[INFO] fetching crate async_msp_lib 0.1.1...
[INFO] checking async_msp_lib-0.1.1 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate async_msp_lib 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async_msp_lib 0.1.1 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate async_msp_lib 0.1.1
[INFO] finished tweaking crates.io crate async_msp_lib 0.1.1
[INFO] tweaked toml for crates.io crate async_msp_lib 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multiwii_serial_protocol_v2 v0.1.4
[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=forbid" "-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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33601a65663b648e893b39fde2ef15c8d052211b1f0193cff85fef20e893054e
[INFO] running `"docker" "start" "-a" "33601a65663b648e893b39fde2ef15c8d052211b1f0193cff85fef20e893054e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking debug-helper v0.3.8
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking crc-any v2.3.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking wasm-bindgen v0.2.63
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking web-sys v0.3.40
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking smol v0.1.12
[INFO] [stderr]    Compiling packed_struct_codegen v0.3.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.1
[INFO] [stderr]     Checking multiwii_serial_protocol_v2 v0.1.4
[INFO] [stderr]     Checking async_msp_lib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 match timeout_res.unwrap() {
[INFO] [stderr]    |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 71 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr]    |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 match timeout_res.unwrap() {
[INFO] [stderr]    |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 71 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr] 72 |                     Some(payload) => {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:394:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 match timeout_res.unwrap() {
[INFO] [stderr]     |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 394 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr]     |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:395:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 match timeout_res.unwrap() {
[INFO] [stderr]     |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 394 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr] 395 |                     Some(payload) => {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 match timeout_res.unwrap() {
[INFO] [stderr]    |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 71 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr]    |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 match timeout_res.unwrap() {
[INFO] [stderr]    |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 71 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr] 72 |                     Some(payload) => {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:394:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 match timeout_res.unwrap() {
[INFO] [stderr]     |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 394 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr]     |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:395:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 match timeout_res.unwrap() {
[INFO] [stderr]     |                       -------------------- this expression has type `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 394 |                     None => return Err(io::Error::new(io::ErrorKind::ConnectionAborted, "device disconnected")),
[INFO] [stderr] 395 |                     Some(payload) => {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<std::result::Result<std::vec::Vec<u8>, ()>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/core.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return match self.msp_reader_recv.recv().await {
[INFO] [stderr]    |                      --------------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 53 |             None => None,
[INFO] [stderr]    |             ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/core.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return match self.msp_reader_recv.recv().await {
[INFO] [stderr]    |                      --------------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 53 |             None => None,
[INFO] [stderr] 54 |             Some(packet) => Some(packet),
[INFO] [stderr]    |             ^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/core.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 let packet = match msp_writer_recv.recv().await {
[INFO] [stderr]     |                                    ---------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 104 |                     None => break,
[INFO] [stderr]     |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/core.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 let packet = match msp_writer_recv.recv().await {
[INFO] [stderr]     |                                    ---------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 104 |                     None => break,
[INFO] [stderr] 105 |                     Some(packet) => packet,
[INFO] [stderr]     |                     ^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `async_msp_lib`.
[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] error[E0308]: mismatched types
[INFO] [stderr]   --> src/core.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return match self.msp_reader_recv.recv().await {
[INFO] [stderr]    |                      --------------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 53 |             None => None,
[INFO] [stderr]    |             ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/core.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return match self.msp_reader_recv.recv().await {
[INFO] [stderr]    |                      --------------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 53 |             None => None,
[INFO] [stderr] 54 |             Some(packet) => Some(packet),
[INFO] [stderr]    |             ^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]               found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/core.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 let packet = match msp_writer_recv.recv().await {
[INFO] [stderr]     |                                    ---------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 104 |                     None => break,
[INFO] [stderr]     |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/core.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 let packet = match msp_writer_recv.recv().await {
[INFO] [stderr]     |                                    ---------------------------- this expression has type `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr] 104 |                     None => break,
[INFO] [stderr] 105 |                     Some(packet) => packet,
[INFO] [stderr]     |                     ^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<multiwii_serial_protocol_v2::MspPacket, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "33601a65663b648e893b39fde2ef15c8d052211b1f0193cff85fef20e893054e"`
[INFO] running `"docker" "rm" "-f" "33601a65663b648e893b39fde2ef15c8d052211b1f0193cff85fef20e893054e"`
[INFO] [stdout] 33601a65663b648e893b39fde2ef15c8d052211b1f0193cff85fef20e893054e