[INFO] fetching crate pn532 0.2.1...
[INFO] testing pn532-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pn532 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pn532 0.2.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pn532 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pn532 0.2.1
[INFO] tweaked toml for crates.io crate pn532 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate pn532 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 703b1fa606877f2c1886b91eeb112b9eabddabf664549e2c5d3c5cf279695883
[INFO] running `Command { std: "docker" "start" "-a" "703b1fa606877f2c1886b91eeb112b9eabddabf664549e2c5d3c5cf279695883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "703b1fa606877f2c1886b91eeb112b9eabddabf664549e2c5d3c5cf279695883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703b1fa606877f2c1886b91eeb112b9eabddabf664549e2c5d3c5cf279695883", kill_on_drop: false }`
[INFO] [stdout] 703b1fa606877f2c1886b91eeb112b9eabddabf664549e2c5d3c5cf279695883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ed2320815fbb961e237b584efd247d7c78ae77cc8b8c8cc70d87b1f4cbc9582
[INFO] running `Command { std: "docker" "start" "-a" "2ed2320815fbb961e237b584efd247d7c78ae77cc8b8c8cc70d87b1f4cbc9582", 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] [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]    Compiling pn532 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(future_poll_fn)] // https://github.com/rust-lang/rust/issues/72302
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | #![feature(const_generics_defaults)] // https://github.com/rust-lang/rust/pull/90207
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_generics_defaults` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pn532` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2ed2320815fbb961e237b584efd247d7c78ae77cc8b8c8cc70d87b1f4cbc9582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed2320815fbb961e237b584efd247d7c78ae77cc8b8c8cc70d87b1f4cbc9582", kill_on_drop: false }`
[INFO] [stdout] 2ed2320815fbb961e237b584efd247d7c78ae77cc8b8c8cc70d87b1f4cbc9582