[INFO] cloning repository https://github.com/ikonovalov/rust-cryptocurrency-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikonovalov/rust-cryptocurrency-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikonovalov%2Frust-cryptocurrency-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikonovalov%2Frust-cryptocurrency-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cb1fb22dd5ba0d7fee31a45e664c9833a0f6bad
[INFO] documenting ikonovalov/rust-cryptocurrency-demo 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%2Fikonovalov%2Frust-cryptocurrency-demo" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikonovalov/rust-cryptocurrency-demo 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/ikonovalov/rust-cryptocurrency-demo
[INFO] finished tweaking git repo https://github.com/ikonovalov/rust-cryptocurrency-demo
[INFO] tweaked toml for git repo https://github.com/ikonovalov/rust-cryptocurrency-demo written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/ikonovalov/rust-cryptocurrency-demo 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.39
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 2c265724a105394e14bec2f598fc4d47cf5d5ccf213716ca885802403150bd0e
[INFO] running `Command { std: "docker" "start" "-a" "2c265724a105394e14bec2f598fc4d47cf5d5ccf213716ca885802403150bd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c265724a105394e14bec2f598fc4d47cf5d5ccf213716ca885802403150bd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c265724a105394e14bec2f598fc4d47cf5d5ccf213716ca885802403150bd0e", kill_on_drop: false }`
[INFO] [stdout] 2c265724a105394e14bec2f598fc4d47cf5d5ccf213716ca885802403150bd0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] f132568c67d54cb1396c1d8c3f1ac86ae542152a21cb5f2317bc12c36198751d
[INFO] running `Command { std: "docker" "start" "-a" "f132568c67d54cb1396c1d8c3f1ac86ae542152a21cb5f2317bc12c36198751d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking byteorder v1.1.0
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[INFO] [stderr]    Compiling cfg-if v0.1.2
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[INFO] [stderr]     Checking serde v0.8.23
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[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.4
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[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking num-integer v0.1.35
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[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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" "f132568c67d54cb1396c1d8c3f1ac86ae542152a21cb5f2317bc12c36198751d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f132568c67d54cb1396c1d8c3f1ac86ae542152a21cb5f2317bc12c36198751d", kill_on_drop: false }`
[INFO] [stdout] f132568c67d54cb1396c1d8c3f1ac86ae542152a21cb5f2317bc12c36198751d
