[INFO] cloning repository https://github.com/Firehed/arcadecontrols
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Firehed/arcadecontrols" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirehed%2Farcadecontrols"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirehed%2Farcadecontrols'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a14f951e4dcd5d0a8f29abdc4390fd219b6612e
[INFO] checking Firehed/arcadecontrols against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirehed%2Farcadecontrols" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Firehed/arcadecontrols on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Firehed/arcadecontrols
[INFO] finished tweaking git repo https://github.com/Firehed/arcadecontrols
[INFO] tweaked toml for git repo https://github.com/Firehed/arcadecontrols written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Firehed/arcadecontrols already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fe54fd3b4aa93e53cffa605a7852138e37465fedf7201813ad50770deb0d902
[INFO] running `"docker" "start" "-a" "5fe54fd3b4aa93e53cffa605a7852138e37465fedf7201813ad50770deb0d902"`
[INFO] [stderr]     Checking arcade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config/mod.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let conf = try!(
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config/mod.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let bus = try!(
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/i2c/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     try!(unsafe {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config/mod.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let conf = try!(
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config/mod.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let bus = try!(
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/i2c/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     try!(unsafe {
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/i2c/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     return Ok(());
[INFO] [stderr]    |     ------------- any code following this expression is unreachable
[INFO] [stderr] 76 |     let fd = file.as_raw_fd();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]   --> src/config/mod.rs:56:19
[INFO] [stderr]    |
[INFO] [stderr] 56 |         .map(|(i, parsed)| {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `bank` is never read
[INFO] [stderr]   --> src/mcp23017/mod.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let mut bank = set_chip_to_bank1(&mut i2c);
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/i2c/mod.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn set_slave_address(file: &File, slave_address: Address) -> Result<(), nix::Error> {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slave_address`
[INFO] [stderr]   --> src/i2c/mod.rs:73:35
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn set_slave_address(file: &File, slave_address: Address) -> Result<(), nix::Error> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_slave_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/i2c/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     return Ok(());
[INFO] [stderr]    |     ------------- any code following this expression is unreachable
[INFO] [stderr] 76 |     let fd = file.as_raw_fd();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]   --> src/config/mod.rs:56:19
[INFO] [stderr]    |
[INFO] [stderr] 56 |         .map(|(i, parsed)| {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_parsed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `bank` is never read
[INFO] [stderr]   --> src/mcp23017/mod.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let mut bank = set_chip_to_bank1(&mut i2c);
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/i2c/mod.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn set_slave_address(file: &File, slave_address: Address) -> Result<(), nix::Error> {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slave_address`
[INFO] [stderr]   --> src/i2c/mod.rs:73:35
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn set_slave_address(file: &File, slave_address: Address) -> Result<(), nix::Error> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_slave_address`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "5fe54fd3b4aa93e53cffa605a7852138e37465fedf7201813ad50770deb0d902"`
[INFO] running `"docker" "rm" "-f" "5fe54fd3b4aa93e53cffa605a7852138e37465fedf7201813ad50770deb0d902"`
[INFO] [stdout] 5fe54fd3b4aa93e53cffa605a7852138e37465fedf7201813ad50770deb0d902