[INFO] cloning repository https://github.com/eightbitraptor/otaku_v2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eightbitraptor/otaku_v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightbitraptor%2Fotaku_v2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightbitraptor%2Fotaku_v2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70de041ceb02174e49740d6f553125496a7352bc
[INFO] documenting eightbitraptor/otaku_v2 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%2Feightbitraptor%2Fotaku_v2" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eightbitraptor/otaku_v2 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/eightbitraptor/otaku_v2
[INFO] finished tweaking git repo https://github.com/eightbitraptor/otaku_v2
[INFO] tweaked toml for git repo https://github.com/eightbitraptor/otaku_v2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/eightbitraptor/otaku_v2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded security-framework-sys v0.1.16
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded vcpkg v0.2.3
[INFO] [stderr]   Downloaded hyper-tls v0.1.3
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.3.2
[INFO] [stderr]   Downloaded serde v1.0.59
[INFO] [stderr]   Downloaded inflate v0.4.2
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded tokio-tcp v0.1.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.1
[INFO] [stderr]   Downloaded native-tls v0.1.5
[INFO] [stderr]   Downloaded tokio-fs v0.1.0
[INFO] [stderr]   Downloaded nanoid v0.2.0
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded openssl-sys v0.9.31
[INFO] [stderr]   Downloaded quote v0.6.2
[INFO] [stderr]   Downloaded security-framework v0.1.16
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
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[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded tokio-timer v0.2.3
[INFO] [stderr]   Downloaded tokio v0.1.6
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded tokio-udp v0.1.0
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded libflate v0.1.14
[INFO] [stderr]   Downloaded bytes v0.4.7
[INFO] [stderr]   Downloaded slab v0.4.0
[INFO] [stderr]   Downloaded futures v0.1.21
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded sqlite3-src v0.2.9
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.3
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded reqwest v0.8.5
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded sqlite3-sys v0.12.0
[INFO] [stderr]   Downloaded base64 v0.9.1
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.14
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.2
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.3
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] [stderr]   Downloaded openssl v0.9.24
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded tokio-executor v0.1.2
[INFO] [stderr]   Downloaded sqlite v0.23.9
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.1
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded hyper v0.11.27
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded syn v0.14.0
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded mime v0.3.7
[INFO] [stderr]   Downloaded xdg v2.1.0
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded schannel v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d1cab34bdbbf0003a149b8819f608a166fefff63cf1523f0a01e561a1f49d64b
[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" "d1cab34bdbbf0003a149b8819f608a166fefff63cf1523f0a01e561a1f49d64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1cab34bdbbf0003a149b8819f608a166fefff63cf1523f0a01e561a1f49d64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1cab34bdbbf0003a149b8819f608a166fefff63cf1523f0a01e561a1f49d64b", kill_on_drop: false }`
[INFO] [stdout] d1cab34bdbbf0003a149b8819f608a166fefff63cf1523f0a01e561a1f49d64b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 7c62d9ee99596126b673080aaf66c3f1d157309fa89f07216c9e9a393cb5cb0a
[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" "7c62d9ee99596126b673080aaf66c3f1d157309fa89f07216c9e9a393cb5cb0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking base64 v0.9.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking phf_shared v0.7.22
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mime v0.3.7
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.31
[INFO] [stderr]    Compiling sqlite3-src v0.2.9
[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" "7c62d9ee99596126b673080aaf66c3f1d157309fa89f07216c9e9a393cb5cb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c62d9ee99596126b673080aaf66c3f1d157309fa89f07216c9e9a393cb5cb0a", kill_on_drop: false }`
[INFO] [stdout] 7c62d9ee99596126b673080aaf66c3f1d157309fa89f07216c9e9a393cb5cb0a