[INFO] cloning repository https://github.com/rory/osm-longest-place-boundary-includes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rory/osm-longest-place-boundary-includes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frory%2Fosm-longest-place-boundary-includes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frory%2Fosm-longest-place-boundary-includes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e4e443c467225cbbfe3d48a1142356a79ac2abe
[INFO] documenting rory/osm-longest-place-boundary-includes 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%2Frory%2Fosm-longest-place-boundary-includes" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rory/osm-longest-place-boundary-includes 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 git repo https://github.com/rory/osm-longest-place-boundary-includes
[INFO] finished tweaking git repo https://github.com/rory/osm-longest-place-boundary-includes
[INFO] tweaked toml for git repo https://github.com/rory/osm-longest-place-boundary-includes written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rory/osm-longest-place-boundary-includes already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 01b56e2f9034b17b510b5e3b2c38f159962e144d27dc43ab201beebff3b5fe28
[INFO] running `Command { std: "docker" "start" "-a" "01b56e2f9034b17b510b5e3b2c38f159962e144d27dc43ab201beebff3b5fe28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01b56e2f9034b17b510b5e3b2c38f159962e144d27dc43ab201beebff3b5fe28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b56e2f9034b17b510b5e3b2c38f159962e144d27dc43ab201beebff3b5fe28", kill_on_drop: false }`
[INFO] [stdout] 01b56e2f9034b17b510b5e3b2c38f159962e144d27dc43ab201beebff3b5fe28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a517b44bd5ca1324cae3e317720f7a252bae294ce2642bfdd65a6b1e2fb02b2c
[INFO] running `Command { std: "docker" "start" "-a" "a517b44bd5ca1324cae3e317720f7a252bae294ce2642bfdd65a6b1e2fb02b2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]  Documenting x-in-y v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(map_first_last)]
[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 document `x-in-y`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name x_in_y src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=33234b620e66adcf -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-6808c641dae77bd3.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-542e38cfe7cd0af0.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-5c079c0d587a621f.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-e995b20f5260fe27.rmeta --extern separator=/opt/rustwide/target/debug/deps/libseparator-452b2d63f6266130.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-285f15182d2f253d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a517b44bd5ca1324cae3e317720f7a252bae294ce2642bfdd65a6b1e2fb02b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a517b44bd5ca1324cae3e317720f7a252bae294ce2642bfdd65a6b1e2fb02b2c", kill_on_drop: false }`
[INFO] [stdout] a517b44bd5ca1324cae3e317720f7a252bae294ce2642bfdd65a6b1e2fb02b2c