[INFO] cloning repository https://github.com/lakinwecker/chessterrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lakinwecker/chessterrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flakinwecker%2Fchessterrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flakinwecker%2Fchessterrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb68f73776d48ca711bbf9a0b7a1ed329f02000a
[INFO] documenting lakinwecker/chessterrs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flakinwecker%2Fchessterrs" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lakinwecker/chessterrs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lakinwecker/chessterrs
[INFO] finished tweaking git repo https://github.com/lakinwecker/chessterrs
[INFO] tweaked toml for git repo https://github.com/lakinwecker/chessterrs written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/lakinwecker/chessterrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded websocket v0.17.1
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded pnacl-build-helper v1.4.11
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded walkdir v1.0.7
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.14
[INFO] [stderr]   Downloaded hyper v0.9.18
[INFO] [stderr]   Downloaded gcc v0.3.45
[INFO] [stderr]   Downloaded openssl-verify v0.1.0
[INFO] [stderr]   Downloaded log v0.3.7
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded serde v0.9.13
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded mime v0.2.3
[INFO] [stderr]   Downloaded net2 v0.2.27
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded openssl v0.7.14
[INFO] [stderr]   Downloaded idna v0.1.1
[INFO] [stderr]   Downloaded config v0.4.1
[INFO] [stderr]   Downloaded slack v0.16.0
[INFO] [stderr]   Downloaded same-file v0.1.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded slack_api v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b68589fa3f9aa36944cfe31db5c1b8f04a84523537b7c08bf920b6a4994a268a
[INFO] running `Command { std: "docker" "start" "-a" "b68589fa3f9aa36944cfe31db5c1b8f04a84523537b7c08bf920b6a4994a268a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68589fa3f9aa36944cfe31db5c1b8f04a84523537b7c08bf920b6a4994a268a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68589fa3f9aa36944cfe31db5c1b8f04a84523537b7c08bf920b6a4994a268a", kill_on_drop: false }`
[INFO] [stdout] b68589fa3f9aa36944cfe31db5c1b8f04a84523537b7c08bf920b6a4994a268a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cf7a0f6d4c391154de7bba8c88a942858a8760af167753ec06f21d1043c3591
[INFO] running `Command { std: "docker" "start" "-a" "4cf7a0f6d4c391154de7bba8c88a942858a8760af167753ec06f21d1043c3591", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v0.9.13
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.3
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling openssl-sys-extras v0.7.14
[INFO] [stderr]    Compiling openssl v0.7.14
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking idna v0.1.1
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking config v0.4.1
[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" "4cf7a0f6d4c391154de7bba8c88a942858a8760af167753ec06f21d1043c3591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf7a0f6d4c391154de7bba8c88a942858a8760af167753ec06f21d1043c3591", kill_on_drop: false }`
[INFO] [stdout] 4cf7a0f6d4c391154de7bba8c88a942858a8760af167753ec06f21d1043c3591
