[INFO] fetching crate hzgrow-r502 0.2.2...
[INFO] checking hzgrow-r502-0.2.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate hzgrow-r502 0.2.2 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hzgrow-r502 0.2.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hzgrow-r502 0.2.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00595466f9e211af08840a5f8919cc34f9de7c342bc71459d551eea446cb1a8a
[INFO] running `Command { std: "docker" "start" "-a" "00595466f9e211af08840a5f8919cc34f9de7c342bc71459d551eea446cb1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00595466f9e211af08840a5f8919cc34f9de7c342bc71459d551eea446cb1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00595466f9e211af08840a5f8919cc34f9de7c342bc71459d551eea446cb1a8a", kill_on_drop: false }`
[INFO] [stdout] 00595466f9e211af08840a5f8919cc34f9de7c342bc71459d551eea446cb1a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b77faa77e40cb686405b426b2e1b0f3baaf865557894505d839859697af1d3
[INFO] running `Command { std: "docker" "start" "-a" "10b77faa77e40cb686405b426b2e1b0f3baaf865557894505d839859697af1d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking 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: 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]     = note: `#[deny(text_direction_codepoint_in_literal)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hzgrow-r502` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "10b77faa77e40cb686405b426b2e1b0f3baaf865557894505d839859697af1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b77faa77e40cb686405b426b2e1b0f3baaf865557894505d839859697af1d3", kill_on_drop: false }`
[INFO] [stdout] 10b77faa77e40cb686405b426b2e1b0f3baaf865557894505d839859697af1d3