[INFO] cloning repository https://github.com/awendland/rpi-ds18b20-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awendland/rpi-ds18b20-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawendland%2Frpi-ds18b20-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawendland%2Frpi-ds18b20-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 200c98e028299d6fc6ec41b8a80145697d3b342b
[INFO] checking awendland/rpi-ds18b20-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawendland%2Frpi-ds18b20-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/awendland/rpi-ds18b20-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/awendland/rpi-ds18b20-rust
[INFO] finished tweaking git repo https://github.com/awendland/rpi-ds18b20-rust
[INFO] tweaked toml for git repo https://github.com/awendland/rpi-ds18b20-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/awendland/rpi-ds18b20-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98847c2ef4cc966fb07f4ed5c4ffee8af4a98df1d08210fd79a19c59d9b3266
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e98847c2ef4cc966fb07f4ed5c4ffee8af4a98df1d08210fd79a19c59d9b3266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98847c2ef4cc966fb07f4ed5c4ffee8af4a98df1d08210fd79a19c59d9b3266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98847c2ef4cc966fb07f4ed5c4ffee8af4a98df1d08210fd79a19c59d9b3266", kill_on_drop: false }`
[INFO] [stdout] e98847c2ef4cc966fb07f4ed5c4ffee8af4a98df1d08210fd79a19c59d9b3266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72122b3e3e9ba2367f0e8c4e909208af6cd9a680e0ae5a8bea339324e7432c74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "72122b3e3e9ba2367f0e8c4e909208af6cd9a680e0ae5a8bea339324e7432c74", kill_on_drop: false }`
[INFO] [stderr]     Checking rpi-ds18b20-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_for_id`
[INFO] [stdout]   --> src/ds18b20.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new_for_id(id: String) -> DS18B20 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_for_id`
[INFO] [stdout]   --> src/ds18b20.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new_for_id(id: String) -> DS18B20 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72122b3e3e9ba2367f0e8c4e909208af6cd9a680e0ae5a8bea339324e7432c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72122b3e3e9ba2367f0e8c4e909208af6cd9a680e0ae5a8bea339324e7432c74", kill_on_drop: false }`
[INFO] [stdout] 72122b3e3e9ba2367f0e8c4e909208af6cd9a680e0ae5a8bea339324e7432c74