[INFO] cloning repository https://github.com/ninjasource/nrf-tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ninjasource/nrf-tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fninjasource%2Fnrf-tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fninjasource%2Fnrf-tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69597f1063eaac9d27705d6f38754e27efb30a04
[INFO] documenting ninjasource/nrf-tester 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%2Fninjasource%2Fnrf-tester" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ninjasource/nrf-tester 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-2/source/.cargo/config
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ninjasource/nrf-tester
[INFO] finished tweaking git repo https://github.com/ninjasource/nrf-tester
[INFO] tweaked toml for git repo https://github.com/ninjasource/nrf-tester written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ninjasource/nrf-tester 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]     Updating git repository `https://github.com/embassy-rs/embassy`
[INFO] [stderr]     Updating git repository `https://github.com/embassy-rs/nrf-softdevice`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panic-probe v0.1.0
[INFO] [stderr]   Downloaded az v1.1.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.2
[INFO] [stderr]   Downloaded fixed v1.7.0
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v0.5.2
[INFO] [stderr]   Downloaded rtic-syntax v0.4.0
[INFO] [stderr]   Downloaded alloc-cortex-m v0.4.1
[INFO] [stderr]   Downloaded cortex-m-rtic v0.5.6
[INFO] [stderr]   Downloaded defmt-macros v0.2.0
[INFO] [stderr]   Downloaded defmt-parser v0.2.0
[INFO] [stderr]   Downloaded defmt v0.2.1
[INFO] [stderr]   Downloaded nrf52840-hal v0.12.1
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded defmt-rtt v0.2.0
[INFO] [stderr]   Downloaded rtic-core v0.3.1
[INFO] [stderr]   Downloaded usb-device v0.2.8
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded nrf52840-pac v0.9.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 83beb9fa9084304278a1f0969034e412e364b6a3529fe3d3780e73dcf46fa14b
[INFO] running `Command { std: "docker" "start" "-a" "83beb9fa9084304278a1f0969034e412e364b6a3529fe3d3780e73dcf46fa14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83beb9fa9084304278a1f0969034e412e364b6a3529fe3d3780e73dcf46fa14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83beb9fa9084304278a1f0969034e412e364b6a3529fe3d3780e73dcf46fa14b", kill_on_drop: false }`
[INFO] [stdout] 83beb9fa9084304278a1f0969034e412e364b6a3529fe3d3780e73dcf46fa14b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8660d9726fbfab52a380aa84b1abb35cde4d0e86bbc0fed017f6b1d360bd2f99
[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" "8660d9726fbfab52a380aa84b1abb35cde4d0e86bbc0fed017f6b1d360bd2f99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling defmt-parser v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling nrf52840-pac v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling atomic-polyfill v0.1.2
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling fixed v1.7.0
[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/futures-core-0.3.13/src/lib.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "cfg-target-has-atomic", feature(cfg_target_has_atomic))]
[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 `futures-core` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/futures-task-0.3.13/src/lib.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "cfg-target-has-atomic", feature(cfg_target_has_atomic))]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "8660d9726fbfab52a380aa84b1abb35cde4d0e86bbc0fed017f6b1d360bd2f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8660d9726fbfab52a380aa84b1abb35cde4d0e86bbc0fed017f6b1d360bd2f99", kill_on_drop: false }`
[INFO] [stdout] 8660d9726fbfab52a380aa84b1abb35cde4d0e86bbc0fed017f6b1d360bd2f99
