[INFO] cloning repository https://github.com/ca1ek/example_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ca1ek/example_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fca1ek%2Fexample_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fca1ek%2Fexample_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbdd03fad72e621dfff9f33ad032fb7112687bdb
[INFO] documenting ca1ek/example_project against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fca1ek%2Fexample_project" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ca1ek/example_project 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 git repo https://github.com/ca1ek/example_project
[INFO] finished tweaking git repo https://github.com/ca1ek/example_project
[INFO] tweaked toml for git repo https://github.com/ca1ek/example_project written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ca1ek/example_project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ca1ek/a_web_framework`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Updating git repository `https://github.com/ca1ek/a_web_framework`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4772d1ce44ba64023ebec1687b388059f56a8f7d297fc6b270ffeea1f038c974
[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" "4772d1ce44ba64023ebec1687b388059f56a8f7d297fc6b270ffeea1f038c974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4772d1ce44ba64023ebec1687b388059f56a8f7d297fc6b270ffeea1f038c974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4772d1ce44ba64023ebec1687b388059f56a8f7d297fc6b270ffeea1f038c974", kill_on_drop: false }`
[INFO] [stdout] 4772d1ce44ba64023ebec1687b388059f56a8f7d297fc6b270ffeea1f038c974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] f89e6e08673b31f1e7dd80cd6c60099dc8e680cc9f508b71305d00f514818e26
[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" "f89e6e08673b31f1e7dd80cd6c60099dc8e680cc9f508b71305d00f514818e26", kill_on_drop: false }`
[INFO] [stderr]     Checking linked-hash-map v0.0.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.5.0
[INFO] [stderr]     Checking lru-cache v0.0.7
[INFO] [stderr]     Checking rusqlite v0.7.4
[INFO] [stderr]     Checking a_web_framework v0.1.0 (https://github.com/ca1ek/a_web_framework#f066540c)
[INFO] [stderr]  Documenting example_project 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(panic_handler)]
[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 `example_project`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name example_project 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 a_web_framework=/opt/rustwide/target/debug/deps/liba_web_framework-758b12b0ee48a0e1.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f7893ea89c3244ad.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-1b0dd571af534730.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "f89e6e08673b31f1e7dd80cd6c60099dc8e680cc9f508b71305d00f514818e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89e6e08673b31f1e7dd80cd6c60099dc8e680cc9f508b71305d00f514818e26", kill_on_drop: false }`
[INFO] [stdout] f89e6e08673b31f1e7dd80cd6c60099dc8e680cc9f508b71305d00f514818e26
