[INFO] fetching crate lark-debug-with 0.1.0... [INFO] documenting lark-debug-with-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate lark-debug-with 0.1.0 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate lark-debug-with 0.1.0 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 lark-debug-with 0.1.0 [INFO] finished tweaking crates.io crate lark-debug-with 0.1.0 [INFO] tweaked toml for crates.io crate lark-debug-with 0.1.0 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] [stderr] Blocking waiting for file lock on package cache [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] 5c13a2747127901f40279bce6defa9db17a46feae28c30206a0d5f424b816b2e [INFO] running `Command { std: "docker" "start" "-a" "5c13a2747127901f40279bce6defa9db17a46feae28c30206a0d5f424b816b2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c13a2747127901f40279bce6defa9db17a46feae28c30206a0d5f424b816b2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c13a2747127901f40279bce6defa9db17a46feae28c30206a0d5f424b816b2e", kill_on_drop: false }` [INFO] [stdout] 5c13a2747127901f40279bce6defa9db17a46feae28c30206a0d5f424b816b2e [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] 3224ccbd630e5d3243298af7e36a64fee8b35f8af802d20714b3bceec75a95d3 [INFO] running `Command { std: "docker" "start" "-a" "3224ccbd630e5d3243298af7e36a64fee8b35f8af802d20714b3bceec75a95d3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Documenting lark-debug-with v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(in_band_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(box_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(in_band_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(specialization)] [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:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(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 6 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 `lark-debug-with` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name lark_debug_with src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=66313946238b573d -L dependency=/opt/rustwide/target/debug/deps --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-33ef8bea342ba240.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "3224ccbd630e5d3243298af7e36a64fee8b35f8af802d20714b3bceec75a95d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3224ccbd630e5d3243298af7e36a64fee8b35f8af802d20714b3bceec75a95d3", kill_on_drop: false }` [INFO] [stdout] 3224ccbd630e5d3243298af7e36a64fee8b35f8af802d20714b3bceec75a95d3