[INFO] cloning repository https://github.com/italicmew/PN532
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/italicmew/PN532" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicmew%2FPN532", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicmew%2FPN532'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bcf3cbd3165da604d4acb303c012604aa06d4c5
[INFO] checking italicmew/PN532 against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicmew%2FPN532" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/italicmew/PN532
[INFO] finished tweaking git repo https://github.com/italicmew/PN532
[INFO] tweaked toml for git repo https://github.com/italicmew/PN532 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/italicmew/PN532 on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/italicmew/PN532 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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7aab90f22d859a5b47da092a566d81c2925f933fc0247aaacaaf2e55189e54
[INFO] running `Command { std: "docker" "start" "-a" "ad7aab90f22d859a5b47da092a566d81c2925f933fc0247aaacaaf2e55189e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7aab90f22d859a5b47da092a566d81c2925f933fc0247aaacaaf2e55189e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7aab90f22d859a5b47da092a566d81c2925f933fc0247aaacaaf2e55189e54", kill_on_drop: false }`
[INFO] [stdout] ad7aab90f22d859a5b47da092a566d81c2925f933fc0247aaacaaf2e55189e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 404a143d5926acded2025600dd5e9ecaa6aef78387b1619e5fee0fe3420b94e0
[INFO] running `Command { std: "docker" "start" "-a" "404a143d5926acded2025600dd5e9ecaa6aef78387b1619e5fee0fe3420b94e0", kill_on_drop: false }`
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking pn532 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PN532_I2C_ADDRESS` is never used
[INFO] [stdout]  --> src/i2c.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const PN532_I2C_ADDRESS: u8 = 0x48;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `I2cInterface` is never constructed
[INFO] [stdout]  --> src/i2c.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct I2cInterface<I2C> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:71:35
[INFO] [stdout]    |
[INFO] [stdout] 71 |         fn write_frame(&mut self, data: &[u8]) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PN532_I2C_ADDRESS` is never used
[INFO] [stdout]  --> src/i2c.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const PN532_I2C_ADDRESS: u8 = 0x48;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `I2cInterface` is never constructed
[INFO] [stdout]  --> src/i2c.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct I2cInterface<I2C> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoOpInterface` is never constructed
[INFO] [stdout]   --> src/lib.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub struct NoOpInterface;
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoOpError` is never constructed
[INFO] [stdout]   --> src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub struct NoOpError;
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_device` is never used
[INFO] [stdout]   --> src/lib.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn get_device() -> PN532<NoOpInterface> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "404a143d5926acded2025600dd5e9ecaa6aef78387b1619e5fee0fe3420b94e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404a143d5926acded2025600dd5e9ecaa6aef78387b1619e5fee0fe3420b94e0", kill_on_drop: false }`
[INFO] [stdout] 404a143d5926acded2025600dd5e9ecaa6aef78387b1619e5fee0fe3420b94e0