[INFO] fetching crate fstrings 0.2.4-rc2... [INFO] documenting fstrings-0.2.4-rc2 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate fstrings 0.2.4-rc2 into /workspace/builds/worker-34/source [INFO] validating manifest of crates.io crate fstrings 0.2.4-rc2 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 fstrings 0.2.4-rc2 [INFO] finished tweaking crates.io crate fstrings 0.2.4-rc2 [INFO] tweaked toml for crates.io crate fstrings 0.2.4-rc2 written to /workspace/builds/worker-34/source/Cargo.toml [INFO] crate crates.io crate fstrings 0.2.4-rc2 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.69 [INFO] [stderr] Downloaded fstrings-proc-macro v0.2.4-rc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 4af8eb975bf1224a93eae8139db2512068fe3c5b4adddda3d1e9eb7967e141db [INFO] running `Command { std: "docker" "start" "-a" "4af8eb975bf1224a93eae8139db2512068fe3c5b4adddda3d1e9eb7967e141db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4af8eb975bf1224a93eae8139db2512068fe3c5b4adddda3d1e9eb7967e141db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4af8eb975bf1224a93eae8139db2512068fe3c5b4adddda3d1e9eb7967e141db", kill_on_drop: false }` [INFO] [stdout] 4af8eb975bf1224a93eae8139db2512068fe3c5b4adddda3d1e9eb7967e141db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] [stdout] d7365946687c18c47e1ecfa3eae30bfa7d39d4fc2bf3bc217e9cdf112e76f5a1 [INFO] running `Command { std: "docker" "start" "-a" "d7365946687c18c47e1ecfa3eae30bfa7d39d4fc2bf3bc217e9cdf112e76f5a1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling fstrings-proc-macro v0.2.4-rc2 [INFO] [stderr] Documenting fstrings v0.2.4-rc2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.21s [INFO] running `Command { std: "docker" "inspect" "d7365946687c18c47e1ecfa3eae30bfa7d39d4fc2bf3bc217e9cdf112e76f5a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7365946687c18c47e1ecfa3eae30bfa7d39d4fc2bf3bc217e9cdf112e76f5a1", kill_on_drop: false }` [INFO] [stdout] d7365946687c18c47e1ecfa3eae30bfa7d39d4fc2bf3bc217e9cdf112e76f5a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "nightly" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 77b678ee6069f5a58b7421bb72f059407f382f132dd0ba3c63989f53ec2db766 [INFO] running `Command { std: "docker" "start" "-a" "77b678ee6069f5a58b7421bb72f059407f382f132dd0ba3c63989f53ec2db766", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling fstrings-proc-macro v0.2.4-rc2 [INFO] [stderr] Documenting fstrings v0.2.4-rc2 (/opt/rustwide/workdir) [INFO] [stderr] error: could not document `fstrings` [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] [stderr] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Caused by: [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name fstrings src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="nightly"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=95f20b549ef5e7fc -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro=/opt/rustwide/target/debug/deps/libfstrings_proc_macro-3adb830c2d7908e8.so --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-a9cd417d5363f124.so --extern-html-root-url 'fstrings_proc_macro=https://docs.rs/fstrings-proc-macro/0.2.4-rc2/' --extern-html-root-url 'proc_macro_hack=https://docs.rs/proc-macro-hack/0.5.19/' -Zunstable-options --crate-version 0.2.4-rc2` (exit status: 1) [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "77b678ee6069f5a58b7421bb72f059407f382f132dd0ba3c63989f53ec2db766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77b678ee6069f5a58b7421bb72f059407f382f132dd0ba3c63989f53ec2db766", kill_on_drop: false }` [INFO] [stdout] 77b678ee6069f5a58b7421bb72f059407f382f132dd0ba3c63989f53ec2db766