[INFO] cloning repository https://github.com/martimos/kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martimos/kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartimos%2Fkernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartimos%2Fkernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bec5981727202341ed3ca9fa207f0529cc40f37
[INFO] documenting martimos/kernel against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartimos%2Fkernel" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martimos/kernel on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/martimos/kernel
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/martimos/kernel
[INFO] tweaked toml for git repo https://github.com/martimos/kernel written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/martimos/kernel 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/martimos/kernel_constants`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded runner-utils v0.0.2
[INFO] [stderr]   Downloaded locate-cargo-manifest v0.2.2
[INFO] [stderr]   Downloaded bootloader v0.10.13
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded bootloader-locator v0.0.4
[INFO] [stderr]   Downloaded uart_16550 v0.2.18
[INFO] [stderr]   Downloaded kstd v0.0.4
[INFO] [stderr]   Downloaded pic8259 v0.10.2
[INFO] [stderr]   Downloaded conquer-once v0.3.2
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.2
[INFO] [stderr]   Downloaded volatile v0.4.5
[INFO] [stderr]   Downloaded x86_64 v0.14.10
[INFO] [stderr]   Downloaded noto-sans-mono-bitmap v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d393a460542cc6d877f0386e0cd3ff24cc07fc54e8328e8ddb153de62d012e79
[INFO] running `Command { std: "docker" "start" "-a" "d393a460542cc6d877f0386e0cd3ff24cc07fc54e8328e8ddb153de62d012e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d393a460542cc6d877f0386e0cd3ff24cc07fc54e8328e8ddb153de62d012e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d393a460542cc6d877f0386e0cd3ff24cc07fc54e8328e8ddb153de62d012e79", kill_on_drop: false }`
[INFO] [stdout] d393a460542cc6d877f0386e0cd3ff24cc07fc54e8328e8ddb153de62d012e79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d5fb23fe4a46bfe4829f5b3b2063cadf767ca56c869ba79baad1adbd95ded0
[INFO] running `Command { std: "docker" "start" "-a" "c9d5fb23fe4a46bfe4829f5b3b2063cadf767ca56c869ba79baad1adbd95ded0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking volatile v0.4.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling bootloader v0.10.13
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bootloader-0.10.13/src/lib.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bootloader-0.10.13/src/lib.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | #![feature(step_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^
[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 compile `bootloader` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c9d5fb23fe4a46bfe4829f5b3b2063cadf767ca56c869ba79baad1adbd95ded0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d5fb23fe4a46bfe4829f5b3b2063cadf767ca56c869ba79baad1adbd95ded0", kill_on_drop: false }`
[INFO] [stdout] c9d5fb23fe4a46bfe4829f5b3b2063cadf767ca56c869ba79baad1adbd95ded0
