[INFO] cloning repository https://github.com/obabec/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obabec/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobabec%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobabec%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15d657aca4888151a37808e860b1313fb6e5b883
[INFO] documenting obabec/rust-examples against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobabec%2Frust-examples" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/obabec/rust-examples on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/obabec/rust-examples
[INFO] finished tweaking git repo https://github.com/obabec/rust-examples
[INFO] tweaked toml for git repo https://github.com/obabec/rust-examples written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/obabec/rust-examples 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-macros v0.3.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded defmt-parser v0.3.0
[INFO] [stderr]   Downloaded heapless v0.7.10
[INFO] [stderr]   Downloaded defmt v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b599ce8fb10d7ccf8eb3bd917ba098805bfb384f5fa91a5672b576be2c005fa
[INFO] running `Command { std: "docker" "start" "-a" "3b599ce8fb10d7ccf8eb3bd917ba098805bfb384f5fa91a5672b576be2c005fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b599ce8fb10d7ccf8eb3bd917ba098805bfb384f5fa91a5672b576be2c005fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b599ce8fb10d7ccf8eb3bd917ba098805bfb384f5fa91a5672b576be2c005fa", kill_on_drop: false }`
[INFO] [stdout] 3b599ce8fb10d7ccf8eb3bd917ba098805bfb384f5fa91a5672b576be2c005fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01a0b37705cd574eac42c1e4e231102d684b1b4f38f4a8e11d20161bf7befdb8
[INFO] running `Command { std: "docker" "start" "-a" "01a0b37705cd574eac42c1e4e231102d684b1b4f38f4a8e11d20161bf7befdb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling defmt v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling defmt-macros v0.3.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling critical-section v0.2.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling defmt-parser v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.6 (https://github.com/embassy-rs/embedded-hal?branch=embassy#1fa64a1d)
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking embedded-hal-async v0.0.1 (https://github.com/embassy-rs/embedded-hal?branch=embassy#1fa64a1d)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/embedded-hal-3cdc78ba8107c578/1fa64a1/embedded-hal-async/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(generic_associated_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[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 `embedded-hal-async` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "01a0b37705cd574eac42c1e4e231102d684b1b4f38f4a8e11d20161bf7befdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a0b37705cd574eac42c1e4e231102d684b1b4f38f4a8e11d20161bf7befdb8", kill_on_drop: false }`
[INFO] [stdout] 01a0b37705cd574eac42c1e4e231102d684b1b4f38f4a8e11d20161bf7befdb8
