[INFO] fetching crate ruby-parser 0.0.0-dev1... [INFO] documenting ruby-parser-0.0.0-dev1 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate ruby-parser 0.0.0-dev1 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate ruby-parser 0.0.0-dev1 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 ruby-parser 0.0.0-dev1 [INFO] finished tweaking crates.io crate ruby-parser 0.0.0-dev1 [INFO] tweaked toml for crates.io crate ruby-parser 0.0.0-dev1 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] defb9beb16a6e4c27373cee8dc9362c4d4a3d5062058048fe5ca3deef8689700 [INFO] running `Command { std: "docker" "start" "-a" "defb9beb16a6e4c27373cee8dc9362c4d4a3d5062058048fe5ca3deef8689700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "defb9beb16a6e4c27373cee8dc9362c4d4a3d5062058048fe5ca3deef8689700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "defb9beb16a6e4c27373cee8dc9362c4d4a3d5062058048fe5ca3deef8689700", kill_on_drop: false }` [INFO] [stdout] defb9beb16a6e4c27373cee8dc9362c4d4a3d5062058048fe5ca3deef8689700 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8d1e943a80f623a387a5a0b47613df19503e6eb8d34646291ec9aae352f25e5c [INFO] running `Command { std: "docker" "start" "-a" "8d1e943a80f623a387a5a0b47613df19503e6eb8d34646291ec9aae352f25e5c", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking codemap v0.1.3 [INFO] [stderr] Checking bitvec v0.19.6 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Documenting ruby-parser v0.0.0-dev1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0053]: method `slice_index` has an incompatible type for trait [INFO] [stdout] --> src/structs/tracked_location.rs:235:44 [INFO] [stdout] | [INFO] [stdout] 235 | fn slice_index(&self, count: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `std::result::Result`, found enum `std::option::Option` [INFO] [stdout] | help: change the output type to match the trait: `std::result::Result` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&structs::tracked_location::TrackedLocation<&'a str, X>, _) -> std::result::Result` [INFO] [stdout] found fn pointer `fn(&structs::tracked_location::TrackedLocation<&'a str, X>, _) -> std::option::Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not document `ruby-parser` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ruby_parser src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=14630fff8b451db0 -L dependency=/opt/rustwide/target/debug/deps --extern codemap=/opt/rustwide/target/debug/deps/libcodemap-f99e40d464121377.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e3e34c9cfb07218e.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-63ed5e3272f619c1.rmeta --cap-lints=warn --crate-version 0.0.0-dev1` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "8d1e943a80f623a387a5a0b47613df19503e6eb8d34646291ec9aae352f25e5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d1e943a80f623a387a5a0b47613df19503e6eb8d34646291ec9aae352f25e5c", kill_on_drop: false }` [INFO] [stdout] 8d1e943a80f623a387a5a0b47613df19503e6eb8d34646291ec9aae352f25e5c