[INFO] cloning repository https://github.com/rrichardson/lout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rrichardson/lout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrichardson%2Flout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrichardson%2Flout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a70f4a54f0c5bea8af9a8f4db084d4012cf7786b
[INFO] testing rrichardson/lout against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrichardson%2Flout" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rrichardson/lout on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rrichardson/lout
[INFO] finished tweaking git repo https://github.com/rrichardson/lout
[INFO] tweaked toml for git repo https://github.com/rrichardson/lout written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rrichardson/lout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.bench.features
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79df91d454228d64c666200e32dd3e1ce277d34e4242246952acc69c676402e1
[INFO] running `Command { std: "docker" "start" "-a" "79df91d454228d64c666200e32dd3e1ce277d34e4242246952acc69c676402e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79df91d454228d64c666200e32dd3e1ce277d34e4242246952acc69c676402e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79df91d454228d64c666200e32dd3e1ce277d34e4242246952acc69c676402e1", kill_on_drop: false }`
[INFO] [stdout] 79df91d454228d64c666200e32dd3e1ce277d34e4242246952acc69c676402e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f05b2e582084e83a35e3101f06a0b48f82d135edb6469f9f4a0e82b5dc7e6090
[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" "f05b2e582084e83a35e3101f06a0b48f82d135edb6469f9f4a0e82b5dc7e6090", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.bench.features
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling md5 v0.3.3
[INFO] [stderr]    Compiling maplit v0.1.4
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling serde_json v0.9.6
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling snap v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.0
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling postgres-protocol v0.2.0
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling phf v0.7.21
[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-1.4.0/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` 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" "f05b2e582084e83a35e3101f06a0b48f82d135edb6469f9f4a0e82b5dc7e6090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05b2e582084e83a35e3101f06a0b48f82d135edb6469f9f4a0e82b5dc7e6090", kill_on_drop: false }`
[INFO] [stdout] f05b2e582084e83a35e3101f06a0b48f82d135edb6469f9f4a0e82b5dc7e6090