Dec 18 17:57:14.872 INFO checking candid_server-0.2.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:57:14.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/candid_server/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:57:15.404 INFO [stdout] 4c155e02cff618f0530e6fe5e24e35b29c29ccf07ae4aad68a28182b632cdae5
Dec 18 17:57:15.411 INFO running `"docker" "start" "-a" "4c155e02cff618f0530e6fe5e24e35b29c29ccf07ae4aad68a28182b632cdae5"`
Dec 18 17:57:16.879 INFO [stderr]     Checking socketcan v1.7.0
Dec 18 17:57:17.624 INFO [stderr]     Checking candid_server v0.2.1 (/opt/crater/workdir)
Dec 18 17:57:18.712 INFO [stderr] warning: field is never used: `can_socket`
Dec 18 17:57:18.712 INFO [stderr]   --> src/client_handler.rs:10:5
Dec 18 17:57:18.712 INFO [stderr]    |
Dec 18 17:57:18.712 INFO [stderr] 10 |     can_socket: Arc<Mutex<CANSocket>>,
Dec 18 17:57:18.712 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:57:18.712 INFO [stderr]    |
Dec 18 17:57:18.712 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 17:57:18.712 INFO [stderr] 
Dec 18 17:57:18.720 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:57:18.720 INFO [stderr]   --> src/can_reader.rs:29:21
Dec 18 17:57:18.720 INFO [stderr]    |
Dec 18 17:57:18.720 INFO [stderr] 29 |                     client.send(frame.clone());
Dec 18 17:57:18.720 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:57:18.720 INFO [stderr]    |
Dec 18 17:57:18.720 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 17:57:18.720 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:57:18.720 INFO [stderr] 
Dec 18 17:57:19.314 INFO [stderr] warning: field is never used: `can_socket`
Dec 18 17:57:19.314 INFO [stderr]   --> src/client_handler.rs:10:5
Dec 18 17:57:19.314 INFO [stderr]    |
Dec 18 17:57:19.314 INFO [stderr] 10 |     can_socket: Arc<Mutex<CANSocket>>,
Dec 18 17:57:19.314 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:57:19.314 INFO [stderr]    |
Dec 18 17:57:19.314 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 17:57:19.314 INFO [stderr] 
Dec 18 17:57:19.314 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:57:19.314 INFO [stderr]   --> src/can_reader.rs:29:21
Dec 18 17:57:19.314 INFO [stderr]    |
Dec 18 17:57:19.314 INFO [stderr] 29 |                     client.send(frame.clone());
Dec 18 17:57:19.314 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:57:19.315 INFO [stderr]    |
Dec 18 17:57:19.315 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 17:57:19.315 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:57:19.315 INFO [stderr] 
Dec 18 17:57:19.940 INFO [stderr] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 18 17:57:19.940 INFO [stderr]  --> src/bin/vcan_rand.rs:1:12
Dec 18 17:57:19.940 INFO [stderr]   |
Dec 18 17:57:19.940 INFO [stderr] 1 | #![feature(int_to_from_bytes)]
Dec 18 17:57:19.940 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 18 17:57:19.940 INFO [stderr]   |
Dec 18 17:57:19.940 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 17:57:19.940 INFO [stderr] 
Dec 18 17:57:20.032 INFO [stderr] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 18 17:57:20.032 INFO [stderr]  --> src/bin/vcan_rand.rs:1:12
Dec 18 17:57:20.032 INFO [stderr]   |
Dec 18 17:57:20.032 INFO [stderr] 1 | #![feature(int_to_from_bytes)]
Dec 18 17:57:20.032 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 18 17:57:20.032 INFO [stderr]   |
Dec 18 17:57:20.032 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 17:57:20.032 INFO [stderr] 
Dec 18 17:57:20.761 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
Dec 18 17:57:21.446 INFO running `"docker" "inspect" "4c155e02cff618f0530e6fe5e24e35b29c29ccf07ae4aad68a28182b632cdae5"`
Dec 18 17:57:21.834 INFO running `"docker" "rm" "-f" "4c155e02cff618f0530e6fe5e24e35b29c29ccf07ae4aad68a28182b632cdae5"`
Dec 18 17:57:22.176 INFO [stdout] 4c155e02cff618f0530e6fe5e24e35b29c29ccf07ae4aad68a28182b632cdae5