[INFO] cloning repository https://github.com/linkerd/linkerd-tcp
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkerd%2Flinkerd-tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68ed48997fc54b0aa7c72234550e95851cf24e2e
[INFO] checking linkerd/linkerd-tcp against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkerd%2Flinkerd-tcp" "/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/linkerd/linkerd-tcp on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/linkerd/linkerd-tcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/briansmith/rustls`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webpki v0.14.0
[INFO] [stderr]   Downloaded num-rational v0.1.41
[INFO] [stderr]   Downloaded serde_yaml v0.7.3
[INFO] [stderr]   Downloaded tacho v0.4.2
[INFO] [stderr]   Downloaded hdrsample v3.0.0
[INFO] [stderr]   Downloaded sct v0.1.4
[INFO] [stderr]   Downloaded pretty_env_logger v0.1.1
[INFO] [stderr]   Downloaded hyper v0.11.16
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7e3273b05ac7e66819bfe8111444c5dbb55efaef2bcad4d197036f23056bd2d
[INFO] running `Command { std: "docker" "start" "-a" "e7e3273b05ac7e66819bfe8111444c5dbb55efaef2bcad4d197036f23056bd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e3273b05ac7e66819bfe8111444c5dbb55efaef2bcad4d197036f23056bd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e3273b05ac7e66819bfe8111444c5dbb55efaef2bcad4d197036f23056bd2d", kill_on_drop: false }`
[INFO] [stdout] e7e3273b05ac7e66819bfe8111444c5dbb55efaef2bcad4d197036f23056bd2d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f123b190d734ca83484939be9795bbf046bdd6edea02c745d38f9b70734ba35a
[INFO] running `Command { std: "docker" "start" "-a" "f123b190d734ca83484939be9795bbf046bdd6edea02c745d38f9b70734ba35a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling rayon-core v1.3.0
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f123b190d734ca83484939be9795bbf046bdd6edea02c745d38f9b70734ba35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f123b190d734ca83484939be9795bbf046bdd6edea02c745d38f9b70734ba35a", kill_on_drop: false }`
[INFO] [stdout] f123b190d734ca83484939be9795bbf046bdd6edea02c745d38f9b70734ba35a