[INFO] fetching crate taildir 0.2.0... [INFO] documenting taildir-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate taildir 0.2.0 into /workspace/builds/worker-21/source [INFO] validating manifest of crates.io crate taildir 0.2.0 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 taildir 0.2.0 [INFO] finished tweaking crates.io crate taildir 0.2.0 [INFO] tweaked toml for crates.io crate taildir 0.2.0 written to /workspace/builds/worker-21/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] c11824e600f98fbdcb6b213cef7e8253f73be9772b41c4cadb83e9ac3e413ed3 [INFO] running `Command { std: "docker" "start" "-a" "c11824e600f98fbdcb6b213cef7e8253f73be9772b41c4cadb83e9ac3e413ed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c11824e600f98fbdcb6b213cef7e8253f73be9772b41c4cadb83e9ac3e413ed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c11824e600f98fbdcb6b213cef7e8253f73be9772b41c4cadb83e9ac3e413ed3", kill_on_drop: false }` [INFO] [stdout] c11824e600f98fbdcb6b213cef7e8253f73be9772b41c4cadb83e9ac3e413ed3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] c2d704ed84f173a04cb395dc707bb7347e5fef7fd462292ba1d954cd5a507110 [INFO] running `Command { std: "docker" "start" "-a" "c2d704ed84f173a04cb395dc707bb7347e5fef7fd462292ba1d954cd5a507110", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.16 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Documenting taildir v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking taildir v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:130:59 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 130 - fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] 130 + fn register_dir(dir: &str, filter: &FileFilter) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:130:59 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 130 - fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] 130 + fn register_dir(dir: &str, filter: &FileFilter) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:16:21 [INFO] [stdout] | [INFO] [stdout] 16 | type BoxError = Box; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 - type BoxError = Box; [INFO] [stdout] 16 + type BoxError = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | type FileFilter = Rc bool>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 17 - type FileFilter = Rc bool>; [INFO] [stdout] 17 + type FileFilter = Rc bool>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | type LineFilter = Rc bool>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - type LineFilter = Rc bool>; [INFO] [stdout] 18 + type LineFilter = Rc bool>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:91:83 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn watch_dir(option: &WatchOption, callback: &F) -> Result<(), Box> [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 91 - pub fn watch_dir(option: &WatchOption, callback: &F) -> Result<(), Box> [INFO] [stdout] 91 + pub fn watch_dir(option: &WatchOption, callback: &F) -> Result<(), Box> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:130:76 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 130 - fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] 130 + fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `path` [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Handle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Debug)] [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: 7 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 4.54s [INFO] running `Command { std: "docker" "inspect" "c2d704ed84f173a04cb395dc707bb7347e5fef7fd462292ba1d954cd5a507110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2d704ed84f173a04cb395dc707bb7347e5fef7fd462292ba1d954cd5a507110", kill_on_drop: false }` [INFO] [stdout] c2d704ed84f173a04cb395dc707bb7347e5fef7fd462292ba1d954cd5a507110 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] d445f33fb7169bffe9e2ed7d0454174002da9aa755c2b7406c5c3755dccf5e6f [INFO] running `Command { std: "docker" "start" "-a" "d445f33fb7169bffe9e2ed7d0454174002da9aa755c2b7406c5c3755dccf5e6f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.16 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Documenting taildir v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:130:59 [INFO] [stdout] | [INFO] [stdout] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 130 - fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box> { [INFO] [stdout] 130 + fn register_dir(dir: &str, filter: &FileFilter) -> 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 4.48s [INFO] running `Command { std: "docker" "inspect" "d445f33fb7169bffe9e2ed7d0454174002da9aa755c2b7406c5c3755dccf5e6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d445f33fb7169bffe9e2ed7d0454174002da9aa755c2b7406c5c3755dccf5e6f", kill_on_drop: false }` [INFO] [stdout] d445f33fb7169bffe9e2ed7d0454174002da9aa755c2b7406c5c3755dccf5e6f