[INFO] fetching crate esp-at-nal 0.2.1...
[INFO] testing esp-at-nal-0.2.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate esp-at-nal 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate esp-at-nal 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate esp-at-nal 0.2.1
[INFO] finished tweaking crates.io crate esp-at-nal 0.2.1
[INFO] tweaked toml for crates.io crate esp-at-nal 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate esp-at-nal 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mockall_derive v0.11.2
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded numtoa v0.2.4
[INFO] [stderr]   Downloaded bbqueue v0.5.1
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded critical-section v0.2.7
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]   Downloaded mockall v0.11.2
[INFO] [stderr]   Downloaded serde_at v0.18.0
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.10
[INFO] [stderr]   Downloaded fugit v0.3.6
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.9
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded cortex-m v0.7.6
[INFO] [stderr]   Downloaded heapless-bytes v0.3.0
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded gcd v2.1.0
[INFO] [stderr]   Downloaded fragile v1.2.1
[INFO] [stderr]   Downloaded atat_derive v0.18.0
[INFO] [stderr]   Downloaded atat v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f152c4966ed4cef9f35fb9f33b379a90c1a0edfe770be6773353c006b5455d54
[INFO] running `Command { std: "docker" "start" "-a" "f152c4966ed4cef9f35fb9f33b379a90c1a0edfe770be6773353c006b5455d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f152c4966ed4cef9f35fb9f33b379a90c1a0edfe770be6773353c006b5455d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f152c4966ed4cef9f35fb9f33b379a90c1a0edfe770be6773353c006b5455d54", kill_on_drop: false }`
[INFO] [stdout] f152c4966ed4cef9f35fb9f33b379a90c1a0edfe770be6773353c006b5455d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2807f521cb26c6475d75595ceeba739c6c1407ef35b82e43bcde094db8d9162a
[INFO] running `Command { std: "docker" "start" "-a" "2807f521cb26c6475d75595ceeba739c6c1407ef35b82e43bcde094db8d9162a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling gcd v2.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling fugit v0.3.6
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]    Compiling fugit-timer v0.1.3
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling no-std-net v0.5.0
[INFO] [stderr]    Compiling bbqueue v0.5.1
[INFO] [stderr]    Compiling base16 v0.2.1
[INFO] [stderr]    Compiling numtoa v0.2.4
[INFO] [stderr]    Compiling serde_bytes v0.11.7
[INFO] [stderr]    Compiling serde_at v0.18.0
[INFO] [stderr]    Compiling heapless-bytes v0.3.0
[INFO] [stderr]    Compiling embedded-nal v0.6.0
[INFO] [stderr]    Compiling atat_derive v0.18.0
[INFO] [stderr]    Compiling atat v0.18.0
[INFO] [stderr]    Compiling esp-at-nal v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "2807f521cb26c6475d75595ceeba739c6c1407ef35b82e43bcde094db8d9162a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2807f521cb26c6475d75595ceeba739c6c1407ef35b82e43bcde094db8d9162a", kill_on_drop: false }`
[INFO] [stdout] 2807f521cb26c6475d75595ceeba739c6c1407ef35b82e43bcde094db8d9162a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc72f883adb1bcb3015eb1dc7b5bec6f1a4a9b25e181168396674e7898265a67
[INFO] running `Command { std: "docker" "start" "-a" "bc72f883adb1bcb3015eb1dc7b5bec6f1a4a9b25e181168396674e7898265a67", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v1.2.1
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling atat_derive v0.18.0
[INFO] [stderr]    Compiling mockall_derive v0.11.2
[INFO] [stderr]    Compiling atat v0.18.0
[INFO] [stderr]    Compiling esp-at-nal v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mockall v0.11.2
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]   --> examples/linux.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use serialport::{DataBits, FlowControl, Parity, SerialPort, StopBits};
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `serialport`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serialport`
[INFO] [stdout]   --> examples/linux.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let serial_tx = serialport::new(dev, baud_rate)
[INFO] [stdout]    |                     ^^^^^^^^^^ use of undeclared crate or module `serialport`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `esp-at-nal` (example "linux") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc72f883adb1bcb3015eb1dc7b5bec6f1a4a9b25e181168396674e7898265a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc72f883adb1bcb3015eb1dc7b5bec6f1a4a9b25e181168396674e7898265a67", kill_on_drop: false }`
[INFO] [stdout] bc72f883adb1bcb3015eb1dc7b5bec6f1a4a9b25e181168396674e7898265a67
