[INFO] cloning repository https://github.com/schumacher-m/slacki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schumacher-m/slacki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschumacher-m%2Fslacki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschumacher-m%2Fslacki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c91571d2169d7ca99fe752d28fde48823175ea76
[INFO] checking schumacher-m/slacki against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschumacher-m%2Fslacki" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schumacher-m/slacki on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schumacher-m/slacki
[INFO] finished tweaking git repo https://github.com/schumacher-m/slacki
[INFO] tweaked toml for git repo https://github.com/schumacher-m/slacki written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/schumacher-m/slacki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a77b8588196ca9343bf0be07ad33fa368d7626ad41e7a02b62e4b18f47a8fc4
[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" "1a77b8588196ca9343bf0be07ad33fa368d7626ad41e7a02b62e4b18f47a8fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a77b8588196ca9343bf0be07ad33fa368d7626ad41e7a02b62e4b18f47a8fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a77b8588196ca9343bf0be07ad33fa368d7626ad41e7a02b62e4b18f47a8fc4", kill_on_drop: false }`
[INFO] [stdout] 1a77b8588196ca9343bf0be07ad33fa368d7626ad41e7a02b62e4b18f47a8fc4
[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" "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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da44292f9a17bb1e5b0e75de0d721f5329d19016ba8678e8c196141948c7e2a
[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" "3da44292f9a17bb1e5b0e75de0d721f5329d19016ba8678e8c196141948c7e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.9.21
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking utf-8 v0.7.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.21
[INFO] [stderr]    Compiling serde_derive v1.0.21
[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" "3da44292f9a17bb1e5b0e75de0d721f5329d19016ba8678e8c196141948c7e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da44292f9a17bb1e5b0e75de0d721f5329d19016ba8678e8c196141948c7e2a", kill_on_drop: false }`
[INFO] [stdout] 3da44292f9a17bb1e5b0e75de0d721f5329d19016ba8678e8c196141948c7e2a