [stderr]    |     ^^^^^^
Dec 11 19:28:44.803 INFO [stderr] 
Dec 11 19:28:44.804 INFO [stderr] warning: function is never used: `unpack_key`
Dec 11 19:28:44.804 INFO [stderr]   --> src/main.rs:58:1
Dec 11 19:28:44.804 INFO [stderr]    |
Dec 11 19:28:44.804 INFO [stderr] 58 | fn unpack_key(varint_key: &[u8]) -> Key {
Dec 11 19:28:44.804 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:28:44.804 INFO [stderr] 
Dec 11 19:28:44.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 11 19:28:44.882 INFO [stderr] su: No module specific data is present
Dec 11 19:28:45.122 INFO running `"docker" "inspect" "7ed3d826e6b964283c398ec217689643a90bec37991f54d9fef5f93a85e3b67a"`
Dec 11 19:28:45.211 INFO running `"docker" "rm" "-f" "7ed3d826e6b964283c398ec217689643a90bec37991f54d9fef5f93a85e3b67a"`
Dec 11 19:28:45.315 INFO [stdout] 7ed3d826e6b964283c398ec217689643a90bec37991f54d9fef5f93a85e3b67a