[INFO] fetching crate drone-fatfs-sd 0.2.3...
[INFO] documenting drone-fatfs-sd-0.2.3 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate drone-fatfs-sd 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate drone-fatfs-sd 0.2.3 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] started tweaking crates.io crate drone-fatfs-sd 0.2.3
[INFO] finished tweaking crates.io crate drone-fatfs-sd 0.2.3
[INFO] tweaked toml for crates.io crate drone-fatfs-sd 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-preview v0.2.2
[INFO] [stderr]   Downloaded futures-channel-preview v0.2.2
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded futures-async-runtime-preview v0.2.3
[INFO] [stderr]   Downloaded futures-io-preview v0.2.2
[INFO] [stderr]   Downloaded futures-executor-preview v0.2.2
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded drone-core v0.8.3
[INFO] [stderr]   Downloaded drone-core-macros v0.8.3
[INFO] [stderr]   Downloaded drone-ctypes v0.8.3
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded drone-fatfs v0.2.3
[INFO] [stderr]   Downloaded drone-macros-core v0.8.3
[INFO] [stderr]   Downloaded futures-sink-preview v0.2.2
[INFO] [stderr]   Downloaded futures-util-preview v0.2.2
[INFO] [stderr]   Downloaded futures-core-preview v0.2.3
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded futures-stable-preview v0.2.3
[INFO] [stderr]   Downloaded drone-sd-core v0.2.2
[INFO] [stderr]   Downloaded drone-fatfs-raw v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5fa090b1800e2ae5decc2226e67767ab53233ba5903e546372e6a4a308f7e0d1
[INFO] running `Command { std: "docker" "start" "-a" "5fa090b1800e2ae5decc2226e67767ab53233ba5903e546372e6a4a308f7e0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa090b1800e2ae5decc2226e67767ab53233ba5903e546372e6a4a308f7e0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa090b1800e2ae5decc2226e67767ab53233ba5903e546372e6a4a308f7e0d1", kill_on_drop: false }`
[INFO] [stdout] 5fa090b1800e2ae5decc2226e67767ab53233ba5903e546372e6a4a308f7e0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3e4b281f110d9a62cf1be437f28c6efdeb63cf2fb417e9b9d9cbdb7b7380689e
[INFO] running `Command { std: "docker" "start" "-a" "3e4b281f110d9a62cf1be437f28c6efdeb63cf2fb417e9b9d9cbdb7b7380689e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking futures-executor-preview v0.2.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]     Checking futures-stable-preview v0.2.3
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking futures-async-runtime-preview v0.2.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking drone-ctypes v0.8.3
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]     Checking futures-preview v0.2.2
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling drone-macros-core v0.8.3
[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/drone-macros-core-0.8.3/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(proc_macro_diagnostic)]
[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 `drone-macros-core` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3e4b281f110d9a62cf1be437f28c6efdeb63cf2fb417e9b9d9cbdb7b7380689e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4b281f110d9a62cf1be437f28c6efdeb63cf2fb417e9b9d9cbdb7b7380689e", kill_on_drop: false }`
[INFO] [stdout] 3e4b281f110d9a62cf1be437f28c6efdeb63cf2fb417e9b9d9cbdb7b7380689e
