[INFO] fetching crate hcsr04-gpio-cdev 0.1.2...
[INFO] testing hcsr04-gpio-cdev-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate hcsr04-gpio-cdev 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hcsr04-gpio-cdev 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hcsr04-gpio-cdev 0.1.2
[INFO] tweaked toml for crates.io crate hcsr04-gpio-cdev 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hcsr04-gpio-cdev 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hcsr04-gpio-cdev 0.1.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b6186b4f13b8d4cc973718b9ca337fb423c24bac54242f7714b2d1e90a51878
[INFO] running `Command { std: "docker" "start" "-a" "9b6186b4f13b8d4cc973718b9ca337fb423c24bac54242f7714b2d1e90a51878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b6186b4f13b8d4cc973718b9ca337fb423c24bac54242f7714b2d1e90a51878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6186b4f13b8d4cc973718b9ca337fb423c24bac54242f7714b2d1e90a51878", kill_on_drop: false }`
[INFO] [stdout] 9b6186b4f13b8d4cc973718b9ca337fb423c24bac54242f7714b2d1e90a51878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79e62e1f35da60f381722003128ae2bacd9319d4ba32872d3610576237e8cb29
[INFO] running `Command { std: "docker" "start" "-a" "79e62e1f35da60f381722003128ae2bacd9319d4ba32872d3610576237e8cb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling gpio-cdev v0.6.0
[INFO] [stderr]    Compiling hcsr04-gpio-cdev v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "79e62e1f35da60f381722003128ae2bacd9319d4ba32872d3610576237e8cb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e62e1f35da60f381722003128ae2bacd9319d4ba32872d3610576237e8cb29", kill_on_drop: false }`
[INFO] [stdout] 79e62e1f35da60f381722003128ae2bacd9319d4ba32872d3610576237e8cb29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ab1c4b468dad28bbed445ab83d1083e103d69753760b6389c0733bd3386028
[INFO] running `Command { std: "docker" "start" "-a" "20ab1c4b468dad28bbed445ab83d1083e103d69753760b6389c0733bd3386028", kill_on_drop: false }`
[INFO] [stderr]    Compiling hcsr04-gpio-cdev v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hcsr04`
[INFO] [stdout]  --> usage_example/example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hcsr04::*;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `hcsr04`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `hcsr04`, use `cargo add hcsr04` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> usage_example/example.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     loop {
[INFO] [stdout] 11 | |         let distance = hcsr04.dist_cm(None)?;
[INFO] [stdout] 12 | |         println!("Distance: {:05.2}cm", distance.to_val());
[INFO] [stdout] 13 | |         sleep(Duration::from_secs_f32(0.2));
[INFO] [stdout] 14 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 15 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hcsr04-gpio-cdev` (example "hcsr04_xmpl") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "20ab1c4b468dad28bbed445ab83d1083e103d69753760b6389c0733bd3386028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ab1c4b468dad28bbed445ab83d1083e103d69753760b6389c0733bd3386028", kill_on_drop: false }`
[INFO] [stdout] 20ab1c4b468dad28bbed445ab83d1083e103d69753760b6389c0733bd3386028