[INFO] fetching crate serde_closure 0.2.13...
[INFO] documenting serde_closure-0.2.13 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate serde_closure 0.2.13 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_closure 0.2.13 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_closure 0.2.13
[INFO] finished tweaking crates.io crate serde_closure 0.2.13
[INFO] tweaked toml for crates.io crate serde_closure 0.2.13 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a599c2a8bc6acdbd764010b3ebbce37902b07553fca4ca71e634da7f2e72782c
[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" "a599c2a8bc6acdbd764010b3ebbce37902b07553fca4ca71e634da7f2e72782c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a599c2a8bc6acdbd764010b3ebbce37902b07553fca4ca71e634da7f2e72782c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a599c2a8bc6acdbd764010b3ebbce37902b07553fca4ca71e634da7f2e72782c", kill_on_drop: false }`
[INFO] [stdout] a599c2a8bc6acdbd764010b3ebbce37902b07553fca4ca71e634da7f2e72782c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d96e852054f51131ffcdecb147827cfa390eea004b1e00b5ca7fed5f3fc39cc9
[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" "d96e852054f51131ffcdecb147827cfa390eea004b1e00b5ca7fed5f3fc39cc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_closure_derive v0.2.13
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]  Documenting serde_closure v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[FnOnce]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |     //! [`FnOnce`](macro@FnOnce), [`FnMut`](macro@FnMut) and [`Fn`](macro@Fn)
[INFO] [stdout]     |                    ^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[FnMut]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:247:42
[INFO] [stdout]     |
[INFO] [stdout] 247 |     //! [`FnOnce`](macro@FnOnce), [`FnMut`](macro@FnMut) and [`Fn`](macro@Fn)
[INFO] [stdout]     |                                             ^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[Fn]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:247:66
[INFO] [stdout]     |
[INFO] [stdout] 247 |     //! [`FnOnce`](macro@FnOnce), [`FnMut`](macro@FnMut) and [`Fn`](macro@Fn)
[INFO] [stdout]     |                                                                     ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[FnOnce]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:263:17
[INFO] [stdout]     |
[INFO] [stdout] 263 |     /// [`FnOnce`](macro@FnOnce) macro. Implements [`std::ops::FnOnce`],
[INFO] [stdout]     |                    ^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[FnMut]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:304:16
[INFO] [stdout]     |
[INFO] [stdout] 304 |     /// [`FnMut`](macro@FnMut) macro. Implements [`std::ops::FnMut`],
[INFO] [stdout]     |                   ^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[Fn]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |     /// [`Fn`](macro@Fn) macro. Implements [`std::ops::Fn`], [`Debug`],
[INFO] [stdout]     |                ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.96s
[INFO] running `Command { std: "docker" "inspect" "d96e852054f51131ffcdecb147827cfa390eea004b1e00b5ca7fed5f3fc39cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96e852054f51131ffcdecb147827cfa390eea004b1e00b5ca7fed5f3fc39cc9", kill_on_drop: false }`
[INFO] [stdout] d96e852054f51131ffcdecb147827cfa390eea004b1e00b5ca7fed5f3fc39cc9