[INFO] cloning repository https://github.com/p2mate/xtensa-rust-oled
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/p2mate/xtensa-rust-oled" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp2mate%2Fxtensa-rust-oled", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp2mate%2Fxtensa-rust-oled'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76d6a868408f4ede731ac50084291b4319be2e2f
[INFO] documenting p2mate/xtensa-rust-oled 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%2Fp2mate%2Fxtensa-rust-oled" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/p2mate/xtensa-rust-oled 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-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/p2mate/xtensa-rust-oled
[INFO] finished tweaking git repo https://github.com/p2mate/xtensa-rust-oled
[INFO] tweaked toml for git repo https://github.com/p2mate/xtensa-rust-oled written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/p2mate/xtensa-rust-oled 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mutex-trait v0.2.0
[INFO] [stderr]   Downloaded xtensa-lx-rt-proc-macros v0.1.0
[INFO] [stderr]   Downloaded xtensa-lx-rt v0.5.0
[INFO] [stderr]   Downloaded bit v0.1.1
[INFO] [stderr]   Downloaded esp32-hal-proc-macros v0.2.0
[INFO] [stderr]   Downloaded xtensa-lx v0.3.0
[INFO] [stderr]   Downloaded esp32-hal v0.2.0
[INFO] [stderr]   Downloaded esp32 v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25193a7dc73c148c1453d5c221a4a5b664499ce26cbbf486a0dafef20ce250b9
[INFO] running `Command { std: "docker" "start" "-a" "25193a7dc73c148c1453d5c221a4a5b664499ce26cbbf486a0dafef20ce250b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25193a7dc73c148c1453d5c221a4a5b664499ce26cbbf486a0dafef20ce250b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25193a7dc73c148c1453d5c221a4a5b664499ce26cbbf486a0dafef20ce250b9", kill_on_drop: false }`
[INFO] [stdout] 25193a7dc73c148c1453d5c221a4a5b664499ce26cbbf486a0dafef20ce250b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 98e92bfbc5999631e69200210d4fbb6b8f83baa3809cd23543c68171d91cb19a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98e92bfbc5999631e69200210d4fbb6b8f83baa3809cd23543c68171d91cb19a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling xtensa-lx v0.3.0
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]    Compiling xtensa-lx-rt v0.5.0
[INFO] [stderr]    Compiling esp32 v0.10.0
[INFO] [stderr]     Checking mutex-trait v0.2.0
[INFO] [stderr]    Compiling esp32-hal v0.2.0
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xtensa-lx-0.3.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[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 `xtensa-lx` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "98e92bfbc5999631e69200210d4fbb6b8f83baa3809cd23543c68171d91cb19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e92bfbc5999631e69200210d4fbb6b8f83baa3809cd23543c68171d91cb19a", kill_on_drop: false }`
[INFO] [stdout] 98e92bfbc5999631e69200210d4fbb6b8f83baa3809cd23543c68171d91cb19a
