[INFO] fetching crate esp-at-nal 0.2.1...
[INFO] checking esp-at-nal-0.2.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate esp-at-nal 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate esp-at-nal 0.2.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-1-tc2/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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 435b5670bc7bd721842926d0c7a77ffb63d25ae72f0b0104ad0286eb743fb6fa
[INFO] running `Command { std: "docker" "start" "-a" "435b5670bc7bd721842926d0c7a77ffb63d25ae72f0b0104ad0286eb743fb6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "435b5670bc7bd721842926d0c7a77ffb63d25ae72f0b0104ad0286eb743fb6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435b5670bc7bd721842926d0c7a77ffb63d25ae72f0b0104ad0286eb743fb6fa", kill_on_drop: false }`
[INFO] [stdout] 435b5670bc7bd721842926d0c7a77ffb63d25ae72f0b0104ad0286eb743fb6fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a68a2b91b747149dc2466595382f5112b0500889b7549af861d0b8bb5454b93f
[INFO] running `Command { std: "docker" "start" "-a" "a68a2b91b747149dc2466595382f5112b0500889b7549af861d0b8bb5454b93f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.9
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking bbqueue v0.5.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]     Checking fragile v1.2.1
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking fugit v0.3.6
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking heapless-bytes v0.3.0
[INFO] [stderr]     Checking serde_at v0.18.0
[INFO] [stderr]     Checking embedded-nal v0.6.0
[INFO] [stderr]    Compiling atat_derive v0.18.0
[INFO] [stderr]    Compiling mockall_derive v0.11.2
[INFO] [stderr]     Checking atat v0.18.0
[INFO] [stderr]     Checking esp-at-nal v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking 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" "a68a2b91b747149dc2466595382f5112b0500889b7549af861d0b8bb5454b93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68a2b91b747149dc2466595382f5112b0500889b7549af861d0b8bb5454b93f", kill_on_drop: false }`
[INFO] [stdout] a68a2b91b747149dc2466595382f5112b0500889b7549af861d0b8bb5454b93f
