[INFO] updating cached repository https://github.com/dovahcrow/rocket_macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acf9767b33311bf7eede945e3c348c1e4a1178f6
[INFO] testing dovahcrow/rocket_macros against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovahcrow%2Frocket_macros" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dovahcrow/rocket_macros on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dovahcrow/rocket_macros
[INFO] finished tweaking git repo https://github.com/dovahcrow/rocket_macros
[INFO] tweaked toml for git repo https://github.com/dovahcrow/rocket_macros written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dovahcrow/rocket_macros already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96c646203d19abd8eaf2eece63feca222b6dedff0d24e1feffe73bb77a2d218b
[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" "96c646203d19abd8eaf2eece63feca222b6dedff0d24e1feffe73bb77a2d218b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c646203d19abd8eaf2eece63feca222b6dedff0d24e1feffe73bb77a2d218b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c646203d19abd8eaf2eece63feca222b6dedff0d24e1feffe73bb77a2d218b", kill_on_drop: false }`
[INFO] [stdout] 96c646203d19abd8eaf2eece63feca222b6dedff0d24e1feffe73bb77a2d218b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a980617f4397148aef82ddb7b1bc9914e94e088c1eef90db1edd9fabcd9ac948
[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" "a980617f4397148aef82ddb7b1bc9914e94e088c1eef90db1edd9fabcd9ac948", kill_on_drop: false }`
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling gcc v0.3.42
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling result v0.0.1
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling rocket_macros v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling term-painter v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling error-chain v0.8.1
[INFO] [stderr]    Compiling url v1.4.0
[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-1.4.0/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" "a980617f4397148aef82ddb7b1bc9914e94e088c1eef90db1edd9fabcd9ac948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a980617f4397148aef82ddb7b1bc9914e94e088c1eef90db1edd9fabcd9ac948", kill_on_drop: false }`
[INFO] [stdout] a980617f4397148aef82ddb7b1bc9914e94e088c1eef90db1edd9fabcd9ac948