[INFO] cloning repository https://github.com/Agrabski/exacto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Agrabski/exacto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgrabski%2Fexacto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgrabski%2Fexacto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73a985de7922966194ec3d0bb0405ce18ee09212
[INFO] documenting Agrabski/exacto against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgrabski%2Fexacto" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Agrabski/exacto
[INFO] finished tweaking git repo https://github.com/Agrabski/exacto
[INFO] tweaked toml for git repo https://github.com/Agrabski/exacto written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Agrabski/exacto on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Agrabski/exacto 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" "+1.91.0" "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 v0.3.0
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0
[INFO] [stderr]   Downloaded ssd1351 v0.5.0
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded display-interface-spi v0.5.0
[INFO] [stderr]   Downloaded panic-halt v1.0.0
[INFO] [stderr]   Downloaded avr-device-macros v0.7.0
[INFO] [stderr]   Downloaded embedded-hal-bus v0.1.0
[INFO] [stderr]   Downloaded display-interface v0.5.0
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.4.0
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] [stderr]   Downloaded micromath v2.1.0
[INFO] [stderr]   Downloaded embedded-graphics v0.8.1
[INFO] [stderr]   Downloaded avr-device v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abe642d36044682b1b91472dc94bd107b4bf0ff2916c614173527bafe2608103
[INFO] running `Command { std: "docker" "start" "-a" "abe642d36044682b1b91472dc94bd107b4bf0ff2916c614173527bafe2608103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abe642d36044682b1b91472dc94bd107b4bf0ff2916c614173527bafe2608103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe642d36044682b1b91472dc94bd107b4bf0ff2916c614173527bafe2608103", kill_on_drop: false }`
[INFO] [stdout] abe642d36044682b1b91472dc94bd107b4bf0ff2916c614173527bafe2608103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d22c776db8674bb2b4431f53a3ef4c02c8faec3680f74f1594775a138987a4c5
[INFO] running `Command { std: "docker" "start" "-a" "d22c776db8674bb2b4431f53a3ef4c02c8faec3680f74f1594775a138987a4c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling embedded-hal-bus v0.1.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking unwrap-infallible v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking display-interface v0.5.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking panic-halt v1.0.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking display-interface-spi v0.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking const_format v0.2.34
[INFO] [stderr]     Checking ssd1351 v0.5.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling avr-device-macros v0.7.0
[INFO] [stderr]     Checking avr-device v0.7.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking avr-hal-generic v0.1.0 (https://github.com/rahix/avr-hal?rev=fafaf587a32a4500239fd073f89d1b9c36b48092#fafaf587)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/avr-hal-88cb7c7248a695f0/fafaf58/avr-hal-generic/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm_experimental_arch)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d22c776db8674bb2b4431f53a3ef4c02c8faec3680f74f1594775a138987a4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22c776db8674bb2b4431f53a3ef4c02c8faec3680f74f1594775a138987a4c5", kill_on_drop: false }`
[INFO] [stdout] d22c776db8674bb2b4431f53a3ef4c02c8faec3680f74f1594775a138987a4c5
