[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 try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicmew%2FPN532" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/italicmew/PN532 on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a3018cd69a935ae0e0e434e6e010d144681371bdd02caa4a0750b980f12c3c1
[INFO] running `Command { std: "docker" "start" "-a" "2a3018cd69a935ae0e0e434e6e010d144681371bdd02caa4a0750b980f12c3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a3018cd69a935ae0e0e434e6e010d144681371bdd02caa4a0750b980f12c3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3018cd69a935ae0e0e434e6e010d144681371bdd02caa4a0750b980f12c3c1", kill_on_drop: false }`
[INFO] [stdout] 2a3018cd69a935ae0e0e434e6e010d144681371bdd02caa4a0750b980f12c3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96928803bee223450a56f64fd328505a35ef2acf25e7a2e98872ca6e83f36367
[INFO] running `Command { std: "docker" "start" "-a" "96928803bee223450a56f64fd328505a35ef2acf25e7a2e98872ca6e83f36367", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "96928803bee223450a56f64fd328505a35ef2acf25e7a2e98872ca6e83f36367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96928803bee223450a56f64fd328505a35ef2acf25e7a2e98872ca6e83f36367", kill_on_drop: false }`
[INFO] [stdout] 96928803bee223450a56f64fd328505a35ef2acf25e7a2e98872ca6e83f36367