[INFO] fetching crate crypto-literal-macro 0.1.1...
[INFO] documenting crypto-literal-macro-0.1.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate crypto-literal-macro 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crypto-literal-macro 0.1.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "+1.46.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e986996b454c3cbc7fc7800a25fbd4c4bbc0a1b2462fc27b66bf139c5ec5546
[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" "2e986996b454c3cbc7fc7800a25fbd4c4bbc0a1b2462fc27b66bf139c5ec5546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e986996b454c3cbc7fc7800a25fbd4c4bbc0a1b2462fc27b66bf139c5ec5546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e986996b454c3cbc7fc7800a25fbd4c4bbc0a1b2462fc27b66bf139c5ec5546", kill_on_drop: false }`
[INFO] [stdout] 2e986996b454c3cbc7fc7800a25fbd4c4bbc0a1b2462fc27b66bf139c5ec5546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ba843180eddd5a75284b1919504f63fc71c8d0ed95148766f70773bfa01c51
[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" "08ba843180eddd5a75284b1919504f63fc71c8d0ed95148766f70773bfa01c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ofb v0.1.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking crypto-literal-algorithm v0.1.1
[INFO] [stderr]     Checking quote v1.0.7
[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-43a48fd651ba2367.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-e3f65e822bed0bb8.rmeta --extern crypto_literal_algorithm=/opt/rustwide/target/debug/deps/libcrypto_literal_algorithm-3c2f0c7320cd4f68.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-a0cb55234ab22ab2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-17be1714580826fd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa48b02cc1582459.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d97dfd4fcccce7fb.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-c40449549d4fbddd.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-125e909c0a2e6ee0.rmeta --extern proc_macro --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "08ba843180eddd5a75284b1919504f63fc71c8d0ed95148766f70773bfa01c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ba843180eddd5a75284b1919504f63fc71c8d0ed95148766f70773bfa01c51", kill_on_drop: false }`
[INFO] [stdout] 08ba843180eddd5a75284b1919504f63fc71c8d0ed95148766f70773bfa01c51