[INFO] cloning repository https://github.com/MichaelDarr/lagom_firmware
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelDarr/lagom_firmware" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelDarr%2Flagom_firmware", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelDarr%2Flagom_firmware'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa00506d37df5e006adea29d585bd5f6d5b3b6ab
[INFO] documenting MichaelDarr/lagom_firmware against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelDarr%2Flagom_firmware" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MichaelDarr/lagom_firmware on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/MichaelDarr/lagom_firmware
[INFO] finished tweaking git repo https://github.com/MichaelDarr/lagom_firmware
[INFO] tweaked toml for git repo https://github.com/MichaelDarr/lagom_firmware written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MichaelDarr/lagom_firmware 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rahix/avr-hal`
[INFO] [stderr]     Updating git repository `https://github.com/agausmann/atmega-usbd`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-macros v0.2.0
[INFO] [stderr]   Downloaded avr-device-macros v0.5.2
[INFO] [stderr]   Downloaded ufmt v0.1.2
[INFO] [stderr]   Downloaded avr-device v0.5.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d019145e1952bc72268a0f65986b34e4113d8ccbbc227918542734ec5bd7a35
[INFO] running `Command { std: "docker" "start" "-a" "0d019145e1952bc72268a0f65986b34e4113d8ccbbc227918542734ec5bd7a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d019145e1952bc72268a0f65986b34e4113d8ccbbc227918542734ec5bd7a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d019145e1952bc72268a0f65986b34e4113d8ccbbc227918542734ec5bd7a35", kill_on_drop: false }`
[INFO] [stdout] 0d019145e1952bc72268a0f65986b34e4113d8ccbbc227918542734ec5bd7a35
[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=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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8980990b23eba29898caa2eb5444804c953753ff18e8d8b8d4114f4e54dc3072
[INFO] running `Command { std: "docker" "start" "-a" "8980990b23eba29898caa2eb5444804c953753ff18e8d8b8d4114f4e54dc3072", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling defmt-macros v0.3.6
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling usbd-hid-descriptors v0.1.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling defmt v0.3.5
[INFO] [stderr]    Compiling avr-hal-generic v0.1.0 (https://github.com/rahix/avr-hal?rev=7b3e82a15e97e657559ec82cf934ba36c38312ec#7b3e82a1)
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling avr-device-macros v0.5.2
[INFO] [stderr]    Compiling ufmt-macros v0.2.0
[INFO] [stderr]    Compiling usbd-hid-macros v0.6.0
[INFO] [stderr]    Compiling defmt-parser v0.3.3
[INFO] [stderr]     Checking ufmt v0.1.2
[INFO] [stderr]     Checking avr-device v0.5.2
[INFO] [stderr]     Checking usbd-hid v0.6.1
[INFO] [stderr]     Checking atmega-usbd v0.1.0 (https://github.com/agausmann/atmega-usbd?rev=5fc68ca813ce0a37dab65dd4d66efe1ec125f2a8#5fc68ca8)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/atmega-usbd-0a588027fa56394d/5fc68ca/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm_experimental_arch)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register class `reg_upper`: unknown register class
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/atmega-usbd-0a588027fa56394d/5fc68ca/src/lib.rs:640:13
[INFO] [stdout]     |
[INFO] [stdout] 640 |             r0 = inout(reg_upper) cycles_bytes[0],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register class `reg_upper`: unknown register class
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/atmega-usbd-0a588027fa56394d/5fc68ca/src/lib.rs:641:13
[INFO] [stdout]     |
[INFO] [stdout] 641 |             r1 = inout(reg_upper) cycles_bytes[1],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register class `reg_upper`: unknown register class
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/atmega-usbd-0a588027fa56394d/5fc68ca/src/lib.rs:642:13
[INFO] [stdout]     |
[INFO] [stdout] 642 |             r2 = inout(reg_upper) cycles_bytes[2],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register class `reg_upper`: unknown register class
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/atmega-usbd-0a588027fa56394d/5fc68ca/src/lib.rs:643:13
[INFO] [stdout]     |
[INFO] [stdout] 643 |             r3 = inout(reg_upper) cycles_bytes[3],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/avr-hal-f3855d5807fdfd57/7b3e82a/avr-hal-generic/src/lib.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(avr_hal_asm_macro, feature(asm_experimental_arch))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atmega-usbd` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `avr-hal-generic` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8980990b23eba29898caa2eb5444804c953753ff18e8d8b8d4114f4e54dc3072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8980990b23eba29898caa2eb5444804c953753ff18e8d8b8d4114f4e54dc3072", kill_on_drop: false }`
[INFO] [stdout] 8980990b23eba29898caa2eb5444804c953753ff18e8d8b8d4114f4e54dc3072
