[INFO] fetching crate mfrc522 0.2.0...
[INFO] testing mfrc522-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate mfrc522 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mfrc522 0.2.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2efddb7ca92bd62e207dfd47d1162bc6c05ac1d2d715cd5b6429023c4acc68f8
[INFO] running `"docker" "start" "-a" "2efddb7ca92bd62e207dfd47d1162bc6c05ac1d2d715cd5b6429023c4acc68f8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling mfrc522 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use hal::digital::OutputPin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:95:10
[INFO] [stderr]    |
[INFO] [stderr] 95 |     NSS: OutputPin,
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:158:40
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut tx: [u8; 9] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:316:60
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let mut rx_buffer: GenericArray<u8, RX> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin::set_low': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:388:18
[INFO] [stderr]     |
[INFO] [stderr] 388 |         self.nss.set_low();
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin::set_high': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:390:18
[INFO] [stderr]     |
[INFO] [stderr] 390 |         self.nss.set_high();
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `"docker" "inspect" "2efddb7ca92bd62e207dfd47d1162bc6c05ac1d2d715cd5b6429023c4acc68f8"`
[INFO] running `"docker" "rm" "-f" "2efddb7ca92bd62e207dfd47d1162bc6c05ac1d2d715cd5b6429023c4acc68f8"`
[INFO] [stdout] 2efddb7ca92bd62e207dfd47d1162bc6c05ac1d2d715cd5b6429023c4acc68f8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9bec6df7c90772b3ca34c100f16bbbb1eb6cfaa748ec1cc7f40440a8ca44323
[INFO] running `"docker" "start" "-a" "b9bec6df7c90772b3ca34c100f16bbbb1eb6cfaa748ec1cc7f40440a8ca44323"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mfrc522 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use hal::digital::OutputPin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:95:10
[INFO] [stderr]    |
[INFO] [stderr] 95 |     NSS: OutputPin,
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:158:40
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut tx: [u8; 9] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:316:60
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let mut rx_buffer: GenericArray<u8, RX> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin::set_low': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:388:18
[INFO] [stderr]     |
[INFO] [stderr] 388 |         self.nss.set_low();
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin::set_high': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:390:18
[INFO] [stderr]     |
[INFO] [stderr] 390 |         self.nss.set_high();
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `linux_embedded_hal`
[INFO] [stderr]   --> examples/rpi.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | extern crate linux_embedded_hal as hal;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `mfrc522`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use hal::digital::OutputPin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:95:10
[INFO] [stderr]    |
[INFO] [stderr] 95 |     NSS: OutputPin,
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:158:40
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut tx: [u8; 9] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:316:60
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let mut rx_buffer: GenericArray<u8, RX> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin::set_low': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:388:18
[INFO] [stderr]     |
[INFO] [stderr] 388 |         self.nss.set_low();
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::digital::OutputPin::set_high': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:390:18
[INFO] [stderr]     |
[INFO] [stderr] 390 |         self.nss.set_high();
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b9bec6df7c90772b3ca34c100f16bbbb1eb6cfaa748ec1cc7f40440a8ca44323"`
[INFO] running `"docker" "rm" "-f" "b9bec6df7c90772b3ca34c100f16bbbb1eb6cfaa748ec1cc7f40440a8ca44323"`
[INFO] [stdout] b9bec6df7c90772b3ca34c100f16bbbb1eb6cfaa748ec1cc7f40440a8ca44323