[INFO] fetching crate absolution 0.1.1...
[INFO] documenting absolution-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate absolution 0.1.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate absolution 0.1.1 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 absolution 0.1.1
[INFO] finished tweaking crates.io crate absolution 0.1.1
[INFO] tweaked toml for crates.io crate absolution 0.1.1 written to /workspace/builds/worker-78/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 349d467e1950f64698ce9bb55a98d1e9d5fbc2b85936fa03e81e4171e210185b
[INFO] running `Command { std: "docker" "start" "-a" "349d467e1950f64698ce9bb55a98d1e9d5fbc2b85936fa03e81e4171e210185b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "349d467e1950f64698ce9bb55a98d1e9d5fbc2b85936fa03e81e4171e210185b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349d467e1950f64698ce9bb55a98d1e9d5fbc2b85936fa03e81e4171e210185b", kill_on_drop: false }`
[INFO] [stdout] 349d467e1950f64698ce9bb55a98d1e9d5fbc2b85936fa03e81e4171e210185b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 861ad92db1e214f349c6ea36633cc25c39491e3495c4e5037722aaca1d4422f6
[INFO] running `Command { std: "docker" "start" "-a" "861ad92db1e214f349c6ea36633cc25c39491e3495c4e5037722aaca1d4422f6", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking proc-macro2 v1.0.39
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting absolution v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "861ad92db1e214f349c6ea36633cc25c39491e3495c4e5037722aaca1d4422f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861ad92db1e214f349c6ea36633cc25c39491e3495c4e5037722aaca1d4422f6", kill_on_drop: false }`
[INFO] [stdout] 861ad92db1e214f349c6ea36633cc25c39491e3495c4e5037722aaca1d4422f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "nightly-doc" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 8a51605969ef531d9f5ddc624ea5f111559dcb87d1517e5ce5d1fc21f364eadf
[INFO] running `Command { std: "docker" "start" "-a" "8a51605969ef531d9f5ddc624ea5f111559dcb87d1517e5ce5d1fc21f364eadf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting absolution v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly-doc", feature(external_doc))]
[INFO] [stdout]   |                                              ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `absolution`
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name absolution src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="nightly-doc"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=26f27445bf1c588b -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-412f8ac4638e7e9b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c3252a44ced4e42f.rmeta --extern-html-root-url 'proc_macro2=https://docs.rs/proc-macro2/1.0.39/' --extern-html-root-url 'quote=https://docs.rs/quote/1.0.18/' -Zunstable-options --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8a51605969ef531d9f5ddc624ea5f111559dcb87d1517e5ce5d1fc21f364eadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a51605969ef531d9f5ddc624ea5f111559dcb87d1517e5ce5d1fc21f364eadf", kill_on_drop: false }`
[INFO] [stdout] 8a51605969ef531d9f5ddc624ea5f111559dcb87d1517e5ce5d1fc21f364eadf