[INFO] updating cached repository https://github.com/JoshMcguigan/traffic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be54421388b6db3a0bf0f657600b49b74b9de824
[INFO] documenting JoshMcguigan/traffic against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Ftraffic" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshMcguigan/traffic on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoshMcguigan/traffic
[INFO] finished tweaking git repo https://github.com/JoshMcguigan/traffic
[INFO] tweaked toml for git repo https://github.com/JoshMcguigan/traffic written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshMcguigan/traffic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1edb13c8617ac810e25b53782a9d4ce4e1faa30916a3910f54f3c8e533ae0051
[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" "1edb13c8617ac810e25b53782a9d4ce4e1faa30916a3910f54f3c8e533ae0051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1edb13c8617ac810e25b53782a9d4ce4e1faa30916a3910f54f3c8e533ae0051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1edb13c8617ac810e25b53782a9d4ce4e1faa30916a3910f54f3c8e533ae0051", kill_on_drop: false }`
[INFO] [stdout] 1edb13c8617ac810e25b53782a9d4ce4e1faa30916a3910f54f3c8e533ae0051
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eb510bb22d80f90846fef40263fc6c01433bfbd05a0457d86411c1611a484e4
[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" "3eb510bb22d80f90846fef40263fc6c01433bfbd05a0457d86411c1611a484e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]     Checking tokio-sync v0.1.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking rust-gmp v0.3.2
[INFO] [stderr]     Checking dbus v0.2.3
[INFO] [stderr]     Checking rpassword v2.0.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.2.10
[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-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     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] 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" "3eb510bb22d80f90846fef40263fc6c01433bfbd05a0457d86411c1611a484e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb510bb22d80f90846fef40263fc6c01433bfbd05a0457d86411c1611a484e4", kill_on_drop: false }`
[INFO] [stdout] 3eb510bb22d80f90846fef40263fc6c01433bfbd05a0457d86411c1611a484e4