[INFO] cloning repository https://github.com/ConnorD/robot-car-fun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorD/robot-car-fun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorD%2Frobot-car-fun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorD%2Frobot-car-fun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8325f2c18930cf723f660afb2f5a684a6fe3079
[INFO] documenting ConnorD/robot-car-fun 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%2FConnorD%2Frobot-car-fun" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorD/robot-car-fun 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-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ConnorD/robot-car-fun
[INFO] finished tweaking git repo https://github.com/ConnorD/robot-car-fun
[INFO] tweaked toml for git repo https://github.com/ConnorD/robot-car-fun written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ConnorD/robot-car-fun 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-macros v0.2.0
[INFO] [stderr]   Downloaded ufmt v0.1.2
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded avr-device-macros v0.5.1
[INFO] [stderr]   Downloaded avr-device v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b950edba28658ca91a96e57b46c813e34c3473d009875892068e2a5ad0073d16
[INFO] running `Command { std: "docker" "start" "-a" "b950edba28658ca91a96e57b46c813e34c3473d009875892068e2a5ad0073d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b950edba28658ca91a96e57b46c813e34c3473d009875892068e2a5ad0073d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b950edba28658ca91a96e57b46c813e34c3473d009875892068e2a5ad0073d16", kill_on_drop: false }`
[INFO] [stdout] b950edba28658ca91a96e57b46c813e34c3473d009875892068e2a5ad0073d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fc56d16a4c874c672fe0397ff6e328d8c9543416cba48063f9102b5add90f60b
[INFO] running `Command { std: "docker" "start" "-a" "fc56d16a4c874c672fe0397ff6e328d8c9543416cba48063f9102b5add90f60b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling paste v1.0.12
[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 bare-metal v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling avr-hal-generic v0.1.0 (https://github.com/rahix/avr-hal?rev=7dfa6d322b9df98b2d98afe0e14a97afe0187ac1#7dfa6d32)
[INFO] [stderr]    Compiling avr-device-macros v0.5.1
[INFO] [stderr]    Compiling ufmt-macros v0.2.0
[INFO] [stderr]     Checking avr-device v0.5.1
[INFO] [stderr]     Checking ufmt v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/avr-hal-f3855d5807fdfd57/7dfa6d3/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 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" "fc56d16a4c874c672fe0397ff6e328d8c9543416cba48063f9102b5add90f60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc56d16a4c874c672fe0397ff6e328d8c9543416cba48063f9102b5add90f60b", kill_on_drop: false }`
[INFO] [stdout] fc56d16a4c874c672fe0397ff6e328d8c9543416cba48063f9102b5add90f60b
[INFO] documenting ConnorD/robot-car-fun against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorD%2Frobot-car-fun" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorD/robot-car-fun on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ConnorD/robot-car-fun
[INFO] finished tweaking git repo https://github.com/ConnorD/robot-car-fun
[INFO] tweaked toml for git repo https://github.com/ConnorD/robot-car-fun written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ConnorD/robot-car-fun 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 913b3e39eebeb49d6cf6aee78d2ef6704dd9d875157537385e393be20b1fd018
[INFO] running `Command { std: "docker" "start" "-a" "913b3e39eebeb49d6cf6aee78d2ef6704dd9d875157537385e393be20b1fd018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "913b3e39eebeb49d6cf6aee78d2ef6704dd9d875157537385e393be20b1fd018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913b3e39eebeb49d6cf6aee78d2ef6704dd9d875157537385e393be20b1fd018", kill_on_drop: false }`
[INFO] [stdout] 913b3e39eebeb49d6cf6aee78d2ef6704dd9d875157537385e393be20b1fd018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5a81b5d12894267793dc88c692c623c2b10d97f5090f97283c35e047aca618
[INFO] running `Command { std: "docker" "start" "-a" "0d5a81b5d12894267793dc88c692c623c2b10d97f5090f97283c35e047aca618", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling avr-hal-generic v0.1.0 (https://github.com/rahix/avr-hal?rev=7dfa6d322b9df98b2d98afe0e14a97afe0187ac1#7dfa6d32)
[INFO] [stderr]    Compiling avr-device-macros v0.5.1
[INFO] [stderr]    Compiling ufmt-macros v0.2.0
[INFO] [stderr]     Checking avr-device v0.5.1
[INFO] [stderr]     Checking ufmt v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/avr-hal-f3855d5807fdfd57/7dfa6d3/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 1 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" "0d5a81b5d12894267793dc88c692c623c2b10d97f5090f97283c35e047aca618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5a81b5d12894267793dc88c692c623c2b10d97f5090f97283c35e047aca618", kill_on_drop: false }`
[INFO] [stdout] 0d5a81b5d12894267793dc88c692c623c2b10d97f5090f97283c35e047aca618
