[INFO] cloning repository https://github.com/Dreae/rocket-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dreae/rocket-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2Frocket-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2Frocket-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 247644e9c426d50d360b10acf774b7b3c347489e
[INFO] checking Dreae/rocket-example against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2Frocket-example" "/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/Dreae/rocket-example on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dreae/rocket-example
[INFO] finished tweaking git repo https://github.com/Dreae/rocket-example
[INFO] tweaked toml for git repo https://github.com/Dreae/rocket-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Dreae/rocket-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded serde_codegen v0.8.21
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded serde_derive v0.8.21
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded diesel_codegen v0.9.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded hyper v0.9.14
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded diesel_codegen_shared v0.9.0
[INFO] [stderr]   Downloaded pq-sys v0.2.7
[INFO] [stderr]   Downloaded rocket_contrib v0.1.4
[INFO] [stderr]   Downloaded syn v0.10.5
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded rocket v0.1.4
[INFO] [stderr]   Downloaded rocket_codegen v0.1.4
[INFO] [stderr]   Downloaded r2d2 v0.7.1
[INFO] [stderr]   Downloaded diesel v0.9.1
[INFO] [stderr]   Downloaded r2d2-diesel v0.9.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42e856a6f6044041090ddc1ebbf41728c96d2356bc92e918bd12e1e2621219c5
[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" "42e856a6f6044041090ddc1ebbf41728c96d2356bc92e918bd12e1e2621219c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42e856a6f6044041090ddc1ebbf41728c96d2356bc92e918bd12e1e2621219c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e856a6f6044041090ddc1ebbf41728c96d2356bc92e918bd12e1e2621219c5", kill_on_drop: false }`
[INFO] [stdout] 42e856a6f6044041090ddc1ebbf41728c96d2356bc92e918bd12e1e2621219c5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1286997f16c6700f28103fe1cb6b0f628434cc499a526f3a2d5c55d99bde0273
[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" "1286997f16c6700f28103fe1cb6b0f628434cc499a526f3a2d5c55d99bde0273", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pq-sys v0.2.7
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling syn v0.10.5
[INFO] [stderr]    Compiling rocket_codegen v0.1.4
[INFO] [stderr]     Checking r2d2 v0.7.1
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling diesel v0.9.1
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking url v1.2.4
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking term-painter v0.2.3
[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-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "1286997f16c6700f28103fe1cb6b0f628434cc499a526f3a2d5c55d99bde0273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1286997f16c6700f28103fe1cb6b0f628434cc499a526f3a2d5c55d99bde0273", kill_on_drop: false }`
[INFO] [stdout] 1286997f16c6700f28103fe1cb6b0f628434cc499a526f3a2d5c55d99bde0273