[INFO] cloning repository https://github.com/ianrrees/atsamd-usbd-uart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianrrees/atsamd-usbd-uart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianrrees%2Fatsamd-usbd-uart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianrrees%2Fatsamd-usbd-uart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89e0d0a6ca248f9ca0c297e258b2463b4b07ddbd
[INFO] documenting ianrrees/atsamd-usbd-uart against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianrrees%2Fatsamd-usbd-uart" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianrrees/atsamd-usbd-uart on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianrrees/atsamd-usbd-uart
[INFO] finished tweaking git repo https://github.com/ianrrees/atsamd-usbd-uart
[INFO] tweaked toml for git repo https://github.com/ianrrees/atsamd-usbd-uart written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/ianrrees/atsamd-usbd-uart already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (atsamd-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded seq-macro v0.3.0
[INFO] [stderr]   Downloaded atsamd-hal v0.15.1
[INFO] [stderr]   Downloaded defmt-macros v0.2.3
[INFO] [stderr]   Downloaded bbqueue v0.4.12
[INFO] [stderr]   Downloaded defmt-rtt v0.2.0
[INFO] [stderr]   Downloaded usb-device v0.2.8
[INFO] [stderr]   Downloaded defmt v0.2.3
[INFO] [stderr]   Downloaded defmt-parser v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ae41e2156c0477dfd037d2cdab6d10e566eab09c00a8889ca106cbb797c4b11
[INFO] running `Command { std: "docker" "start" "-a" "8ae41e2156c0477dfd037d2cdab6d10e566eab09c00a8889ca106cbb797c4b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae41e2156c0477dfd037d2cdab6d10e566eab09c00a8889ca106cbb797c4b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae41e2156c0477dfd037d2cdab6d10e566eab09c00a8889ca106cbb797c4b11", kill_on_drop: false }`
[INFO] [stdout] 8ae41e2156c0477dfd037d2cdab6d10e566eab09c00a8889ca106cbb797c4b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78b34ea1cf49c657f7e699a6c2476c1c64012f58fd54a5ec4ed306f27da28850
[INFO] running `Command { std: "docker" "start" "-a" "78b34ea1cf49c657f7e699a6c2476c1c64012f58fd54a5ec4ed306f27da28850", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (atsamd-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling defmt-parser v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling seq-macro v0.3.0
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling defmt v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking bbqueue v0.4.12
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling defmt-macros v0.2.3
[INFO] [stderr]     Checking defmt-rtt v0.2.0
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking atsamd-hal v0.15.1
[INFO] [stdout] error: The HAL is usually built for a specific target device, selected using a feature.  If atsamd-hal is being built as a library, bypass this check by specifying the `library` feature
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/atsamd-hal-0.15.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / compile_error!(
[INFO] [stdout] 11 | |     "The HAL is usually built for a specific target device, selected using a \
[INFO] [stdout] 12 | |     feature.  If atsamd-hal is being built as a library, bypass this check by \
[INFO] [stdout] 13 | |     specifying the `library` feature"
[INFO] [stdout] 14 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The 'usb' feature is enabled, but not a chip with USB support
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/atsamd-hal-0.15.1/src/lib.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | compile_error!("The 'usb' feature is enabled, but not a chip with USB support");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atsamd-hal` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "78b34ea1cf49c657f7e699a6c2476c1c64012f58fd54a5ec4ed306f27da28850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b34ea1cf49c657f7e699a6c2476c1c64012f58fd54a5ec4ed306f27da28850", kill_on_drop: false }`
[INFO] [stdout] 78b34ea1cf49c657f7e699a6c2476c1c64012f58fd54a5ec4ed306f27da28850