[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#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicmew%2FPN532" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/italicmew/PN532 on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 635220dc68563e64160498e033b505687c140eb3352e065cc0a7d1ee06248205
[INFO] running `Command { std: "docker" "start" "-a" "635220dc68563e64160498e033b505687c140eb3352e065cc0a7d1ee06248205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "635220dc68563e64160498e033b505687c140eb3352e065cc0a7d1ee06248205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635220dc68563e64160498e033b505687c140eb3352e065cc0a7d1ee06248205", kill_on_drop: false }`
[INFO] [stdout] 635220dc68563e64160498e033b505687c140eb3352e065cc0a7d1ee06248205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912c5ad586f978a800c3a25e607e0d21aa7eb5606fbc1778086f92c5a45c0c56
[INFO] running `Command { std: "docker" "start" "-a" "912c5ad586f978a800c3a25e607e0d21aa7eb5606fbc1778086f92c5a45c0c56", 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "912c5ad586f978a800c3a25e607e0d21aa7eb5606fbc1778086f92c5a45c0c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912c5ad586f978a800c3a25e607e0d21aa7eb5606fbc1778086f92c5a45c0c56", kill_on_drop: false }`
[INFO] [stdout] 912c5ad586f978a800c3a25e607e0d21aa7eb5606fbc1778086f92c5a45c0c56