[INFO] fetching crate fractal-utils 0.3.4...
[INFO] documenting fractal-utils-0.3.4 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate fractal-utils 0.3.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fractal-utils 0.3.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fractal-utils 0.3.4
[INFO] finished tweaking crates.io crate fractal-utils 0.3.4
[INFO] tweaked toml for crates.io crate fractal-utils 0.3.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 4c9682e3392b595fc582d37e9d67ab1fb297209af8e0f844b1100a0352480a7f
[INFO] running `Command { std: "docker" "start" "-a" "4c9682e3392b595fc582d37e9d67ab1fb297209af8e0f844b1100a0352480a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9682e3392b595fc582d37e9d67ab1fb297209af8e0f844b1100a0352480a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9682e3392b595fc582d37e9d67ab1fb297209af8e0f844b1100a0352480a7f", kill_on_drop: false }`
[INFO] [stdout] 4c9682e3392b595fc582d37e9d67ab1fb297209af8e0f844b1100a0352480a7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 4b7d93e6280f0cc36273638f39d9fb48f735622781617f19b8f0d25e0cb3428c
[INFO] running `Command { std: "docker" "start" "-a" "4b7d93e6280f0cc36273638f39d9fb48f735622781617f19b8f0d25e0cb3428c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-bigint v0.4.0
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking rust-base58 v0.0.4
[INFO] [stderr]  Documenting fractal-utils v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![forbid(missing_docs, warnings)]
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:15:47
[INFO] [stdout]    |
[INFO] [stdout] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "4b7d93e6280f0cc36273638f39d9fb48f735622781617f19b8f0d25e0cb3428c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7d93e6280f0cc36273638f39d9fb48f735622781617f19b8f0d25e0cb3428c", kill_on_drop: false }`
[INFO] [stdout] 4b7d93e6280f0cc36273638f39d9fb48f735622781617f19b8f0d25e0cb3428c
