[INFO] cloning repository https://github.com/BBScholar/can-probe-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BBScholar/can-probe-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBBScholar%2Fcan-probe-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBBScholar%2Fcan-probe-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50bee4abdfc4cce9c066726de5017e1608521861
[INFO] documenting BBScholar/can-probe-rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBBScholar%2Fcan-probe-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BBScholar/can-probe-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BBScholar/can-probe-rs
[INFO] finished tweaking git repo https://github.com/BBScholar/can-probe-rs
[INFO] tweaked toml for git repo https://github.com/BBScholar/can-probe-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BBScholar/can-probe-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9787e08fb4d71b667396d962c2c03e30068e9eee68d1a354eb75333d594b3169
[INFO] running `Command { std: "docker" "start" "-a" "9787e08fb4d71b667396d962c2c03e30068e9eee68d1a354eb75333d594b3169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9787e08fb4d71b667396d962c2c03e30068e9eee68d1a354eb75333d594b3169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9787e08fb4d71b667396d962c2c03e30068e9eee68d1a354eb75333d594b3169", kill_on_drop: false }`
[INFO] [stdout] 9787e08fb4d71b667396d962c2c03e30068e9eee68d1a354eb75333d594b3169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b45094385fa8bf3c9c9467442121154eb8b93c89bcdf6e33dc77d4a5f83ae3
[INFO] running `Command { std: "docker" "start" "-a" "48b45094385fa8bf3c9c9467442121154eb8b93c89bcdf6e33dc77d4a5f83ae3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling defmt-parser v0.1.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling rusb v0.7.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]  Documenting adaptor-cli v0.1.0 (/opt/rustwide/workdir/adaptor-cli)
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling defmt v0.1.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling defmt-macros v0.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking postcard v0.5.1
[INFO] [stderr]     Checking adaptor-common v0.1.0 (/opt/rustwide/workdir/adaptor-common)
[INFO] [stderr]  Documenting adaptor-common v0.1.0 (/opt/rustwide/workdir/adaptor-common)
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]  Documenting adaptor-core v0.1.0 (/opt/rustwide/workdir/adaptor-core)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> adaptor-core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 document `adaptor-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name adaptor_core adaptor-core/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern adaptor_common=/opt/rustwide/target/debug/deps/libadaptor_common-a53d3fece3ccc20a.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9c0806ad344e3593.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-13e956358d4b1b33.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-b46c9bd4eab4f94e.so --extern heapless=/opt/rustwide/target/debug/deps/libheapless-e8ddc9a6b2466854.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-56a705720bafac8d.rmeta --extern postcard=/opt/rustwide/target/debug/deps/libpostcard-cb0e8a33bf9121ca.rmeta --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-4ae6ab55aa2abf4c.rmeta --extern rusb=/opt/rustwide/target/debug/deps/librusb-456dc6364ba5b312.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4f717dbe768e6f5b.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1d8b63830b19e7ae.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "48b45094385fa8bf3c9c9467442121154eb8b93c89bcdf6e33dc77d4a5f83ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b45094385fa8bf3c9c9467442121154eb8b93c89bcdf6e33dc77d4a5f83ae3", kill_on_drop: false }`
[INFO] [stdout] 48b45094385fa8bf3c9c9467442121154eb8b93c89bcdf6e33dc77d4a5f83ae3
