Dec 19 18:14:27.145 INFO checking dbasedow/cantact against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:14:27.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/dbasedow/cantact:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:14:27.646 INFO [stdout] 9b18787248620807d2bb2e8124606b19884d70bcf4fa31386e45e48a14e07c5f
Dec 19 18:14:27.648 INFO running `"docker" "start" "-a" "9b18787248620807d2bb2e8124606b19884d70bcf4fa31386e45e48a14e07c5f"`
Dec 19 18:14:29.595 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 19 18:14:29.882 INFO [stderr]     Checking serial-unix v0.4.0
Dec 19 18:14:30.187 INFO [stderr]     Checking serial v0.4.0
Dec 19 18:14:30.413 INFO [stderr]     Checking cantact v0.1.0 (/opt/crater/workdir)
Dec 19 18:14:30.615 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 19 18:14:30.615 INFO [stderr]  --> src/main.rs:7:5
Dec 19 18:14:30.615 INFO [stderr]   |
Dec 19 18:14:30.615 INFO [stderr] 7 | use std::io::BufReader;
Dec 19 18:14:30.615 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 18:14:30.615 INFO [stderr]   |
Dec 19 18:14:30.615 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:14:30.615 INFO [stderr] 
Dec 19 18:14:30.624 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 19 18:14:30.624 INFO [stderr]  --> src/main.rs:7:5
Dec 19 18:14:30.624 INFO [stderr]   |
Dec 19 18:14:30.624 INFO [stderr] 7 | use std::io::BufReader;
Dec 19 18:14:30.624 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 18:14:30.624 INFO [stderr]   |
Dec 19 18:14:30.624 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:14:30.624 INFO [stderr] 
Dec 19 18:14:30.687 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 18:14:30.687 INFO [stderr]  --> src/main.rs:6:5
Dec 19 18:14:30.687 INFO [stderr]   |
Dec 19 18:14:30.687 INFO [stderr] 6 | use std::io::prelude::*;
Dec 19 18:14:30.687 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 18:14:30.687 INFO [stderr] 
Dec 19 18:14:30.691 INFO [stderr] warning: unused variable: `frame`
Dec 19 18:14:30.691 INFO [stderr]   --> src/main.rs:47:21
Dec 19 18:14:30.691 INFO [stderr]    |
Dec 19 18:14:30.691 INFO [stderr] 47 |                 let frame = slcan::parse_serial_line(&frame_buf[0..i]);
Dec 19 18:14:30.691 INFO [stderr]    |                     ^^^^^ help: consider using `_frame` instead
Dec 19 18:14:30.691 INFO [stderr]    |
Dec 19 18:14:30.691 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:14:30.691 INFO [stderr] 
Dec 19 18:14:30.691 INFO [stderr] warning: unused variable: `source_address`
Dec 19 18:14:30.691 INFO [stderr]   --> src/protocols/transport/isotp.rs:43:9
Dec 19 18:14:30.691 INFO [stderr]    |
Dec 19 18:14:30.691 INFO [stderr] 43 |         source_address: u32,
Dec 19 18:14:30.691 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_source_address` instead
Dec 19 18:14:30.691 INFO [stderr] 
Dec 19 18:14:30.691 INFO [stderr] warning: unused variable: `target_address`
Dec 19 18:14:30.691 INFO [stderr]   --> src/protocols/transport/isotp.rs:44:9
Dec 19 18:14:30.691 INFO [stderr]    |
Dec 19 18:14:30.691 INFO [stderr] 44 |         target_address: u32,
Dec 19 18:14:30.691 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_target_address` instead
Dec 19 18:14:30.691 INFO [stderr] 
Dec 19 18:14:30.691 INFO [stderr] warning: unused variable: `data`
Dec 19 18:14:30.691 INFO [stderr]   --> src/protocols/transport/isotp.rs:45:9
Dec 19 18:14:30.691 INFO [stderr]    |
Dec 19 18:14:30.691 INFO [stderr] 45 |         data: &[u8],
Dec 19 18:14:30.691 INFO [stderr]    |         ^^^^ help: consider using `_data` instead
Dec 19 18:14:30.691 INFO [stderr] 
Dec 19 18:14:30.707 INFO [stderr] warning: struct is never constructed: `IsoTp`
Dec 19 18:14:30.707 INFO [stderr]   --> src/protocols/transport/isotp.rs:14:1
Dec 19 18:14:30.707 INFO [stderr]    |
Dec 19 18:14:30.707 INFO [stderr] 14 | struct IsoTp {}
Dec 19 18:14:30.707 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 18:14:30.707 INFO [stderr]    |
Dec 19 18:14:30.707 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:14:30.707 INFO [stderr] 
Dec 19 18:14:30.707 INFO [stderr] warning: enum is never used: `MessageType`
Dec 19 18:14:30.707 INFO [stderr]   --> src/protocols/transport/isotp.rs:16:1
Dec 19 18:14:30.707 INFO [stderr]    |
Dec 19 18:14:30.707 INFO [stderr] 16 | enum MessageType {
Dec 19 18:14:30.707 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 19 18:14:30.707 INFO [stderr] 
Dec 19 18:14:30.707 INFO [stderr] warning: enum is never used: `TargetAddressType`
Dec 19 18:14:30.707 INFO [stderr]   --> src/protocols/transport/isotp.rs:21:1
Dec 19 18:14:30.707 INFO [stderr]    |
Dec 19 18:14:30.707 INFO [stderr] 21 | enum TargetAddressType {
Dec 19 18:14:30.707 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:14:30.707 INFO [stderr] 
Dec 19 18:14:30.707 INFO [stderr] warning: enum is never used: `ResultType`
Dec 19 18:14:30.707 INFO [stderr]   --> src/protocols/transport/isotp.rs:26:1
Dec 19 18:14:30.707 INFO [stderr]    |
Dec 19 18:14:30.707 INFO [stderr] 26 | enum ResultType {
Dec 19 18:14:30.707 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 19 18:14:30.707 INFO [stderr] 
Dec 19 18:14:30.707 INFO [stderr] warning: struct is never constructed: `Message`
Dec 19 18:14:30.707 INFO [stderr]   --> src/protocols/transport/isotp.rs:39:1
Dec 19 18:14:30.707 INFO [stderr]    |
Dec 19 18:14:30.707 INFO [stderr] 39 | struct Message {}
Dec 19 18:14:30.707 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 18:14:30.707 INFO [stderr] 
Dec 19 18:14:30.708 INFO [stderr] warning: method is never used: `requestTransfer`
Dec 19 18:14:30.708 INFO [stderr]   --> src/protocols/transport/isotp.rs:42:5
Dec 19 18:14:30.708 INFO [stderr]    |
Dec 19 18:14:30.708 INFO [stderr] 42 | /     fn requestTransfer(
Dec 19 18:14:30.708 INFO [stderr] 43 | |         source_address: u32,
Dec 19 18:14:30.708 INFO [stderr] 44 | |         target_address: u32,
Dec 19 18:14:30.708 INFO [stderr] 45 | |         data: &[u8],
Dec 19 18:14:30.708 INFO [stderr] 46 | |     ) -> Result<(), ResultType> {
Dec 19 18:14:30.708 INFO [stderr] 47 | |         Ok(())
Dec 19 18:14:30.708 INFO [stderr] 48 | |     }
Dec 19 18:14:30.708 INFO [stderr]    | |_____^
Dec 19 18:14:30.708 INFO [stderr] 
Dec 19 18:14:30.708 INFO [stderr] warning: method `requestTransfer` should have a snake case name such as `request_transfer`
Dec 19 18:14:30.708 INFO [stderr]   --> src/protocols/transport/isotp.rs:42:5
Dec 19 18:14:30.708 INFO [stderr]    |
Dec 19 18:14:30.708 INFO [stderr] 42 | /     fn requestTransfer(
Dec 19 18:14:30.708 INFO [stderr] 43 | |         source_address: u32,
Dec 19 18:14:30.708 INFO [stderr] 44 | |         target_address: u32,
Dec 19 18:14:30.708 INFO [stderr] 45 | |         data: &[u8],
Dec 19 18:14:30.708 INFO [stderr] 46 | |     ) -> Result<(), ResultType> {
Dec 19 18:14:30.708 INFO [stderr] 47 | |         Ok(())
Dec 19 18:14:30.708 INFO [stderr] 48 | |     }
Dec 19 18:14:30.708 INFO [stderr]    | |_____^
Dec 19 18:14:30.708 INFO [stderr]    |
Dec 19 18:14:30.708 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 18:14:30.708 INFO [stderr] 
Dec 19 18:14:30.734 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 18:14:30.734 INFO [stderr]  --> src/main.rs:6:5
Dec 19 18:14:30.734 INFO [stderr]   |
Dec 19 18:14:30.734 INFO [stderr] 6 | use std::io::prelude::*;
Dec 19 18:14:30.734 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 18:14:30.734 INFO [stderr] 
Dec 19 18:14:30.734 INFO [stderr] warning: unused variable: `frame`
Dec 19 18:14:30.734 INFO [stderr]   --> src/main.rs:47:21
Dec 19 18:14:30.734 INFO [stderr]    |
Dec 19 18:14:30.734 INFO [stderr] 47 |                 let frame = slcan::parse_serial_line(&frame_buf[0..i]);
Dec 19 18:14:30.734 INFO [stderr]    |                     ^^^^^ help: consider using `_frame` instead
Dec 19 18:14:30.734 INFO [stderr]    |
Dec 19 18:14:30.734 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:14:30.734 INFO [stderr] 
Dec 19 18:14:30.734 INFO [stderr] warning: unused variable: `source_address`
Dec 19 18:14:30.734 INFO [stderr]   --> src/protocols/transport/isotp.rs:43:9
Dec 19 18:14:30.734 INFO [stderr]    |
Dec 19 18:14:30.734 INFO [stderr] 43 |         source_address: u32,
Dec 19 18:14:30.734 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_source_address` instead
Dec 19 18:14:30.734 INFO [stderr] 
Dec 19 18:14:30.734 INFO [stderr] warning: unused variable: `target_address`
Dec 19 18:14:30.734 INFO [stderr]   --> src/protocols/transport/isotp.rs:44:9
Dec 19 18:14:30.735 INFO [stderr]    |
Dec 19 18:14:30.735 INFO [stderr] 44 |         target_address: u32,
Dec 19 18:14:30.735 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_target_address` instead
Dec 19 18:14:30.735 INFO [stderr] 
Dec 19 18:14:30.735 INFO [stderr] warning: unused variable: `data`
Dec 19 18:14:30.735 INFO [stderr]   --> src/protocols/transport/isotp.rs:45:9
Dec 19 18:14:30.735 INFO [stderr]    |
Dec 19 18:14:30.735 INFO [stderr] 45 |         data: &[u8],
Dec 19 18:14:30.735 INFO [stderr]    |         ^^^^ help: consider using `_data` instead
Dec 19 18:14:30.735 INFO [stderr] 
Dec 19 18:14:30.757 INFO [stderr] warning: struct is never constructed: `IsoTp`
Dec 19 18:14:30.757 INFO [stderr]   --> src/protocols/transport/isotp.rs:14:1
Dec 19 18:14:30.757 INFO [stderr]    |
Dec 19 18:14:30.757 INFO [stderr] 14 | struct IsoTp {}
Dec 19 18:14:30.757 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 18:14:30.757 INFO [stderr]    |
Dec 19 18:14:30.757 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:14:30.757 INFO [stderr] 
Dec 19 18:14:30.757 INFO [stderr] warning: enum is never used: `MessageType`
Dec 19 18:14:30.757 INFO [stderr]   --> src/protocols/transport/isotp.rs:16:1
Dec 19 18:14:30.757 INFO [stderr]    |
Dec 19 18:14:30.758 INFO [stderr] 16 | enum MessageType {
Dec 19 18:14:30.758 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 19 18:14:30.758 INFO [stderr] 
Dec 19 18:14:30.758 INFO [stderr] warning: enum is never used: `TargetAddressType`
Dec 19 18:14:30.758 INFO [stderr]   --> src/protocols/transport/isotp.rs:21:1
Dec 19 18:14:30.758 INFO [stderr]    |
Dec 19 18:14:30.758 INFO [stderr] 21 | enum TargetAddressType {
Dec 19 18:14:30.758 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:14:30.758 INFO [stderr] 
Dec 19 18:14:30.759 INFO [stderr] warning: enum is never used: `ResultType`
Dec 19 18:14:30.760 INFO [stderr]   --> src/protocols/transport/isotp.rs:26:1
Dec 19 18:14:30.760 INFO [stderr]    |
Dec 19 18:14:30.760 INFO [stderr] 26 | enum ResultType {
Dec 19 18:14:30.760 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 19 18:14:30.760 INFO [stderr] 
Dec 19 18:14:30.760 INFO [stderr] warning: struct is never constructed: `Message`
Dec 19 18:14:30.760 INFO [stderr]   --> src/protocols/transport/isotp.rs:39:1
Dec 19 18:14:30.760 INFO [stderr]    |
Dec 19 18:14:30.760 INFO [stderr] 39 | struct Message {}
Dec 19 18:14:30.760 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 18:14:30.760 INFO [stderr] 
Dec 19 18:14:30.760 INFO [stderr] warning: method is never used: `requestTransfer`
Dec 19 18:14:30.760 INFO [stderr]   --> src/protocols/transport/isotp.rs:42:5
Dec 19 18:14:30.760 INFO [stderr]    |
Dec 19 18:14:30.760 INFO [stderr] 42 | /     fn requestTransfer(
Dec 19 18:14:30.760 INFO [stderr] 43 | |         source_address: u32,
Dec 19 18:14:30.760 INFO [stderr] 44 | |         target_address: u32,
Dec 19 18:14:30.760 INFO [stderr] 45 | |         data: &[u8],
Dec 19 18:14:30.760 INFO [stderr] 46 | |     ) -> Result<(), ResultType> {
Dec 19 18:14:30.760 INFO [stderr] 47 | |         Ok(())
Dec 19 18:14:30.760 INFO [stderr] 48 | |     }
Dec 19 18:14:30.760 INFO [stderr]    | |_____^
Dec 19 18:14:30.760 INFO [stderr] 
Dec 19 18:14:30.760 INFO [stderr] warning: method `requestTransfer` should have a snake case name such as `request_transfer`
Dec 19 18:14:30.760 INFO [stderr]   --> src/protocols/transport/isotp.rs:42:5
Dec 19 18:14:30.760 INFO [stderr]    |
Dec 19 18:14:30.760 INFO [stderr] 42 | /     fn requestTransfer(
Dec 19 18:14:30.760 INFO [stderr] 43 | |         source_address: u32,
Dec 19 18:14:30.760 INFO [stderr] 44 | |         target_address: u32,
Dec 19 18:14:30.760 INFO [stderr] 45 | |         data: &[u8],
Dec 19 18:14:30.760 INFO [stderr] 46 | |     ) -> Result<(), ResultType> {
Dec 19 18:14:30.760 INFO [stderr] 47 | |         Ok(())
Dec 19 18:14:30.760 INFO [stderr] 48 | |     }
Dec 19 18:14:30.760 INFO [stderr]    | |_____^
Dec 19 18:14:30.760 INFO [stderr]    |
Dec 19 18:14:30.760 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 18:14:30.760 INFO [stderr] 
Dec 19 18:14:30.774 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 19 18:14:31.092 INFO running `"docker" "inspect" "9b18787248620807d2bb2e8124606b19884d70bcf4fa31386e45e48a14e07c5f"`
Dec 19 18:14:31.314 INFO running `"docker" "rm" "-f" "9b18787248620807d2bb2e8124606b19884d70bcf4fa31386e45e48a14e07c5f"`
Dec 19 18:14:31.616 INFO [stdout] 9b18787248620807d2bb2e8124606b19884d70bcf4fa31386e45e48a14e07c5f