[INFO] fetching crate ads1x15 0.5.0...
[INFO] documenting ads1x15-0.5.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ads1x15 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ads1x15 0.5.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking crates.io crate ads1x15 0.5.0
[INFO] finished tweaking crates.io crate ads1x15 0.5.0
[INFO] tweaked toml for crates.io crate ads1x15 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded futures-await v0.1.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded qutex v0.2.3
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded futures-await-async-macro v0.1.4
[INFO] [stderr]   Downloaded bitfield-register v0.2.1
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded bitfield-register-macro v0.2.1
[INFO] [stderr]   Downloaded futures-await-await-macro v0.1.1
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4ec055b01efa34ea9b1cdf580f95e92542daaa7541ddd035f79eaeeedd641f2
[INFO] running `Command { std: "docker" "start" "-a" "f4ec055b01efa34ea9b1cdf580f95e92542daaa7541ddd035f79eaeeedd641f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ec055b01efa34ea9b1cdf580f95e92542daaa7541ddd035f79eaeeedd641f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ec055b01efa34ea9b1cdf580f95e92542daaa7541ddd035f79eaeeedd641f2", kill_on_drop: false }`
[INFO] [stdout] f4ec055b01efa34ea9b1cdf580f95e92542daaa7541ddd035f79eaeeedd641f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8db6f245916e8a355a5508809132a4242c0c2ddabd3e2f6675c5cb971f18a4db
[INFO] running `Command { std: "docker" "start" "-a" "8db6f245916e8a355a5508809132a4242c0c2ddabd3e2f6675c5cb971f18a4db", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-await-await-macro v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling bitfield-register-macro v0.2.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stdout] error[E0774]: `derive` may only be applied to `struct`s, `enum`s and `union`s
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitfield-register-macro-0.2.1/src/lib.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 |     #[derive(Debug)]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ not applicable here
[INFO] [stdout] 338 |     let mut bitfields: Vec<BitField> = vec![];
[INFO] [stdout]     |     ------------------------------------------ not a `struct`, `enum` or `union`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-executor v0.1.10
[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/bitfield-register-macro-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitfield-register-macro` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0554, E0774.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8db6f245916e8a355a5508809132a4242c0c2ddabd3e2f6675c5cb971f18a4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db6f245916e8a355a5508809132a4242c0c2ddabd3e2f6675c5cb971f18a4db", kill_on_drop: false }`
[INFO] [stdout] 8db6f245916e8a355a5508809132a4242c0c2ddabd3e2f6675c5cb971f18a4db