[INFO] cloning repository https://github.com/qingzhu521/paradfs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qingzhu521/paradfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqingzhu521%2Fparadfs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqingzhu521%2Fparadfs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62bbfac221a087da219f3918303f10d391cfd9ef [INFO] documenting qingzhu521/paradfs against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqingzhu521%2Fparadfs" "/workspace/builds/worker-16/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qingzhu521/paradfs 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 git repo https://github.com/qingzhu521/paradfs [INFO] finished tweaking git repo https://github.com/qingzhu521/paradfs [INFO] tweaked toml for git repo https://github.com/qingzhu521/paradfs written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate git repo https://github.com/qingzhu521/paradfs already has a lockfile, it will not be regenerated [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 1f026ee9a15f8331f64de3dd3a9ee06ca6a32333a100364bb1c796140a2bc6a6 [INFO] running `Command { std: "docker" "start" "-a" "1f026ee9a15f8331f64de3dd3a9ee06ca6a32333a100364bb1c796140a2bc6a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f026ee9a15f8331f64de3dd3a9ee06ca6a32333a100364bb1c796140a2bc6a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f026ee9a15f8331f64de3dd3a9ee06ca6a32333a100364bb1c796140a2bc6a6", kill_on_drop: false }` [INFO] [stdout] 1f026ee9a15f8331f64de3dd3a9ee06ca6a32333a100364bb1c796140a2bc6a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 27366bc8160a2f0b72f0c9673d532eae93215295c2bbe4f6e53b49d487481d8d [INFO] running `Command { std: "docker" "start" "-a" "27366bc8160a2f0b72f0c9673d532eae93215295c2bbe4f6e53b49d487481d8d", kill_on_drop: false }` [INFO] [stderr] Documenting paradfs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking paradfs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/algorithm/dfs_parallel.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | (result) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 60 - (result) [INFO] [stdout] 60 + result [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/algorithm/dfs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/algorithm/dfs.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/algorithm/dfs_parallel.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | (result) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 60 - (result) [INFO] [stdout] 60 + result [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/algorithm/incremental_dfs.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | result: &mut Vec, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithm/incremental_dfs.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | mut graph: Graph, [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `err_msg` [INFO] [stdout] --> src/utils/load_source_text.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | err_msg: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `LoadError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/utils/load_source_text.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.02s [INFO] running `Command { std: "docker" "inspect" "27366bc8160a2f0b72f0c9673d532eae93215295c2bbe4f6e53b49d487481d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27366bc8160a2f0b72f0c9673d532eae93215295c2bbe4f6e53b49d487481d8d", kill_on_drop: false }` [INFO] [stdout] 27366bc8160a2f0b72f0c9673d532eae93215295c2bbe4f6e53b49d487481d8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 193fa378a67c98c1b5d5ca395cf67f3bcc333e699410089d451b4f4945efabeb [INFO] running `Command { std: "docker" "start" "-a" "193fa378a67c98c1b5d5ca395cf67f3bcc333e699410089d451b4f4945efabeb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Documenting paradfs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/algorithm/dfs_parallel.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | (result) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 60 - (result) [INFO] [stdout] 60 + result [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.33s [INFO] running `Command { std: "docker" "inspect" "193fa378a67c98c1b5d5ca395cf67f3bcc333e699410089d451b4f4945efabeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "193fa378a67c98c1b5d5ca395cf67f3bcc333e699410089d451b4f4945efabeb", kill_on_drop: false }` [INFO] [stdout] 193fa378a67c98c1b5d5ca395cf67f3bcc333e699410089d451b4f4945efabeb