[INFO] cloning repository https://github.com/southball/rust-cms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/southball/rust-cms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouthball%2Frust-cms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouthball%2Frust-cms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6010e88ad30a6c89fac6ea7736c69219194dc17d
[INFO] documenting southball/rust-cms against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouthball%2Frust-cms" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/southball/rust-cms 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 git repo https://github.com/southball/rust-cms
[INFO] finished tweaking git repo https://github.com/southball/rust-cms
[INFO] tweaked toml for git repo https://github.com/southball/rust-cms written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/southball/rust-cms already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3278f90912c9d8f2d2bfd322d58049d78a4f1732dbeb6754c5f5d6f022f9ad6a
[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" "3278f90912c9d8f2d2bfd322d58049d78a4f1732dbeb6754c5f5d6f022f9ad6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3278f90912c9d8f2d2bfd322d58049d78a4f1732dbeb6754c5f5d6f022f9ad6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3278f90912c9d8f2d2bfd322d58049d78a4f1732dbeb6754c5f5d6f022f9ad6a", kill_on_drop: false }`
[INFO] [stdout] 3278f90912c9d8f2d2bfd322d58049d78a4f1732dbeb6754c5f5d6f022f9ad6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a2284b7823f32eb7a375606d2543869b78f8965a56a7ffdcede04971df7e8b5a
[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" "a2284b7823f32eb7a375606d2543869b78f8965a56a7ffdcede04971df7e8b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking omnom v2.1.2
[INFO] [stderr]     Checking infer v0.1.6
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking byte-pool v0.2.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.4
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling liquid-derive v0.20.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking piper v0.1.2
[INFO] [stderr]     Checking smol v0.1.10
[INFO] [stderr]     Checking async-std v1.6.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking kstring v0.1.0
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking femme v2.1.0
[INFO] [stderr]     Checking http-types v2.0.1
[INFO] [stderr]     Checking http-types v1.3.1
[INFO] [stderr]     Checking liquid-core v0.20.0
[INFO] [stderr]     Checking simple_asn1 v0.4.0
[INFO] [stderr]     Checking diesel v1.4.4
[INFO] [stderr]     Checking jsonwebtoken v7.1.0
[INFO] [stderr]     Checking async-sse v2.1.0
[INFO] [stderr]     Checking async-h1 v2.0.0
[INFO] [stderr]     Checking tide v0.9.0
[INFO] [stderr]     Checking liquid-lib v0.20.0
[INFO] [stderr]     Checking liquid v0.20.0
[INFO] [stderr]  Documenting rust-cms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_nonzero_int_methods)]
[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 `rust-cms`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_cms src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-1573dabcdc0f7287.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-8224c6d1bf0fad3f.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-42ace988f35ece5e.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-cef85b3c37af14cf.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-1c1d02a6c9463162.rmeta --extern jsonwebtoken=/opt/rustwide/target/debug/deps/libjsonwebtoken-faa37ab75bbfd899.rmeta --extern liquid=/opt/rustwide/target/debug/deps/libliquid-f948f857f272e4f2.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-25d054e954edca2b.rmeta --extern pulldown_cmark=/opt/rustwide/target/debug/deps/libpulldown_cmark-d75deae5b161f165.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-2a15ddb4e9fa016a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-77119f9eb12e0646.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-19f23fac85b3c085.rmeta --extern tide=/opt/rustwide/target/debug/deps/libtide-74d0880cc0687d6a.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-2084f5c1acace154.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a2284b7823f32eb7a375606d2543869b78f8965a56a7ffdcede04971df7e8b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2284b7823f32eb7a375606d2543869b78f8965a56a7ffdcede04971df7e8b5a", kill_on_drop: false }`
[INFO] [stdout] a2284b7823f32eb7a375606d2543869b78f8965a56a7ffdcede04971df7e8b5a