[INFO] fetching crate escargot 0.5.0...
[INFO] documenting escargot-0.5.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate escargot 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate escargot 0.5.0 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 crates.io crate escargot 0.5.0
[INFO] finished tweaking crates.io crate escargot 0.5.0
[INFO] tweaked toml for crates.io crate escargot 0.5.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 71daeb8a584f24cf14c7eed19423e9ec5bb31d54ca9f8354b0d48631dd2d98ff
[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" "71daeb8a584f24cf14c7eed19423e9ec5bb31d54ca9f8354b0d48631dd2d98ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71daeb8a584f24cf14c7eed19423e9ec5bb31d54ca9f8354b0d48631dd2d98ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71daeb8a584f24cf14c7eed19423e9ec5bb31d54ca9f8354b0d48631dd2d98ff", kill_on_drop: false }`
[INFO] [stdout] 71daeb8a584f24cf14c7eed19423e9ec5bb31d54ca9f8354b0d48631dd2d98ff
[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] fa3fd4d4ada71f2c2e92d160e24d621b103cc174ceb249b0a7aa588a5f17fdd0
[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" "fa3fd4d4ada71f2c2e92d160e24d621b103cc174ceb249b0a7aa588a5f17fdd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling escargot v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting escargot v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     cause: Option<Box<Error + Send + Sync + 'static>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:76:32
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let c: &Error = c.as_ref();
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "fa3fd4d4ada71f2c2e92d160e24d621b103cc174ceb249b0a7aa588a5f17fdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3fd4d4ada71f2c2e92d160e24d621b103cc174ceb249b0a7aa588a5f17fdd0", kill_on_drop: false }`
[INFO] [stdout] fa3fd4d4ada71f2c2e92d160e24d621b103cc174ceb249b0a7aa588a5f17fdd0