[INFO] cloning repository https://github.com/rkanati/lark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rkanati/lark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Flark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Flark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22a69d8707bb137a447907895b3330dd4b509a1b
[INFO] documenting rkanati/lark 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%2Frkanati%2Flark" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rkanati/lark 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/rkanati/lark
[INFO] finished tweaking git repo https://github.com/rkanati/lark
[INFO] tweaked toml for git repo https://github.com/rkanati/lark written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rkanati/lark 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] 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] b1995dc9e1061dcac9a3508c844ee7744d6024d122c1715c4852e51d84e3b4a8
[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" "b1995dc9e1061dcac9a3508c844ee7744d6024d122c1715c4852e51d84e3b4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1995dc9e1061dcac9a3508c844ee7744d6024d122c1715c4852e51d84e3b4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1995dc9e1061dcac9a3508c844ee7744d6024d122c1715c4852e51d84e3b4a8", kill_on_drop: false }`
[INFO] [stdout] b1995dc9e1061dcac9a3508c844ee7744d6024d122c1715c4852e51d84e3b4a8
[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] a79cd0681c6f705ac747867f5c68790cc5661a603a5fef93453ff8c2609dc68b
[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" "a79cd0681c6f705ac747867f5c68790cc5661a603a5fef93453ff8c2609dc68b", kill_on_drop: false }`
[INFO] [stderr]  Documenting lark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0038]: the trait `parse::Parser` cannot be made into an object
[INFO] [stdout]    --> src/parse/combinators/mod.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     alternatives: &'static [&'static dyn Parser<Output = Output>],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `parse::Parser` cannot be made into an object
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/parse/mod.rs:11:20
[INFO] [stdout]     |
[INFO] [stdout] 11  | pub trait Parser : Sized {
[INFO] [stdout]     |           ------   ----- ...because it requires `Self: Sized`
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this trait cannot be made into an object...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `lark`.
[INFO] [stdout] error[E0038]: the trait `parse::Parser` cannot be made into an object
[INFO] [stdout]    --> src/parse/combinators/mod.rs:125:30
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn new(alternatives: &'static [&'static dyn Parser<Output = O>]) -> FirstOf<O> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `parse::Parser` cannot be made into an object
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/parse/mod.rs:11:20
[INFO] [stdout]     |
[INFO] [stdout] 11  | pub trait Parser : Sized {
[INFO] [stdout]     |           ------   ----- ...because it requires `Self: Sized`
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this trait cannot be made into an object...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lark 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 --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a79cd0681c6f705ac747867f5c68790cc5661a603a5fef93453ff8c2609dc68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79cd0681c6f705ac747867f5c68790cc5661a603a5fef93453ff8c2609dc68b", kill_on_drop: false }`
[INFO] [stdout] a79cd0681c6f705ac747867f5c68790cc5661a603a5fef93453ff8c2609dc68b