[INFO] fetching crate dirmod-docsrs-test 0.1.3...
[INFO] documenting dirmod-docsrs-test-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate dirmod-docsrs-test 0.1.3 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate dirmod-docsrs-test 0.1.3 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dirmod-docsrs-test 0.1.3
[INFO] finished tweaking crates.io crate dirmod-docsrs-test 0.1.3
[INFO] tweaked toml for crates.io crate dirmod-docsrs-test 0.1.3 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad78b1a0cd5b6719fa33f83ce99139d2283900bdaf4418b3a1dfba050d63b36e
[INFO] running `Command { std: "docker" "start" "-a" "ad78b1a0cd5b6719fa33f83ce99139d2283900bdaf4418b3a1dfba050d63b36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad78b1a0cd5b6719fa33f83ce99139d2283900bdaf4418b3a1dfba050d63b36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad78b1a0cd5b6719fa33f83ce99139d2283900bdaf4418b3a1dfba050d63b36e", kill_on_drop: false }`
[INFO] [stdout] ad78b1a0cd5b6719fa33f83ce99139d2283900bdaf4418b3a1dfba050d63b36e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d8ed1c039aff82610be37c174b7b9d900e8cc8cc24cbf1c59d942c0b46246e2
[INFO] running `Command { std: "docker" "start" "-a" "0d8ed1c039aff82610be37c174b7b9d900e8cc8cc24cbf1c59d942c0b46246e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling dirmod-codegen v0.1.4
[INFO] [stderr] error: could not compile `dirmod-codegen` due to 2 previous errors
[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/dirmod-codegen-0.1.4/src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(proc_macro_span)]
[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] running `Command { std: "docker" "inspect" "0d8ed1c039aff82610be37c174b7b9d900e8cc8cc24cbf1c59d942c0b46246e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8ed1c039aff82610be37c174b7b9d900e8cc8cc24cbf1c59d942c0b46246e2", kill_on_drop: false }`
[INFO] [stdout] 0d8ed1c039aff82610be37c174b7b9d900e8cc8cc24cbf1c59d942c0b46246e2