[INFO] fetching crate compact 0.2.16... [INFO] documenting compact-0.2.16 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate compact 0.2.16 into /workspace/builds/worker-57/source [INFO] validating manifest of crates.io crate compact 0.2.16 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 compact 0.2.16 [INFO] finished tweaking crates.io crate compact 0.2.16 [INFO] tweaked toml for crates.io crate compact 0.2.16 written to /workspace/builds/worker-57/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] [stderr] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded primal v0.2.3 [INFO] [stderr] Downloaded simple_allocator_trait v0.1.0 [INFO] [stderr] Downloaded primal-check v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 99e9bd454b7eb9c93c2c6f4ad865b5a157ab75650ce44db147f770ad508cdbcb [INFO] running `Command { std: "docker" "start" "-a" "99e9bd454b7eb9c93c2c6f4ad865b5a157ab75650ce44db147f770ad508cdbcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99e9bd454b7eb9c93c2c6f4ad865b5a157ab75650ce44db147f770ad508cdbcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99e9bd454b7eb9c93c2c6f4ad865b5a157ab75650ce44db147f770ad508cdbcb", kill_on_drop: false }` [INFO] [stdout] 99e9bd454b7eb9c93c2c6f4ad865b5a157ab75650ce44db147f770ad508cdbcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 89df2405ae068d5d290d81d0b76c9f57d37e50129110da20671d91b9aee328c6 [INFO] running `Command { std: "docker" "start" "-a" "89df2405ae068d5d290d81d0b76c9f57d37e50129110da20671d91b9aee328c6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Checking primal-estimate v0.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking simple_allocator_trait v0.1.0 [INFO] [stderr] Checking primal-bit v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking primal-sieve v0.2.9 [INFO] [stderr] Checking primal-check v0.2.3 [INFO] [stderr] Checking primal v0.2.3 [INFO] [stderr] Documenting compact v0.2.16 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #![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:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | #![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] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning 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 `compact` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name compact src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=64245f0794bebbf1 -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern primal=/opt/rustwide/target/debug/deps/libprimal-539ca27429993720.rmeta --extern simple_allocator_trait=/opt/rustwide/target/debug/deps/libsimple_allocator_trait-42d372b7b1fae7f1.rmeta --cap-lints=warn --crate-version 0.2.16` (exit status: 1) [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "89df2405ae068d5d290d81d0b76c9f57d37e50129110da20671d91b9aee328c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89df2405ae068d5d290d81d0b76c9f57d37e50129110da20671d91b9aee328c6", kill_on_drop: false }` [INFO] [stdout] 89df2405ae068d5d290d81d0b76c9f57d37e50129110da20671d91b9aee328c6