[INFO] cloning repository https://github.com/KengoTODA/mama-ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KengoTODA/mama-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKengoTODA%2Fmama-ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKengoTODA%2Fmama-ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b6926f11abedadc70d80dde3eb9135c0e0f3620
[INFO] documenting KengoTODA/mama-ai against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKengoTODA%2Fmama-ai" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KengoTODA/mama-ai on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KengoTODA/mama-ai
[INFO] finished tweaking git repo https://github.com/KengoTODA/mama-ai
[INFO] tweaked toml for git repo https://github.com/KengoTODA/mama-ai written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/KengoTODA/mama-ai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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
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[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] dd1c997494cbfc4188cf3e63db278a34227dc93a199639472005ac31a8f2ba68
[INFO] running `Command { std: "docker" "start" "-a" "dd1c997494cbfc4188cf3e63db278a34227dc93a199639472005ac31a8f2ba68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd1c997494cbfc4188cf3e63db278a34227dc93a199639472005ac31a8f2ba68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1c997494cbfc4188cf3e63db278a34227dc93a199639472005ac31a8f2ba68", kill_on_drop: false }`
[INFO] [stdout] dd1c997494cbfc4188cf3e63db278a34227dc93a199639472005ac31a8f2ba68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "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] 1daf9d376f554dee1428af83b65644d14baa4d454b9d2f1d670d4e51708e31a0
[INFO] running `Command { std: "docker" "start" "-a" "1daf9d376f554dee1428af83b65644d14baa4d454b9d2f1d670d4e51708e31a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking md5 v0.3.7
[INFO] [stderr]     Checking fallible-iterator v0.1.4
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[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-1.6.0/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]     Checking bytes v0.4.6
[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" "1daf9d376f554dee1428af83b65644d14baa4d454b9d2f1d670d4e51708e31a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1daf9d376f554dee1428af83b65644d14baa4d454b9d2f1d670d4e51708e31a0", kill_on_drop: false }`
[INFO] [stdout] 1daf9d376f554dee1428af83b65644d14baa4d454b9d2f1d670d4e51708e31a0
