[INFO] cloning repository https://github.com/dlurton/compiler_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlurton/compiler_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlurton%2Fcompiler_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlurton%2Fcompiler_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca3ad9ebc249ad43f0b067f7a4562788e0024ee1
[INFO] documenting dlurton/compiler_in_rust against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlurton%2Fcompiler_in_rust" "/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/dlurton/compiler_in_rust on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dlurton/compiler_in_rust
[INFO] finished tweaking git repo https://github.com/dlurton/compiler_in_rust
[INFO] tweaked toml for git repo https://github.com/dlurton/compiler_in_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dlurton/compiler_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "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] 38ec5e3659f72ffb13fc46bf15ddc59bb135238ce575e5cbe191ef0855d5e826
[INFO] running `Command { std: "docker" "start" "-a" "38ec5e3659f72ffb13fc46bf15ddc59bb135238ce575e5cbe191ef0855d5e826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ec5e3659f72ffb13fc46bf15ddc59bb135238ce575e5cbe191ef0855d5e826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ec5e3659f72ffb13fc46bf15ddc59bb135238ce575e5cbe191ef0855d5e826", kill_on_drop: false }`
[INFO] [stdout] 38ec5e3659f72ffb13fc46bf15ddc59bb135238ce575e5cbe191ef0855d5e826
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 5774a4551cd3b14477f0aab0f2e32aa64a5c5f409eca1b3303fc46307fbd472d
[INFO] running `Command { std: "docker" "start" "-a" "5774a4551cd3b14477f0aab0f2e32aa64a5c5f409eca1b3303fc46307fbd472d", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting compiler_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/passes/mod.rs:33:69
[INFO] [stdout]    |
[INFO] [stdout] 33 | ...d>(expr: &Expr, node_handler: &Fn(&Expr) -> Option<Result<Expr, SourceError<TErrorKind>>>) -> Result<Expr, SourceError<TErrorKind>> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Expr) -> Option<Result<Expr, SourceError<TErrorKind>>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "5774a4551cd3b14477f0aab0f2e32aa64a5c5f409eca1b3303fc46307fbd472d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5774a4551cd3b14477f0aab0f2e32aa64a5c5f409eca1b3303fc46307fbd472d", kill_on_drop: false }`
[INFO] [stdout] 5774a4551cd3b14477f0aab0f2e32aa64a5c5f409eca1b3303fc46307fbd472d