[INFO] fetching crate ccl_owning_ref 0.4.2...
[INFO] documenting ccl_owning_ref-0.4.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate ccl_owning_ref 0.4.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ccl_owning_ref 0.4.2 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 crates.io crate ccl_owning_ref 0.4.2
[INFO] finished tweaking crates.io crate ccl_owning_ref 0.4.2
[INFO] tweaked toml for crates.io crate ccl_owning_ref 0.4.2 written to /workspace/builds/worker-13/source/Cargo.toml
[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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e7bfde3300df369b09cb704fcde0f86670d5c899f2c3512c551845a6bb661851
[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" "e7bfde3300df369b09cb704fcde0f86670d5c899f2c3512c551845a6bb661851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7bfde3300df369b09cb704fcde0f86670d5c899f2c3512c551845a6bb661851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bfde3300df369b09cb704fcde0f86670d5c899f2c3512c551845a6bb661851", kill_on_drop: false }`
[INFO] [stdout] e7bfde3300df369b09cb704fcde0f86670d5c899f2c3512c551845a6bb661851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1ba9e08ec3696f47a8465ca3ac1b122d2b87d0ff98c793f47d4803756208502c
[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" "1ba9e08ec3696f47a8465ca3ac1b122d2b87d0ff98c793f47d4803756208502c", kill_on_drop: false }`
[INFO] [stderr]     Checking ccl_stable_deref_trait v1.0.2
[INFO] [stderr]  Documenting ccl_owning_ref v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1009:28
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout]      |                            ^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1011:28
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout]      |                            ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1014:28
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout]      |                            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1016:28
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout]      |                            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "1ba9e08ec3696f47a8465ca3ac1b122d2b87d0ff98c793f47d4803756208502c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba9e08ec3696f47a8465ca3ac1b122d2b87d0ff98c793f47d4803756208502c", kill_on_drop: false }`
[INFO] [stdout] 1ba9e08ec3696f47a8465ca3ac1b122d2b87d0ff98c793f47d4803756208502c
