[INFO] fetching crate mfrc522 0.2.0...
[INFO] building mfrc522-0.2.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate mfrc522 0.2.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate mfrc522 0.2.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mfrc522 0.2.0
[INFO] finished tweaking crates.io crate mfrc522 0.2.0
[INFO] tweaked toml for crates.io crate mfrc522 0.2.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4d50218617284edf203b65339ff8b26892f2d43a7db6e81388be49cf53dc3cf
[INFO] running `Command { std: "docker" "start" "-a" "d4d50218617284edf203b65339ff8b26892f2d43a7db6e81388be49cf53dc3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4d50218617284edf203b65339ff8b26892f2d43a7db6e81388be49cf53dc3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d50218617284edf203b65339ff8b26892f2d43a7db6e81388be49cf53dc3cf", kill_on_drop: false }`
[INFO] [stdout] d4d50218617284edf203b65339ff8b26892f2d43a7db6e81388be49cf53dc3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef18507c8859214094e648c01f3730305433e2c9a1334fec8a74273657c5d913
[INFO] running `Command { std: "docker" "start" "-a" "ef18507c8859214094e648c01f3730305433e2c9a1334fec8a74273657c5d913", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (886a6af2148e34cc, 81265ade33c66f8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (b14901511754ed9, 64afdcb932ad6073), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (5f54733881d25ff8, e7daf3304f3641ec), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (4b27897845a04e67, 64a2d4085bcaaf5a), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (53851559eaf8408f, a618b37c90504cae), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (b495e4e00b809438, 799df049dce51805), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (ba86069389273176, 2d40a9b11953d5ec), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (85a6bfb80314a838, 2abeec8f2bbba920), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (2f798b56d81a42, 27f7d11758ad8731), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (4bd5aa4d75cc08f2, 7d12253d180d0960), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (9dab4610082b73b4, 32812d8a44b248b0), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: build_script_main, (21f53aff4b677623, 5c6a429219cc3ad), 0, 0
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling mfrc522 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated trait `hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | use hal::digital::OutputPin;
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated trait `hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:95:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |     NSS: OutputPin,
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:158:45
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut tx: [u8; 9] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:316:65
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let mut rx_buffer: GenericArray<u8, RX> = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:388:18
[INFO] [stdout]     |
[INFO] [stdout] 388 |         self.nss.set_low();
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:390:18
[INFO] [stdout]     |
[INFO] [stdout] 390 |         self.nss.set_high();
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mfrc522` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "ef18507c8859214094e648c01f3730305433e2c9a1334fec8a74273657c5d913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef18507c8859214094e648c01f3730305433e2c9a1334fec8a74273657c5d913", kill_on_drop: false }`
[INFO] [stdout] ef18507c8859214094e648c01f3730305433e2c9a1334fec8a74273657c5d913