[INFO] fetching crate crypto-literal-macro 0.1.1...
[INFO] documenting crypto-literal-macro-0.1.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate crypto-literal-macro 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crypto-literal-macro 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crypto-literal-macro 0.1.1
[INFO] finished tweaking crates.io crate crypto-literal-macro 0.1.1
[INFO] tweaked toml for crates.io crate crypto-literal-macro 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-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" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b24a918a78827e247d3f786262f3d2dbaec7a4b7c281c3ee5c9024def922a539
[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" "b24a918a78827e247d3f786262f3d2dbaec7a4b7c281c3ee5c9024def922a539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b24a918a78827e247d3f786262f3d2dbaec7a4b7c281c3ee5c9024def922a539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24a918a78827e247d3f786262f3d2dbaec7a4b7c281c3ee5c9024def922a539", kill_on_drop: false }`
[INFO] [stdout] b24a918a78827e247d3f786262f3d2dbaec7a4b7c281c3ee5c9024def922a539
[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" "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" "+1.47.0" "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] fb99f27d0e149f672579947b948fd73367b86b1d459fb3fe6052fa52d4b2dde3
[INFO] running `Command { std: "docker" "start" "-a" "fb99f27d0e149f672579947b948fd73367b86b1d459fb3fe6052fa52d4b2dde3", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ofb v0.1.1
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking crypto-literal-algorithm v0.1.1
[INFO] [stderr]  Documenting crypto-literal-macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_type_name)]
[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 `crypto-literal-macro`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name crypto_literal_macro 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-e8218b22857a1d1d.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-665ac4d4997337b8.rmeta --extern crypto_literal_algorithm=/opt/rustwide/target/debug/deps/libcrypto_literal_algorithm-b97a9bcf4b47dd71.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-ebafd9c0a8bfa826.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-72923b2d9aa06af7.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-53f2a7d91ebafebf.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f6866910b897f04b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8909b0eaeeebeb50.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-8325a45647c48e9b.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-207ce5050c1208ec.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "fb99f27d0e149f672579947b948fd73367b86b1d459fb3fe6052fa52d4b2dde3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb99f27d0e149f672579947b948fd73367b86b1d459fb3fe6052fa52d4b2dde3", kill_on_drop: false }`
[INFO] [stdout] fb99f27d0e149f672579947b948fd73367b86b1d459fb3fe6052fa52d4b2dde3
