[INFO] cloning repository https://github.com/ward/rust-chronorace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ward/rust-chronorace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fward%2Frust-chronorace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fward%2Frust-chronorace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1e5f7eb3c12bab2f2d313d759fdee3b76f7a354
[INFO] documenting ward/rust-chronorace 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%2Fward%2Frust-chronorace" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ward/rust-chronorace 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/ward/rust-chronorace
[INFO] finished tweaking git repo https://github.com/ward/rust-chronorace
[INFO] tweaked toml for git repo https://github.com/ward/rust-chronorace written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ward/rust-chronorace 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-uds v0.2.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.36
[INFO] [stderr]   Downloaded serde_json v1.0.31
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[INFO] [stderr]   Downloaded tokio-threadpool v0.1.7
[INFO] [stderr]   Downloaded hyper v0.12.11
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[INFO] [stderr]   Downloaded openssl v0.10.12
[INFO] [stderr]   Downloaded tokio-io v0.1.9
[INFO] [stderr]   Downloaded encoding_rs v0.8.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 08a73c4bc2ec45836d1068a536bf233bbc0664cf39bf1fe601bceecd159125a8
[INFO] running `Command { std: "docker" "start" "-a" "08a73c4bc2ec45836d1068a536bf233bbc0664cf39bf1fe601bceecd159125a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a73c4bc2ec45836d1068a536bf233bbc0664cf39bf1fe601bceecd159125a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a73c4bc2ec45836d1068a536bf233bbc0664cf39bf1fe601bceecd159125a8", kill_on_drop: false }`
[INFO] [stdout] 08a73c4bc2ec45836d1068a536bf233bbc0664cf39bf1fe601bceecd159125a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 83e26fd610743af5ff935172afaab1d9db6ee9426dfb5d68fd87a33f1f584396
[INFO] running `Command { std: "docker" "start" "-a" "83e26fd610743af5ff935172afaab1d9db6ee9426dfb5d68fd87a33f1f584396", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.2
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[INFO] [stderr]     Checking num_cpus v1.8.0
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[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking encoding_rs v0.8.8
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]    Compiling phf_shared v0.7.23
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[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking url v1.2.3
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
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[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[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-1.2.3/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" "83e26fd610743af5ff935172afaab1d9db6ee9426dfb5d68fd87a33f1f584396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e26fd610743af5ff935172afaab1d9db6ee9426dfb5d68fd87a33f1f584396", kill_on_drop: false }`
[INFO] [stdout] 83e26fd610743af5ff935172afaab1d9db6ee9426dfb5d68fd87a33f1f584396
