[INFO] fetching crate hp-log 0.3.1... [INFO] documenting hp-log-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate hp-log 0.3.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate hp-log 0.3.1 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate hp-log 0.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate hp-log 0.3.1 [INFO] tweaked toml for crates.io crate hp-log 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate hp-log 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strfmt v0.1.6 [INFO] [stderr] Downloaded serde v1.0.94 [INFO] [stderr] Downloaded serde_derive v1.0.94 [INFO] [stderr] Downloaded syn v0.15.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 9d5b6131f7946f39eeea6bc2e7cec28ed55d6c3d6553e2a07dcbabaaea91f73c [INFO] running `Command { std: "docker" "start" "-a" "9d5b6131f7946f39eeea6bc2e7cec28ed55d6c3d6553e2a07dcbabaaea91f73c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d5b6131f7946f39eeea6bc2e7cec28ed55d6c3d6553e2a07dcbabaaea91f73c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d5b6131f7946f39eeea6bc2e7cec28ed55d6c3d6553e2a07dcbabaaea91f73c", kill_on_drop: false }` [INFO] [stdout] 9d5b6131f7946f39eeea6bc2e7cec28ed55d6c3d6553e2a07dcbabaaea91f73c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 5578f0475dc2d03b04c8927c7e500039fc808841ae376dbaecf3e329d02e5596 [INFO] running `Command { std: "docker" "start" "-a" "5578f0475dc2d03b04c8927c7e500039fc808841ae376dbaecf3e329d02e5596", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Checking strfmt v0.1.6 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Documenting hp-log v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:2 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(rustc_private)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: Could not document `hp-log`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name hp_log src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-f7dbd11a2149f3ea.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-a2688d9a20dc3fa5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a4fd965b04670460.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-4fc7d8d55689035c.so --extern strfmt=/opt/rustwide/target/debug/deps/libstrfmt-303e937ce2a2dfa0.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-8f6d84fb4cffffe9.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-c8fc24a18d01fa82.rmeta --cap-lints=warn --crate-version 0.3.1` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "5578f0475dc2d03b04c8927c7e500039fc808841ae376dbaecf3e329d02e5596", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5578f0475dc2d03b04c8927c7e500039fc808841ae376dbaecf3e329d02e5596", kill_on_drop: false }` [INFO] [stdout] 5578f0475dc2d03b04c8927c7e500039fc808841ae376dbaecf3e329d02e5596