[INFO] fetching crate hc12-at 0.2.0...
[INFO] testing hc12-at-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hc12-at 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate hc12-at 0.2.0
[INFO] finished tweaking crates.io crate hc12-at 0.2.0
[INFO] tweaked toml for crates.io crate hc12-at 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hc12-at 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding debugless-unwrap v0.0.4 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-hal-mock v0.7.2 (available: v0.11.1)
[INFO] [stderr]       Adding num-derive v0.3.3 (available: v0.4.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded at-commands v0.5.6
[INFO] [stderr]   Downloaded debugless-unwrap v0.0.4
[INFO] [stderr]   Downloaded embedded-hal-mock v0.7.2
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4341e852a8f7f410566ac02614ee7fd4293b8fd1ce0c5f9a6bb3bfc953f8dade
[INFO] running `Command { std: "docker" "start" "-a" "4341e852a8f7f410566ac02614ee7fd4293b8fd1ce0c5f9a6bb3bfc953f8dade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4341e852a8f7f410566ac02614ee7fd4293b8fd1ce0c5f9a6bb3bfc953f8dade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4341e852a8f7f410566ac02614ee7fd4293b8fd1ce0c5f9a6bb3bfc953f8dade", kill_on_drop: false }`
[INFO] [stdout] 4341e852a8f7f410566ac02614ee7fd4293b8fd1ce0c5f9a6bb3bfc953f8dade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee7e3b2cb10544e7f4e6f0d824cf6df06c3a991cff4ef4f14ea9aec6822b7e44
[INFO] running `Command { std: "docker" "start" "-a" "ee7e3b2cb10544e7f4e6f0d824cf6df06c3a991cff4ef4f14ea9aec6822b7e44", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling at-commands v0.5.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling hc12-at v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0423]: expected value, found struct `ParseError`
[INFO] [stdout]   --> src/settings/response_parser/baudrate.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     Err(ParseError)
[INFO] [stdout]    |                         ^^^^^^^^^^ constructor is not visible here due to private fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found struct `ParseError`
[INFO] [stdout]   --> src/settings/response_parser/channel.rs:18:45
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Channel::try_from(byte).map_err(|_| ParseError)
[INFO] [stdout]    |                                             ^^^^^^^^^^ constructor is not visible here due to private fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found struct `ParseError`
[INFO] [stdout]   --> src/settings/response_parser/mode.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Ok(_) => Err(ParseError),
[INFO] [stdout]    |                          ^^^^^^^^^^ constructor is not visible here due to private fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found struct `ParseError`
[INFO] [stdout]   --> src/settings/response_parser/transmission_power.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 Err(_) => Err(ParseError),
[INFO] [stdout]    |                               ^^^^^^^^^^ constructor is not visible here due to private fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hc12-at` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee7e3b2cb10544e7f4e6f0d824cf6df06c3a991cff4ef4f14ea9aec6822b7e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7e3b2cb10544e7f4e6f0d824cf6df06c3a991cff4ef4f14ea9aec6822b7e44", kill_on_drop: false }`
[INFO] [stdout] ee7e3b2cb10544e7f4e6f0d824cf6df06c3a991cff4ef4f14ea9aec6822b7e44