[INFO] crate incrust 0.2.15 is already in cache [INFO] documenting incrust-0.2.15 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566 [INFO] extracting crate incrust 0.2.15 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate incrust 0.2.15 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate incrust 0.2.15 [INFO] finished tweaking crates.io crate incrust 0.2.15 [INFO] tweaked toml for crates.io crate incrust 0.2.15 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2365d7c98ef0fc244a56b34247fe3fec7f057854244d6326eea13fb4f475af70 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2365d7c98ef0fc244a56b34247fe3fec7f057854244d6326eea13fb4f475af70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2365d7c98ef0fc244a56b34247fe3fec7f057854244d6326eea13fb4f475af70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2365d7c98ef0fc244a56b34247fe3fec7f057854244d6326eea13fb4f475af70", kill_on_drop: false }` [INFO] [stdout] 2365d7c98ef0fc244a56b34247fe3fec7f057854244d6326eea13fb4f475af70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 827518201e776cfd0b541a54768f86567ba236fe983f2a93b01e9eea76a535bf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "827518201e776cfd0b541a54768f86567ba236fe983f2a93b01e9eea76a535bf", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking marksman_escape v0.1.2 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking maplit v0.1.6 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Documenting incrust v0.2.15 (/opt/rustwide/workdir) [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:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | #![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] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/parser/statements.rs:57:89 [INFO] [stdout] | [INFO] [stdout] 57 | fn finish(begin: ExprStatement, inner: ParsedNodes, end: SimpleStatement) -> Option<(ParsedForStatement)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0520]: `is_string` specializes an item from a parent `impl`, but that item is not marked `default` [INFO] [stdout] --> src/types/string.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | / fn is_string(&self) -> bool { [INFO] [stdout] 25 | | true [INFO] [stdout] 26 | | } [INFO] [stdout] | |_____^ cannot specialize default item `is_string` [INFO] [stdout] | [INFO] [stdout] ::: src/types/defaults.rs:44:1 [INFO] [stdout] | [INFO] [stdout] 44 | / impl <'r, T> AsString for T where T: for <'t> Type<'t> + 'r + Display { [INFO] [stdout] 45 | | default fn try_as_string(&self) -> Option> { [INFO] [stdout] 46 | | Some(Cow::Owned(ToString::to_string(self))) [INFO] [stdout] 47 | | } [INFO] [stdout] 48 | | } [INFO] [stdout] | |_- parent `impl` is here [INFO] [stdout] | [INFO] [stdout] = note: to specialize, `is_string` in the parent `impl` must be marked `default` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0520`. [INFO] [stdout] [INFO] [stderr] error: Could not document `incrust`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name incrust src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-e04bd98e4312a1ab.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-8807ad5878f6fcce.rmeta --extern marksman_escape=/opt/rustwide/target/debug/deps/libmarksman_escape-7ac23f86401ff105.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-8258e7318729d33e.rmeta --cap-lints=forbid` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "827518201e776cfd0b541a54768f86567ba236fe983f2a93b01e9eea76a535bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "827518201e776cfd0b541a54768f86567ba236fe983f2a93b01e9eea76a535bf", kill_on_drop: false }` [INFO] [stdout] 827518201e776cfd0b541a54768f86567ba236fe983f2a93b01e9eea76a535bf