[INFO] fetching crate hackrf 0.0.1...
[INFO] checking hackrf-0.0.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate hackrf 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hackrf 0.0.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hackrf 0.0.1
[INFO] finished tweaking crates.io crate hackrf 0.0.1
[INFO] tweaked toml for crates.io crate hackrf 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cf2b9bee67200243d50851926f4195ccf45b69b2b0d1d5708ce2e7f1faa254d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7cf2b9bee67200243d50851926f4195ccf45b69b2b0d1d5708ce2e7f1faa254d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf2b9bee67200243d50851926f4195ccf45b69b2b0d1d5708ce2e7f1faa254d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf2b9bee67200243d50851926f4195ccf45b69b2b0d1d5708ce2e7f1faa254d", kill_on_drop: false }`
[INFO] [stdout] 7cf2b9bee67200243d50851926f4195ccf45b69b2b0d1d5708ce2e7f1faa254d
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61e3719a7e15295821e4e1f03167146c091d21b3e2470195fac32039dc78f393
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61e3719a7e15295821e4e1f03167146c091d21b3e2470195fac32039dc78f393", kill_on_drop: false }`
[INFO] [stderr]     Checking hackrf v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]   --> src/lib.rs:86:38
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let cb_ptr = data.rx_ctx as *mut |&[u8]| -> bool;
[INFO] [stdout]    |                                      ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/lib.rs:103:38
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let cb_ptr = data.tx_ctx as *mut |&mut[u8]| -> bool;
[INFO] [stdout]     |                                      ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/lib.rs:118:59
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn start_rx(device: &mut HackRFDevice, callback: &mut |&[u8]| -> bool)
[INFO] [stdout]     |                                                           ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/lib.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let ctx = (callback as *mut |&[u8]| -> bool) as *mut libc::c_void;
[INFO] [stdout]     |                                 ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/lib.rs:142:59
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn start_tx(device: &mut HackRFDevice, callback: &mut |&mut[u8]| -> bool)
[INFO] [stdout]     |                                                           ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/lib.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let ctx = (callback as *mut |&mut[u8]| -> bool) as *mut libc::c_void;
[INFO] [stdout]     |                                 ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]    --> src/lib.rs:220:50
[INFO] [stdout]     |
[INFO] [stdout] 220 | ...                   -> Result<([u32, ..2], [u32, ..4]),
[INFO] [stdout]     |                                      ^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hackrf` due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "61e3719a7e15295821e4e1f03167146c091d21b3e2470195fac32039dc78f393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e3719a7e15295821e4e1f03167146c091d21b3e2470195fac32039dc78f393", kill_on_drop: false }`
[INFO] [stdout] 61e3719a7e15295821e4e1f03167146c091d21b3e2470195fac32039dc78f393