[INFO] fetching crate relic-exec 0.2.0...
[INFO] checking relic-exec-0.2.0 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate relic-exec 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate relic-exec 0.2.0
[INFO] finished tweaking crates.io crate relic-exec 0.2.0
[INFO] tweaked toml for crates.io crate relic-exec 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate relic-exec 0.2.0 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate relic-exec 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relic-parse v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443
[INFO] running `Command { std: "docker" "start" "0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]     Checking relic-parse v0.2.0
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking relic-exec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] 305 |         SIGFPE => "sys: fp: trap",
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] 305 |         SIGFPE => "sys: fp: trap",
[INFO] [stdout] 306 |         SIGKILL => "sys: kill",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 307 |         SIGBUS => "sys: bus error",
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 308 |         SIGSEGV => "sys: segmentation violation",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 309 |         SIGALRM => "alarm",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 310 |         SIGTERM => "kill",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 311 |         SIGURG => "sys: urgent condition on socket",
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 312 |         SIGSTOP => "sys: stop",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 313 |         SIGTSTP => "sys: tstp",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 314 |         SIGCONT => "sys: cont",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 315 |         SIGCHLD => "sys: child",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 316 |         SIGTTIN => "sys: ttin",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 317 |         SIGTTOU => "sys: ttou",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 319 |         SIGIO => "sys: i/o possible on fd",
[INFO] [stdout]     |         ^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 320 |         SIGXCPU => "sys: cpu time limit exceeded",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 321 |         SIGXFSZ => "sys: file size limit exceeded",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 322 |         SIGVTALRM => "sys: virtual time alarm",
[INFO] [stdout]     |         ^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 323 |         SIGPROF => "sys: profiling timer alarm",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 324 |         SIGWINCH => "sys: window size change",
[INFO] [stdout]     |         ^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 327 |         SIGUSR1 => "sys: usr1",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 328 |         SIGUSR2 => "sys: usr2",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 329 |         SIGPIPE => "sys: write on closed pipe",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         _ => "sys: signal",
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/sys.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         SIGHUP => "hangup",
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] 298 |         SIGINT => "interrupt",
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] 299 |         SIGQUIT => "quit",
[INFO] [stdout]     |         ------- matches some of the same values
[INFO] [stdout] 300 |         SIGILL => "sys: illegal instruction",
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 330 |         _ => "sys: signal",
[INFO] [stdout]     |         ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIGEMT`
[INFO] [stdout]    --> src/sys.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIGEMT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIGEMT` should have a snake case name
[INFO] [stdout]    --> src/sys.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case: `sigemt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] 305 |         SIGFPE => "sys: fp: trap",
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] 305 |         SIGFPE => "sys: fp: trap",
[INFO] [stdout] 306 |         SIGKILL => "sys: kill",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 307 |         SIGBUS => "sys: bus error",
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 308 |         SIGSEGV => "sys: segmentation violation",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 309 |         SIGALRM => "alarm",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 310 |         SIGTERM => "kill",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 311 |         SIGURG => "sys: urgent condition on socket",
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 312 |         SIGSTOP => "sys: stop",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 313 |         SIGTSTP => "sys: tstp",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 314 |         SIGCONT => "sys: cont",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 315 |         SIGCHLD => "sys: child",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 316 |         SIGTTIN => "sys: ttin",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 317 |         SIGTTOU => "sys: ttou",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 319 |         SIGIO => "sys: i/o possible on fd",
[INFO] [stdout]     |         ^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 320 |         SIGXCPU => "sys: cpu time limit exceeded",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 321 |         SIGXFSZ => "sys: file size limit exceeded",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 322 |         SIGVTALRM => "sys: virtual time alarm",
[INFO] [stdout]     |         ^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 323 |         SIGPROF => "sys: profiling timer alarm",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 324 |         SIGWINCH => "sys: window size change",
[INFO] [stdout]     |         ^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 327 |         SIGUSR1 => "sys: usr1",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 328 |         SIGUSR2 => "sys: usr2",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 329 |         SIGPIPE => "sys: write on closed pipe",
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/sys.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         _ => "sys: signal",
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/sys.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         SIGHUP => "hangup",
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] 298 |         SIGINT => "interrupt",
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] 299 |         SIGQUIT => "quit",
[INFO] [stdout]     |         ------- matches some of the same values
[INFO] [stdout] 300 |         SIGILL => "sys: illegal instruction",
[INFO] [stdout]     |         ------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 330 |         _ => "sys: signal",
[INFO] [stdout]     |         ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIGEMT`
[INFO] [stdout]    --> src/sys.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIGEMT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIGEMT` should have a snake case name
[INFO] [stdout]    --> src/sys.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         SIGEMT => "sys: emulate instruction executed",
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case: `sigemt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443", kill_on_drop: false }`
[INFO] [stdout] 0a23d2105000573af3b58f945c017b53dfd690c0db3bd09200d303536d4a8443
