[INFO] cloning repository https://github.com/MarkusAkesson/rost
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarkusAkesson/rost" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusAkesson%2Frost", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusAkesson%2Frost'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c748295519eba83765b7020039aaa67c56ec11da
[INFO] documenting MarkusAkesson/rost 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%2FMarkusAkesson%2Frost" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarkusAkesson/rost 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] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/MarkusAkesson/rost
[INFO] finished tweaking git repo https://github.com/MarkusAkesson/rost
[INFO] tweaked toml for git repo https://github.com/MarkusAkesson/rost written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-embedded/riscv.git`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1c2bd7b471f4073aa26c6aa658ea7f51811ee46b42ef9c8e69e0c8f7a6d8ca89
[INFO] running `Command { std: "docker" "start" "-a" "1c2bd7b471f4073aa26c6aa658ea7f51811ee46b42ef9c8e69e0c8f7a6d8ca89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2bd7b471f4073aa26c6aa658ea7f51811ee46b42ef9c8e69e0c8f7a6d8ca89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2bd7b471f4073aa26c6aa658ea7f51811ee46b42ef9c8e69e0c8f7a6d8ca89", kill_on_drop: false }`
[INFO] [stdout] 1c2bd7b471f4073aa26c6aa658ea7f51811ee46b42ef9c8e69e0c8f7a6d8ca89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5681df53c33106a9eac42bf16c3197f3602451f9125ed1403f8f5f6e60a0a438
[INFO] running `Command { std: "docker" "start" "-a" "5681df53c33106a9eac42bf16c3197f3602451f9125ed1403f8f5f6e60a0a438", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling rost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling riscv v0.6.0
[INFO] [stderr]    Compiling riscv v0.7.0 (https://github.com/rust-embedded/riscv.git#498924d0)
[INFO] [stderr]    Compiling riscv-rt v0.8.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.3
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stderr]  Documenting rost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(global_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(panic_info_message)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `rost`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rost 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 lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7a755427420bcc72.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-be8c314c6d97e413.rmeta --extern num_enum_derive=/opt/rustwide/target/debug/deps/libnum_enum_derive-e70f3d233cccaf76.so --extern riscv=/opt/rustwide/target/debug/deps/libriscv-985d922cf196749f.rmeta --extern riscv_rt=/opt/rustwide/target/debug/deps/libriscv_rt-d3f6445fe9cff961.rmeta --extern spin=/opt/rustwide/target/debug/deps/libspin-d582309c52b48460.rmeta --extern volatile=/opt/rustwide/target/debug/deps/libvolatile-2916e3da778e24be.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5681df53c33106a9eac42bf16c3197f3602451f9125ed1403f8f5f6e60a0a438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5681df53c33106a9eac42bf16c3197f3602451f9125ed1403f8f5f6e60a0a438", kill_on_drop: false }`
[INFO] [stdout] 5681df53c33106a9eac42bf16c3197f3602451f9125ed1403f8f5f6e60a0a438
