[INFO] fetching crate hzgrow-r502 0.2.2...
[INFO] testing hzgrow-r502-0.2.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate hzgrow-r502 0.2.2 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate hzgrow-r502 0.2.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hzgrow-r502 0.2.2
[INFO] finished tweaking crates.io crate hzgrow-r502 0.2.2
[INFO] tweaked toml for crates.io crate hzgrow-r502 0.2.2 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate hzgrow-r502 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e308aee0eab2392d2c77ebb04ef21034595ac653c758e789a707dca51fe2020
[INFO] running `Command { std: "docker" "start" "-a" "0e308aee0eab2392d2c77ebb04ef21034595ac653c758e789a707dca51fe2020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e308aee0eab2392d2c77ebb04ef21034595ac653c758e789a707dca51fe2020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e308aee0eab2392d2c77ebb04ef21034595ac653c758e789a707dca51fe2020", kill_on_drop: false }`
[INFO] [stdout] 0e308aee0eab2392d2c77ebb04ef21034595ac653c758e789a707dca51fe2020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5e8905ba8b51f2722ed5e54e69a33aa429e5258459c62abc309022d13ec667
[INFO] running `Command { std: "docker" "start" "-a" "2f5e8905ba8b51f2722ed5e54e69a33aa429e5258459c62abc309022d13ec667", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling hzgrow-r502 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unicode codepoint changing visible direction of text present in doc comment
[INFO] [stdout]    --> src/responses.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 356 |     /// The default value is 6 for 57,600 baud.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment contains an invisible unicode text flow control codepoint
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(text_direction_codepoint_in_literal)]` on by default
[INFO] [stdout]     = note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
[INFO] [stdout]     = note: if their presence wasn't intentional, you can remove them
[INFO] [stdout]     = note: if you want to keep them but make them visible in your source code, you can escape them: '\u{202c}'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hzgrow-r502` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f5e8905ba8b51f2722ed5e54e69a33aa429e5258459c62abc309022d13ec667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5e8905ba8b51f2722ed5e54e69a33aa429e5258459c62abc309022d13ec667", kill_on_drop: false }`
[INFO] [stdout] 2f5e8905ba8b51f2722ed5e54e69a33aa429e5258459c62abc309022d13ec667