[INFO] updating cached repository dbasedow/cantact
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dbasedow/cantact
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dbasedow/cantact" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dbasedow/cantact"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dbasedow/cantact'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dbasedow/cantact" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dbasedow/cantact"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dbasedow/cantact'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f5f1564a25e04535c750976cf618eeb58159db9
[INFO] sha for GitHub repo dbasedow/cantact: 9f5f1564a25e04535c750976cf618eeb58159db9
[INFO] validating manifest of dbasedow/cantact on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dbasedow/cantact on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dbasedow/cantact
[INFO] finished frobbing dbasedow/cantact
[INFO] frobbed toml for dbasedow/cantact written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dbasedow/cantact/Cargo.toml
[INFO] started frobbing dbasedow/cantact
[INFO] finished frobbing dbasedow/cantact
[INFO] frobbed toml for dbasedow/cantact written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dbasedow/cantact/Cargo.toml
[INFO] crate dbasedow/cantact already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dbasedow/cantact against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7f5f472a76164d32927e69ed45a5ccb95e1e7ed800e31926003b47713fadec70
[INFO] running `"docker" "start" "-a" "7f5f472a76164d32927e69ed45a5ccb95e1e7ed800e31926003b47713fadec70"`
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking cantact v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/slcan.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         b'0'...b'9' => hex & 0x0f,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/slcan.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         b'a'...b'f' | b'A'...b'F' => (hex & 0x0f) + 9,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/slcan.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |         b'a'...b'f' | b'A'...b'F' => (hex & 0x0f) + 9,
[INFO] [stderr]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/slcan.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         b'0'...b'9' => hex & 0x0f,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/slcan.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         b'a'...b'f' | b'A'...b'F' => (hex & 0x0f) + 9,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/slcan.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |         b'a'...b'f' | b'A'...b'F' => (hex & 0x0f) + 9,
[INFO] [stderr]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]   --> src/main.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 let frame = slcan::parse_serial_line(&frame_buf[0..i]);
[INFO] [stderr]    |                     ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source_address`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         source_address: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_source_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_address`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         target_address: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_target_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         data: &[u8],
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IsoTp`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct IsoTp {}
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MessageType`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum MessageType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TargetAddressType`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum TargetAddressType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ResultType`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | enum ResultType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Message`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | struct Message {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `requestTransfer`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     fn requestTransfer(
[INFO] [stderr] 43 | |         source_address: u32,
[INFO] [stderr] 44 | |         target_address: u32,
[INFO] [stderr] 45 | |         data: &[u8],
[INFO] [stderr] 46 | |     ) -> Result<(), ResultType> {
[INFO] [stderr] 47 | |         Ok(())
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `requestTransfer` should have a snake case name
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn requestTransfer(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `request_transfer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]   --> src/main.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 let frame = slcan::parse_serial_line(&frame_buf[0..i]);
[INFO] [stderr]    |                     ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source_address`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         source_address: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_source_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_address`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         target_address: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_target_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         data: &[u8],
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IsoTp`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct IsoTp {}
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MessageType`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum MessageType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TargetAddressType`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum TargetAddressType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ResultType`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | enum ResultType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Message`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | struct Message {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `requestTransfer`
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     fn requestTransfer(
[INFO] [stderr] 43 | |         source_address: u32,
[INFO] [stderr] 44 | |         target_address: u32,
[INFO] [stderr] 45 | |         data: &[u8],
[INFO] [stderr] 46 | |     ) -> Result<(), ResultType> {
[INFO] [stderr] 47 | |         Ok(())
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method `requestTransfer` should have a snake case name
[INFO] [stderr]   --> src/protocols/transport/isotp.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn requestTransfer(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `request_transfer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "7f5f472a76164d32927e69ed45a5ccb95e1e7ed800e31926003b47713fadec70"`
[INFO] running `"docker" "rm" "-f" "7f5f472a76164d32927e69ed45a5ccb95e1e7ed800e31926003b47713fadec70"`
[INFO] [stdout] 7f5f472a76164d32927e69ed45a5ccb95e1e7ed800e31926003b47713fadec70