[INFO] fetching crate string-err 0.1.1... [INFO] documenting string-err-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate string-err 0.1.1 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate string-err 0.1.1 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 string-err 0.1.1 [INFO] finished tweaking crates.io crate string-err 0.1.1 [INFO] tweaked toml for crates.io crate string-err 0.1.1 written to /workspace/builds/worker-18/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 13b9c3fb325f4eb2d919712ed04356eece1e1252b42e3f398fa185f242761b3e [INFO] running `Command { std: "docker" "start" "-a" "13b9c3fb325f4eb2d919712ed04356eece1e1252b42e3f398fa185f242761b3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13b9c3fb325f4eb2d919712ed04356eece1e1252b42e3f398fa185f242761b3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13b9c3fb325f4eb2d919712ed04356eece1e1252b42e3f398fa185f242761b3e", kill_on_drop: false }` [INFO] [stdout] 13b9c3fb325f4eb2d919712ed04356eece1e1252b42e3f398fa185f242761b3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] f3205802db58ebe1ba91155425fe93c1ee3a37d4ecbce398bb6f30841bed8a46 [INFO] running `Command { std: "docker" "start" "-a" "f3205802db58ebe1ba91155425fe93c1ee3a37d4ecbce398bb6f30841bed8a46", kill_on_drop: false }` [INFO] [stderr] Documenting string-err v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | 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[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | / #![feature( [INFO] [stdout] 19 | | specialization, [INFO] [stdout] 20 | | backtrace, [INFO] [stdout] 21 | | debug_non_exhaustive, [INFO] [stdout] 22 | | external_doc, [INFO] [stdout] 23 | | try_trait, [INFO] [stdout] 24 | | )] [INFO] [stdout] | |__^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | specialization, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `string-err` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name string_err src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9e9dd52aad40ee7c -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.1` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "f3205802db58ebe1ba91155425fe93c1ee3a37d4ecbce398bb6f30841bed8a46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3205802db58ebe1ba91155425fe93c1ee3a37d4ecbce398bb6f30841bed8a46", kill_on_drop: false }` [INFO] [stdout] f3205802db58ebe1ba91155425fe93c1ee3a37d4ecbce398bb6f30841bed8a46