[INFO] cloning repository https://github.com/TheAdnan/Nickel-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheAdnan/Nickel-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheAdnan%2FNickel-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheAdnan%2FNickel-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a17c2d97bec951ab7fdc2dfa0a44b0f855f1ed5
[INFO] documenting TheAdnan/Nickel-test against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheAdnan%2FNickel-test" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheAdnan/Nickel-test on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheAdnan/Nickel-test
[INFO] finished tweaking git repo https://github.com/TheAdnan/Nickel-test
[INFO] tweaked toml for git repo https://github.com/TheAdnan/Nickel-test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/TheAdnan/Nickel-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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 semver v0.8.0
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded linked-hash-map v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded mustache v0.8.2
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.19
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded data-encoding v1.2.0
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.4
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded scan_fmt v0.1.3
[INFO] [stderr]   Downloaded textnonce v0.6.3
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded nickel v0.10.1
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded bson v0.10.0
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded mongodb v0.3.7
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfb12335ce3e6517fb1ac3c5873f4b2c4b7f0e729c2c1c7e8d1c1a8405a782fc
[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" "dfb12335ce3e6517fb1ac3c5873f4b2c4b7f0e729c2c1c7e8d1c1a8405a782fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfb12335ce3e6517fb1ac3c5873f4b2c4b7f0e729c2c1c7e8d1c1a8405a782fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb12335ce3e6517fb1ac3c5873f4b2c4b7f0e729c2c1c7e8d1c1a8405a782fc", kill_on_drop: false }`
[INFO] [stdout] dfb12335ce3e6517fb1ac3c5873f4b2c4b7f0e729c2c1c7e8d1c1a8405a782fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 06955189994a867e746089466c807359fff1ec7177314f03a8858052ad666780
[INFO] running `Command { std: "docker" "start" "-a" "06955189994a867e746089466c807359fff1ec7177314f03a8858052ad666780", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking serde v1.0.66
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mustache v0.8.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking num-integer v0.1.38
[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-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     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" "06955189994a867e746089466c807359fff1ec7177314f03a8858052ad666780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06955189994a867e746089466c807359fff1ec7177314f03a8858052ad666780", kill_on_drop: false }`
[INFO] [stdout] 06955189994a867e746089466c807359fff1ec7177314f03a8858052ad666780