[INFO] fetching crate inheritance 0.0.1-alpha.2...
[INFO] documenting inheritance-0.0.1-alpha.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate inheritance 0.0.1-alpha.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate inheritance 0.0.1-alpha.2 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] started tweaking crates.io crate inheritance 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate inheritance 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate inheritance 0.0.1-alpha.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate inheritance 0.0.1-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inheritance-proc-macro v0.0.1-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a2b03e02fd5917b335ffb8de87f672a887fb9a7e11f24a05d0f8aa24756df4c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2b03e02fd5917b335ffb8de87f672a887fb9a7e11f24a05d0f8aa24756df4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b03e02fd5917b335ffb8de87f672a887fb9a7e11f24a05d0f8aa24756df4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b03e02fd5917b335ffb8de87f672a887fb9a7e11f24a05d0f8aa24756df4c5", kill_on_drop: false }`
[INFO] [stdout] a2b03e02fd5917b335ffb8de87f672a887fb9a7e11f24a05d0f8aa24756df4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90a5f0d6314be2b698aa78ac25df8a2702f1b75eb70b61f46c715082cdf82f51
[INFO] running `Command { std: "docker" "start" "-a" "90a5f0d6314be2b698aa78ac25df8a2702f1b75eb70b61f46c715082cdf82f51", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling fstrings-proc-macro v0.1.4
[INFO] [stderr]    Compiling fstrings v0.1.4
[INFO] [stderr]    Compiling inheritance-proc-macro v0.0.1-alpha.2
[INFO] [stderr]  Documenting inheritance v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.57s
[INFO] running `Command { std: "docker" "inspect" "90a5f0d6314be2b698aa78ac25df8a2702f1b75eb70b61f46c715082cdf82f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a5f0d6314be2b698aa78ac25df8a2702f1b75eb70b61f46c715082cdf82f51", kill_on_drop: false }`
[INFO] [stdout] 90a5f0d6314be2b698aa78ac25df8a2702f1b75eb70b61f46c715082cdf82f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "external_doc" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 69197a6cc9740e406a6bb4ecea2ba74406e0e230cc0de0ce1d78403412fb8200
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "69197a6cc9740e406a6bb4ecea2ba74406e0e230cc0de0ce1d78403412fb8200", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling fstrings-proc-macro v0.1.4
[INFO] [stderr]    Compiling fstrings v0.1.4
[INFO] [stderr]    Compiling inheritance-proc-macro v0.0.1-alpha.2
[INFO] [stderr]  Documenting inheritance v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     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] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `inheritance`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name inheritance src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="external_doc"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=576b554b45b501c7 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro=/opt/rustwide/target/debug/deps/libinheritance_proc_macro-8b9ff540c286e8cb.so --extern-html-root-url 'inheritance_proc_macro=https://docs.rs/inheritance-proc-macro/0.0.1-alpha.2/' -Zunstable-options --crate-version 0.0.1-alpha.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "69197a6cc9740e406a6bb4ecea2ba74406e0e230cc0de0ce1d78403412fb8200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69197a6cc9740e406a6bb4ecea2ba74406e0e230cc0de0ce1d78403412fb8200", kill_on_drop: false }`
[INFO] [stdout] 69197a6cc9740e406a6bb4ecea2ba74406e0e230cc0de0ce1d78403412fb8200