[INFO] cloning repository https://github.com/SCJangra/files
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SCJangra/files" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCJangra%2Ffiles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCJangra%2Ffiles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5638b7aff566ae72c0cd00d3a01cba307a1e5408
[INFO] documenting SCJangra/files against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCJangra%2Ffiles" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SCJangra/files 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] removed /workspace/builds/worker-25/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/SCJangra/files
[INFO] finished tweaking git repo https://github.com/SCJangra/files
[INFO] tweaked toml for git repo https://github.com/SCJangra/files written to /workspace/builds/worker-25/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] 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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] a22049a54355140de7ad74bcdd8cd886e13ceb077f409b5ce513a775ab68ec6e
[INFO] running `Command { std: "docker" "start" "-a" "a22049a54355140de7ad74bcdd8cd886e13ceb077f409b5ce513a775ab68ec6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a22049a54355140de7ad74bcdd8cd886e13ceb077f409b5ce513a775ab68ec6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22049a54355140de7ad74bcdd8cd886e13ceb077f409b5ce513a775ab68ec6e", kill_on_drop: false }`
[INFO] [stdout] a22049a54355140de7ad74bcdd8cd886e13ceb077f409b5ce513a775ab68ec6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 336859f3a6e4947388392efbc8e6bfe6d851e59d455d04e155a51dd9f2b0ab22
[INFO] running `Command { std: "docker" "start" "-a" "336859f3a6e4947388392efbc8e6bfe6d851e59d455d04e155a51dd9f2b0ab22", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking unwrap_or v1.0.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking tree_magic_mini v3.0.3
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling futures-async-stream-macro v0.2.5
[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-async-stream-macro-0.2.5/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(proc_macro_def_site)]
[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-async-stream-macro` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "336859f3a6e4947388392efbc8e6bfe6d851e59d455d04e155a51dd9f2b0ab22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336859f3a6e4947388392efbc8e6bfe6d851e59d455d04e155a51dd9f2b0ab22", kill_on_drop: false }`
[INFO] [stdout] 336859f3a6e4947388392efbc8e6bfe6d851e59d455d04e155a51dd9f2b0ab22