[INFO] cloning repository https://github.com/nrjais/sqlite_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrjais/sqlite_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrjais%2Fsqlite_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrjais%2Fsqlite_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fbaa5b57523735df5b3f174c304a36b52a3d1f1
[INFO] documenting nrjais/sqlite_rs 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%2Fnrjais%2Fsqlite_rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrjais/sqlite_rs 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/nrjais/sqlite_rs
[INFO] finished tweaking git repo https://github.com/nrjais/sqlite_rs
[INFO] tweaked toml for git repo https://github.com/nrjais/sqlite_rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nrjais/sqlite_rs 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3eea8ac40eb01b71cceedf5d38248d8d3f443362c41c2a8077588cbf97eb2af3
[INFO] running `Command { std: "docker" "start" "-a" "3eea8ac40eb01b71cceedf5d38248d8d3f443362c41c2a8077588cbf97eb2af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eea8ac40eb01b71cceedf5d38248d8d3f443362c41c2a8077588cbf97eb2af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eea8ac40eb01b71cceedf5d38248d8d3f443362c41c2a8077588cbf97eb2af3", kill_on_drop: false }`
[INFO] [stdout] 3eea8ac40eb01b71cceedf5d38248d8d3f443362c41c2a8077588cbf97eb2af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bc27d8f0f12fbf361ddcb3cca66eb0e97d0289e55e3817daffc06a88f8a96023
[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" "bc27d8f0f12fbf361ddcb3cca66eb0e97d0289e55e3817daffc06a88f8a96023", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking scan_fmt v0.2.4
[INFO] [stderr]     Checking rustyline v5.0.3
[INFO] [stderr]  Documenting sqlite v0.1.0 (/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(seek_convenience)]
[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 `sqlite`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name sqlite 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 rustyline=/opt/rustwide/target/debug/deps/librustyline-536759d0dc7636fe.rmeta --extern scan_fmt=/opt/rustwide/target/debug/deps/libscan_fmt-ad66898d8853e6fa.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "bc27d8f0f12fbf361ddcb3cca66eb0e97d0289e55e3817daffc06a88f8a96023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc27d8f0f12fbf361ddcb3cca66eb0e97d0289e55e3817daffc06a88f8a96023", kill_on_drop: false }`
[INFO] [stdout] bc27d8f0f12fbf361ddcb3cca66eb0e97d0289e55e3817daffc06a88f8a96023