[INFO] cloning repository https://github.com/greenpdx/mongoful-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greenpdx/mongoful-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenpdx%2Fmongoful-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenpdx%2Fmongoful-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ac53f0534b6540a019cef53bbb726dd2151650f
[INFO] testing greenpdx/mongoful-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenpdx%2Fmongoful-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greenpdx/mongoful-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/greenpdx/mongoful-rust
[INFO] finished tweaking git repo https://github.com/greenpdx/mongoful-rust
[INFO] tweaked toml for git repo https://github.com/greenpdx/mongoful-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/greenpdx/mongoful-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 858abfa23365647165b75837c77216fdad4531bd5168975d3f0b1104d537236e
[INFO] running `Command { std: "docker" "start" "-a" "858abfa23365647165b75837c77216fdad4531bd5168975d3f0b1104d537236e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858abfa23365647165b75837c77216fdad4531bd5168975d3f0b1104d537236e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858abfa23365647165b75837c77216fdad4531bd5168975d3f0b1104d537236e", kill_on_drop: false }`
[INFO] [stdout] 858abfa23365647165b75837c77216fdad4531bd5168975d3f0b1104d537236e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9a445f3fbf4f7a1ac397de1f0e1f9cadd76d80b5a0a56bfc3f72c1785dd6a88
[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" "a9a445f3fbf4f7a1ac397de1f0e1f9cadd76d80b5a0a56bfc3f72c1785dd6a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling gcc v0.3.52
[INFO] [stderr]    Compiling safemem v0.1.1
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling bufstream v0.1.3
[INFO] [stderr]    Compiling scan_fmt v0.1.1
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling hostname v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling libsodium-sys v0.0.15
[INFO] [stderr]    Compiling semver v0.7.0
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling nom v3.2.0
[INFO] [stderr]    Compiling twoway v0.1.3
[INFO] [stderr]    Compiling buf_redux v0.6.1
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling mime v0.3.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling mime_guess v1.8.2
[INFO] [stderr]    Compiling rustful v0.9.0 (https://github.com/Ogeon/rustful.git#ddb29bee)
[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] 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" "a9a445f3fbf4f7a1ac397de1f0e1f9cadd76d80b5a0a56bfc3f72c1785dd6a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a445f3fbf4f7a1ac397de1f0e1f9cadd76d80b5a0a56bfc3f72c1785dd6a88", kill_on_drop: false }`
[INFO] [stdout] a9a445f3fbf4f7a1ac397de1f0e1f9cadd76d80b5a0a56bfc3f72c1785dd6a88