[INFO] cloning repository https://github.com/kesselborn/rsdocs2docset
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kesselborn/rsdocs2docset" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkesselborn%2Frsdocs2docset", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkesselborn%2Frsdocs2docset'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4290060d73125fbe5f058aa2b56f2903a7dd670
[INFO] checking kesselborn/rsdocs2docset against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkesselborn%2Frsdocs2docset" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kesselborn/rsdocs2docset on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kesselborn/rsdocs2docset
[INFO] finished tweaking git repo https://github.com/kesselborn/rsdocs2docset
[INFO] tweaked toml for git repo https://github.com/kesselborn/rsdocs2docset written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kesselborn/rsdocs2docset already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef4d21e3354c155ee15be81e5cbaf3deeff8adb1ab5a526e6e7dbaff47d14fde
[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" "ef4d21e3354c155ee15be81e5cbaf3deeff8adb1ab5a526e6e7dbaff47d14fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef4d21e3354c155ee15be81e5cbaf3deeff8adb1ab5a526e6e7dbaff47d14fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4d21e3354c155ee15be81e5cbaf3deeff8adb1ab5a526e6e7dbaff47d14fde", kill_on_drop: false }`
[INFO] [stdout] ef4d21e3354c155ee15be81e5cbaf3deeff8adb1ab5a526e6e7dbaff47d14fde
[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" "RUSTFLAGS=--cap-lints=forbid" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbe20b8fa8eb4251eb954fbfa7015f94d415f89844a8e0f3dd310bb1f5850b22
[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" "dbe20b8fa8eb4251eb954fbfa7015f94d415f89844a8e0f3dd310bb1f5850b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking serde v0.8.22
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]    Compiling sqlite3-src v0.2.4
[INFO] [stderr]     Checking utf-8 v0.6.0
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking futf v0.1.2
[INFO] [stderr]     Checking phf v0.7.20
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr]     Checking tendril v0.2.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking aho-corasick v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking sqlite3-sys v0.11.1
[INFO] [stderr]     Checking sqlite v0.23.2
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking url v1.2.4
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling string_cache v0.3.0
[INFO] [stderr]    Compiling html5ever-atoms v0.1.3
[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-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "dbe20b8fa8eb4251eb954fbfa7015f94d415f89844a8e0f3dd310bb1f5850b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe20b8fa8eb4251eb954fbfa7015f94d415f89844a8e0f3dd310bb1f5850b22", kill_on_drop: false }`
[INFO] [stdout] dbe20b8fa8eb4251eb954fbfa7015f94d415f89844a8e0f3dd310bb1f5850b22