[INFO] cloning repository https://github.com/lumasepa/j2_render
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lumasepa/j2_render" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumasepa%2Fj2_render", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumasepa%2Fj2_render'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4798e325bc1f11e264f2d89d4481415e2926fd3
[INFO] documenting lumasepa/j2_render 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%2Flumasepa%2Fj2_render" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lumasepa/j2_render 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] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/lumasepa/j2_render
[INFO] finished tweaking git repo https://github.com/lumasepa/j2_render
[INFO] tweaked toml for git repo https://github.com/lumasepa/j2_render written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lumasepa/j2_render 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 18bd07a528fc9524d5a68e5d33d904eb55ca4f9241b389017ec8b06cf3b82a56
[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" "18bd07a528fc9524d5a68e5d33d904eb55ca4f9241b389017ec8b06cf3b82a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18bd07a528fc9524d5a68e5d33d904eb55ca4f9241b389017ec8b06cf3b82a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bd07a528fc9524d5a68e5d33d904eb55ca4f9241b389017ec8b06cf3b82a56", kill_on_drop: false }`
[INFO] [stdout] 18bd07a528fc9524d5a68e5d33d904eb55ca4f9241b389017ec8b06cf3b82a56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5a1c596bf82b4c40448ff3b060f697ce60ddc1ebfe52f665b1adf28fbcdd2ebd
[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" "5a1c596bf82b4c40448ff3b060f697ce60ddc1ebfe52f665b1adf28fbcdd2ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.29
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking molysite v0.1.0 (https://github.com/evq/molysite#49fceec9)
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.15
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking tera v1.2.0
[INFO] [stderr]  Documenting j2_render v0.0.1 (/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(or_patterns)]
[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 `j2_render`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name j2_render 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-ba9ecce0086461bc.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-d973ad0bb6bed0e7.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-91c2b32d0ceb9511.rmeta --extern molysite=/opt/rustwide/target/debug/deps/libmolysite-665a303023717848.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6a323b95062a801a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-93c13a7a46b78a4a.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-7cc4471489bf2f8c.rmeta --extern tera=/opt/rustwide/target/debug/deps/libtera-f45af5cee9af5f18.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-caf0e0f3d3225c36.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5a1c596bf82b4c40448ff3b060f697ce60ddc1ebfe52f665b1adf28fbcdd2ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1c596bf82b4c40448ff3b060f697ce60ddc1ebfe52f665b1adf28fbcdd2ebd", kill_on_drop: false }`
[INFO] [stdout] 5a1c596bf82b4c40448ff3b060f697ce60ddc1ebfe52f665b1adf28fbcdd2ebd