[INFO] fetching crate mfrc522 0.3.0...
[INFO] testing mfrc522-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mfrc522 0.3.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate mfrc522 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mfrc522 0.3.0
[INFO] finished tweaking crates.io crate mfrc522 0.3.0
[INFO] tweaked toml for crates.io crate mfrc522 0.3.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate mfrc522 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99fdb9133ba9e9b7210d225fb6db2bbe19df41834eb42a1b703c5b6b02eafe79
[INFO] running `Command { std: "docker" "start" "-a" "99fdb9133ba9e9b7210d225fb6db2bbe19df41834eb42a1b703c5b6b02eafe79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99fdb9133ba9e9b7210d225fb6db2bbe19df41834eb42a1b703c5b6b02eafe79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fdb9133ba9e9b7210d225fb6db2bbe19df41834eb42a1b703c5b6b02eafe79", kill_on_drop: false }`
[INFO] [stdout] 99fdb9133ba9e9b7210d225fb6db2bbe19df41834eb42a1b703c5b6b02eafe79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a038c17c64f942639f5324443863e45157d82bcfb740b6033f6deeac370781f3
[INFO] running `Command { std: "docker" "start" "-a" "a038c17c64f942639f5324443863e45157d82bcfb740b6033f6deeac370781f3", kill_on_drop: false }`
[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 v0.2.7
[INFO] [stderr]    Compiling mfrc522 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MIFARE_ACK`
[INFO] [stdout]    --> src/lib.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | const MIFARE_ACK: u8 = 0xA;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/picc.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn get_type(&self) -> Type {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:716:9
[INFO] [stdout]     |
[INFO] [stdout] 716 |         self.nss.set_low();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:718:9
[INFO] [stdout]     |
[INFO] [stdout] 718 |         self.nss.set_high();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "a038c17c64f942639f5324443863e45157d82bcfb740b6033f6deeac370781f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a038c17c64f942639f5324443863e45157d82bcfb740b6033f6deeac370781f3", kill_on_drop: false }`
[INFO] [stdout] a038c17c64f942639f5324443863e45157d82bcfb740b6033f6deeac370781f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d1e267c04d2eceffce00fb82f8d61bd124ba2e7ff7723929edfd589b0564e28
[INFO] running `Command { std: "docker" "start" "-a" "2d1e267c04d2eceffce00fb82f8d61bd124ba2e7ff7723929edfd589b0564e28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling mfrc522 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MIFARE_ACK`
[INFO] [stdout]    --> src/lib.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | const MIFARE_ACK: u8 = 0xA;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/picc.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn get_type(&self) -> Type {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:716:9
[INFO] [stdout]     |
[INFO] [stdout] 716 |         self.nss.set_low();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:718:9
[INFO] [stdout]     |
[INFO] [stdout] 718 |         self.nss.set_high();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling gpio-cdev v0.5.1
[INFO] [stderr]    Compiling spidev v0.5.1
[INFO] [stderr]    Compiling sysfs_gpio v0.6.1
[INFO] [stderr]    Compiling i2cdev v0.5.1
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.2
[INFO] [stdout] error[E0463]: can't find crate for `rfid_rs`
[INFO] [stdout]   --> examples/rpi.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rfid_rs as mfrc522;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `SPI_MODE_0` in crate `hal::spidev`
[INFO] [stdout]   --> examples/rpi.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .mode(hal::spidev::SPI_MODE_0)
[INFO] [stdout]    |                            ^^^^^^^^^^ not found in `hal::spidev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mfrc522`
[INFO] [stdout]   --> examples/rpi.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut mfrc522 = Mfrc522::new(spi, pin).unwrap();
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 17 | use mfrc522::Mfrc522;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rfid_rs`
[INFO] [stdout]   --> examples/beagle.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate rfid_rs as mfrc522;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mfrc522` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mfrc522`
[INFO] [stdout]   --> examples/beagle.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut mfrc522 = Mfrc522::new(spi, pin).unwrap();
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 15 | use mfrc522::Mfrc522;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mfrc522` in this scope
[INFO] [stdout]    --> examples/beagle.rs:137:20
[INFO] [stdout]     |
[INFO] [stdout] 137 |     F: FnOnce(&mut Mfrc522<SPI, NSS>) -> (),
[INFO] [stdout]     |                    ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 15  | use mfrc522::Mfrc522;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mfrc522` in this scope
[INFO] [stdout]    --> examples/beagle.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |     mfrc522: &mut Mfrc522<SPI, NSS>,
[INFO] [stdout]     |                   ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 15  | use mfrc522::Mfrc522;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mfrc522` due to 5 previous errors
[INFO] [stdout] warning: constant is never used: `MIFARE_ACK`
[INFO] [stdout]    --> src/lib.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | const MIFARE_ACK: u8 = 0xA;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/picc.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn get_type(&self) -> Type {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:716:9
[INFO] [stdout]     |
[INFO] [stdout] 716 |         self.nss.set_low();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:718:9
[INFO] [stdout]     |
[INFO] [stdout] 718 |         self.nss.set_high();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d1e267c04d2eceffce00fb82f8d61bd124ba2e7ff7723929edfd589b0564e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1e267c04d2eceffce00fb82f8d61bd124ba2e7ff7723929edfd589b0564e28", kill_on_drop: false }`
[INFO] [stdout] 2d1e267c04d2eceffce00fb82f8d61bd124ba2e7ff7723929edfd589b0564e28