[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] documenting rrichardson/lout against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrichardson%2Flout" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rrichardson/lout on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-3/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" "+beta-2021-08-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecfcab434650587e93e9843d6a135c85e96109595c971f971df9ecb51bd6b2d5
[INFO] running `Command { std: "docker" "start" "-a" "ecfcab434650587e93e9843d6a135c85e96109595c971f971df9ecb51bd6b2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecfcab434650587e93e9843d6a135c85e96109595c971f971df9ecb51bd6b2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecfcab434650587e93e9843d6a135c85e96109595c971f971df9ecb51bd6b2d5", kill_on_drop: false }`
[INFO] [stdout] ecfcab434650587e93e9843d6a135c85e96109595c971f971df9ecb51bd6b2d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b6b0ec706b087acbf892ccdf3ef2e9c3ca909f54013b410579f64a04099df37
[INFO] running `Command { std: "docker" "start" "-a" "8b6b0ec706b087acbf892ccdf3ef2e9c3ca909f54013b410579f64a04099df37", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.bench.features
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking siphasher v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking md5 v0.2.1
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]     Checking maplit v0.1.4
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bufstream v0.1.2
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking snap v0.1.2
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking futures v0.1.10
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking postgres-protocol v0.2.0
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]     Checking bytes v0.4.0
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking postgres-shared v0.1.1
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]     Checking tokio-core v0.1.4
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]     Checking postgres v0.13.6
[INFO] [stderr]     Checking flate2 v0.2.17
[INFO] [stderr]     Checking env_logger v0.4.0
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling serde_json v0.9.6
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]    Compiling Inflector v0.7.0
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "8b6b0ec706b087acbf892ccdf3ef2e9c3ca909f54013b410579f64a04099df37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6b0ec706b087acbf892ccdf3ef2e9c3ca909f54013b410579f64a04099df37", kill_on_drop: false }`
[INFO] [stdout] 8b6b0ec706b087acbf892ccdf3ef2e9c3ca909f54013b410579f64a04099df37
