[INFO] cloning repository https://github.com/linkerd/linkerd-tcp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linkerd/linkerd-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkerd%2Flinkerd-tcp"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkerd%2Flinkerd-tcp'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68ed48997fc54b0aa7c72234550e95851cf24e2e
[INFO] checking linkerd/linkerd-tcp against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkerd%2Flinkerd-tcp" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linkerd/linkerd-tcp on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/linkerd/linkerd-tcp
[INFO] finished tweaking git repo https://github.com/linkerd/linkerd-tcp
[INFO] tweaked toml for git repo https://github.com/linkerd/linkerd-tcp written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/linkerd/linkerd-tcp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 710c2f0bd84632997a36c7836b82ad7e1f5b51e4204fbb4a2d012f3dbbbec0d5
[INFO] running `"docker" "start" "-a" "710c2f0bd84632997a36c7836b82ad7e1f5b51e4204fbb4a2d012f3dbbbec0d5"`
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking hdrsample v3.0.0
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "710c2f0bd84632997a36c7836b82ad7e1f5b51e4204fbb4a2d012f3dbbbec0d5"`
[INFO] running `"docker" "rm" "-f" "710c2f0bd84632997a36c7836b82ad7e1f5b51e4204fbb4a2d012f3dbbbec0d5"`
[INFO] [stdout] 710c2f0bd84632997a36c7836b82ad7e1f5b51e4204fbb4a2d012f3dbbbec0d5