[INFO] fetching crate incrust 0.2.15... [INFO] documenting incrust-0.2.15 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate incrust 0.2.15 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate incrust 0.2.15 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 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-13/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] Downloading crates ... [INFO] [stderr] Downloaded marksman_escape v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c8b1ca38209750f9bbcabe0710854a8059910228e39b690f6f172ea956fbf8da [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" "c8b1ca38209750f9bbcabe0710854a8059910228e39b690f6f172ea956fbf8da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8b1ca38209750f9bbcabe0710854a8059910228e39b690f6f172ea956fbf8da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8b1ca38209750f9bbcabe0710854a8059910228e39b690f6f172ea956fbf8da", kill_on_drop: false }` [INFO] [stdout] c8b1ca38209750f9bbcabe0710854a8059910228e39b690f6f172ea956fbf8da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2ddc50fbf8051a0e03d8d8d196b8678dd0f950884ce52b032766e9b5e993c880 [INFO] running `Command { std: "docker" "start" "-a" "2ddc50fbf8051a0e03d8d8d196b8678dd0f950884ce52b032766e9b5e993c880", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking marksman_escape v0.1.2 [INFO] [stderr] Checking maplit v0.1.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Documenting incrust v0.2.15 (/opt/rustwide/workdir) [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(associated_type_defaults)] [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:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(box_syntax)] [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:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #![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: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] = help: consider using `min_specialization` instead, which is more stable and complete [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 57 - fn finish(begin: ExprStatement, inner: ParsedNodes, end: SimpleStatement) -> Option<(ParsedForStatement)> { [INFO] [stdout] 57 + fn finish(begin: ExprStatement, inner: ParsedNodes, end: SimpleStatement) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [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,artifacts,future-incompat --document-private-items -C metadata=a29e3f4bea49fa3d -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-53ace35329ab3d63.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-53373981f0669cc9.rmeta --extern marksman_escape=/opt/rustwide/target/debug/deps/libmarksman_escape-baded212efaa7822.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-2b824b5139a475b8.rmeta --cap-lints=warn --crate-version 0.2.15` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "2ddc50fbf8051a0e03d8d8d196b8678dd0f950884ce52b032766e9b5e993c880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ddc50fbf8051a0e03d8d8d196b8678dd0f950884ce52b032766e9b5e993c880", kill_on_drop: false }` [INFO] [stdout] 2ddc50fbf8051a0e03d8d8d196b8678dd0f950884ce52b032766e9b5e993c880