[INFO] cloning repository https://github.com/july2993/zergling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/july2993/zergling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuly2993%2Fzergling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuly2993%2Fzergling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f20431365e31932f00734be0ba71e7d890675a59
[INFO] testing july2993/zergling against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuly2993%2Fzergling" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/july2993/zergling 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 git repo https://github.com/july2993/zergling
[INFO] finished tweaking git repo https://github.com/july2993/zergling
[INFO] tweaked toml for git repo https://github.com/july2993/zergling written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/july2993/zergling already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b104f2ccd07ba415fd09015fa4e187b6b90e86ccbaed8be4ae28040821960df0
[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" "b104f2ccd07ba415fd09015fa4e187b6b90e86ccbaed8be4ae28040821960df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b104f2ccd07ba415fd09015fa4e187b6b90e86ccbaed8be4ae28040821960df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b104f2ccd07ba415fd09015fa4e187b6b90e86ccbaed8be4ae28040821960df0", kill_on_drop: false }`
[INFO] [stdout] b104f2ccd07ba415fd09015fa4e187b6b90e86ccbaed8be4ae28040821960df0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55f8e3f5466dd40ecfd4956680381564be5ba5c78fd879992beed97b03763059
[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" "55f8e3f5466dd40ecfd4956680381564be5ba5c78fd879992beed97b03763059", kill_on_drop: false }`
[INFO] [stderr]    Compiling safemem v0.1.1
[INFO] [stderr]    Compiling quick-error v0.2.2
[INFO] [stderr]    Compiling lru v0.1.4
[INFO] [stderr]    Compiling tls-api v0.1.11
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v2.0.0
[INFO] [stderr]    Compiling cmake v0.1.28
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling protobuf v1.4.2
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling buf_redux v0.6.1
[INFO] [stderr]    Compiling twoway v0.1.7
[INFO] [stderr]    Compiling tls-api-stub v0.1.11
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling url v0.2.38
[INFO] [stderr]    Compiling grpcio-sys v0.1.2
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[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-1.6.0/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" "55f8e3f5466dd40ecfd4956680381564be5ba5c78fd879992beed97b03763059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f8e3f5466dd40ecfd4956680381564be5ba5c78fd879992beed97b03763059", kill_on_drop: false }`
[INFO] [stdout] 55f8e3f5466dd40ecfd4956680381564be5ba5c78fd879992beed97b03763059
