Nov 29 03:50:19.250 INFO checking candid_server-0.2.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 03:50:19.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 29 03:50:19.776 INFO [stdout] d1b862a07ef88d45fddf85116ddf474cc71823ac5e9b38f09e3021bda79dbef5
Nov 29 03:50:19.780 INFO running `"docker" "start" "-a" "d1b862a07ef88d45fddf85116ddf474cc71823ac5e9b38f09e3021bda79dbef5"`
Nov 29 03:50:20.763 INFO [stderr] usermod: no changes
Nov 29 03:50:20.912 INFO [stderr]     Checking socketcan v1.7.0
Nov 29 03:50:21.980 INFO [stderr]     Checking candid_server v0.2.1 (/source)
Nov 29 03:50:24.083 INFO [stderr] warning: field is never used: `can_socket`
Nov 29 03:50:24.083 INFO [stderr]   --> src/client_handler.rs:10:5
Nov 29 03:50:24.083 INFO [stderr]    |
Nov 29 03:50:24.083 INFO [stderr] 10 |     can_socket: Arc<Mutex<CANSocket>>,
Nov 29 03:50:24.083 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 03:50:24.083 INFO [stderr]    |
Nov 29 03:50:24.083 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 03:50:24.084 INFO [stderr] 
Nov 29 03:50:24.085 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 03:50:24.085 INFO [stderr]   --> src/can_reader.rs:29:21
Nov 29 03:50:24.085 INFO [stderr]    |
Nov 29 03:50:24.085 INFO [stderr] 29 |                     client.send(frame.clone());
Nov 29 03:50:24.085 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 03:50:24.085 INFO [stderr]    |
Nov 29 03:50:24.085 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 03:50:24.085 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 03:50:24.085 INFO [stderr] 
Nov 29 03:50:24.344 INFO [stderr] warning: field is never used: `can_socket`
Nov 29 03:50:24.344 INFO [stderr]   --> src/client_handler.rs:10:5
Nov 29 03:50:24.344 INFO [stderr]    |
Nov 29 03:50:24.344 INFO [stderr] 10 |     can_socket: Arc<Mutex<CANSocket>>,
Nov 29 03:50:24.344 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 03:50:24.356 INFO [stderr]    |
Nov 29 03:50:24.356 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 03:50:24.356 INFO [stderr] 
Nov 29 03:50:24.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 03:50:24.356 INFO [stderr]   --> src/can_reader.rs:29:21
Nov 29 03:50:24.356 INFO [stderr]    |
Nov 29 03:50:24.356 INFO [stderr] 29 |                     client.send(frame.clone());
Nov 29 03:50:24.356 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 03:50:24.356 INFO [stderr]    |
Nov 29 03:50:24.356 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 03:50:24.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 03:50:24.356 INFO [stderr] 
Nov 29 03:50:28.366 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
Nov 29 03:50:28.371 INFO [stderr] su: No module specific data is present
Nov 29 03:50:28.920 INFO running `"docker" "inspect" "d1b862a07ef88d45fddf85116ddf474cc71823ac5e9b38f09e3021bda79dbef5"`
Nov 29 03:50:29.158 INFO running `"docker" "rm" "-f" "d1b862a07ef88d45fddf85116ddf474cc71823ac5e9b38f09e3021bda79dbef5"`
Nov 29 03:50:29.445 INFO [stdout] d1b862a07ef88d45fddf85116ddf474cc71823ac5e9b38f09e3021bda79dbef5