[INFO] crate p2p 0.6.0 is already in cache
[INFO] documenting p2p-0.6.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate p2p 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate p2p 0.6.0 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 p2p 0.6.0
[INFO] finished tweaking crates.io crate p2p 0.6.0
[INFO] tweaked toml for crates.io crate p2p 0.6.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] a78da06b0169c2542e3664119ba2075d4bf48dbfa371a1c7cbde9036fad69f89
[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" "a78da06b0169c2542e3664119ba2075d4bf48dbfa371a1c7cbde9036fad69f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a78da06b0169c2542e3664119ba2075d4bf48dbfa371a1c7cbde9036fad69f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78da06b0169c2542e3664119ba2075d4bf48dbfa371a1c7cbde9036fad69f89", kill_on_drop: false }`
[INFO] [stdout] a78da06b0169c2542e3664119ba2075d4bf48dbfa371a1c7cbde9036fad69f89
[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" "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] 91773a3e1d36259c9ca391c940e530499385e8145473a8a0c518b428a6bb6f26
[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" "91773a3e1d36259c9ca391c940e530499385e8145473a8a0c518b428a6bb6f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unwrap v1.1.0
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "91773a3e1d36259c9ca391c940e530499385e8145473a8a0c518b428a6bb6f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91773a3e1d36259c9ca391c940e530499385e8145473a8a0c518b428a6bb6f26", kill_on_drop: false }`
[INFO] [stdout] 91773a3e1d36259c9ca391c940e530499385e8145473a8a0c518b428a6bb6f26