[INFO] fetching crate rfid-rs 0.2.1...
[INFO] testing rfid-rs-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rfid-rs 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rfid-rs 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 rfid-rs 0.2.1
[INFO] finished tweaking crates.io crate rfid-rs 0.2.1
[INFO] tweaked toml for crates.io crate rfid-rs 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rfid-rs 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysfs_gpio v0.6.1
[INFO] [stderr]   Downloaded linux-embedded-hal v0.3.2
[INFO] [stderr]   Downloaded gpio-cdev v0.5.1
[INFO] [stderr]   Downloaded spidev v0.5.1
[INFO] [stderr]   Downloaded i2cdev v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bfd25928db62f68b7d4ad05e8458508ff11203f1c77b713d85987d3389e9e7cc
[INFO] running `Command { std: "docker" "start" "-a" "bfd25928db62f68b7d4ad05e8458508ff11203f1c77b713d85987d3389e9e7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd25928db62f68b7d4ad05e8458508ff11203f1c77b713d85987d3389e9e7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd25928db62f68b7d4ad05e8458508ff11203f1c77b713d85987d3389e9e7cc", kill_on_drop: false }`
[INFO] [stdout] bfd25928db62f68b7d4ad05e8458508ff11203f1c77b713d85987d3389e9e7cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4fa88239f8ab394a1d0c30decfe26883fd58e39f3908f7d1673f9aae238c9df
[INFO] running `Command { std: "docker" "start" "-a" "e4fa88239f8ab394a1d0c30decfe26883fd58e39f3908f7d1673f9aae238c9df", kill_on_drop: false }`
[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 rfid-rs v0.2.1 (/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 3.27s
[INFO] running `Command { std: "docker" "inspect" "e4fa88239f8ab394a1d0c30decfe26883fd58e39f3908f7d1673f9aae238c9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fa88239f8ab394a1d0c30decfe26883fd58e39f3908f7d1673f9aae238c9df", kill_on_drop: false }`
[INFO] [stdout] e4fa88239f8ab394a1d0c30decfe26883fd58e39f3908f7d1673f9aae238c9df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2d5cf3cc826b174d0b0643adc03e117b518fd7d76945dd8a0ec52608022d7e7
[INFO] running `Command { std: "docker" "start" "-a" "e2d5cf3cc826b174d0b0643adc03e117b518fd7d76945dd8a0ec52608022d7e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling rfid-rs v0.2.1 (/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 termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling spidev v0.5.1
[INFO] [stderr]    Compiling gpio-cdev v0.5.1
[INFO] [stderr]    Compiling i2cdev v0.5.1
[INFO] [stderr]    Compiling sysfs_gpio v0.6.1
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.2
[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[E0277]: `Uid` doesn't implement `Debug`
[INFO] [stdout]   --> examples/rpi.rs:82:39
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 println!("UID: {:?}", uid);
[INFO] [stdout]    |                                       ^^^ `Uid` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Uid`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bytes` found for enum `Uid` in the current scope
[INFO] [stdout]   --> examples/rpi.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 if uid.bytes() == &CARD_UID {
[INFO] [stdout]    |                        ^^^^^ method not found in `Uid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bytes` found for enum `Uid` in the current scope
[INFO] [stdout]   --> examples/rpi.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 } else if uid.bytes() == &TAG_UID {
[INFO] [stdout]    |                               ^^^^^ method not found in `Uid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rfid-rs` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e2d5cf3cc826b174d0b0643adc03e117b518fd7d76945dd8a0ec52608022d7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d5cf3cc826b174d0b0643adc03e117b518fd7d76945dd8a0ec52608022d7e7", kill_on_drop: false }`
[INFO] [stdout] e2d5cf3cc826b174d0b0643adc03e117b518fd7d76945dd8a0ec52608022d7e7