[INFO] cloning repository https://github.com/Happy-Ferret/synapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Happy-Ferret/synapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappy-Ferret%2Fsynapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappy-Ferret%2Fsynapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac92bb424c3d7d99905f4c0988c924001b688080
[INFO] documenting Happy-Ferret/synapse against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappy-Ferret%2Fsynapse" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Happy-Ferret/synapse on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Happy-Ferret/synapse
[INFO] finished tweaking git repo https://github.com/Happy-Ferret/synapse
[INFO] tweaked toml for git repo https://github.com/Happy-Ferret/synapse written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Happy-Ferret/synapse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-1/source/Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded bincode v0.8.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded websocket v0.20.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.17
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded vcpkg v0.2.2
[INFO] [stderr]   Downloaded untrusted v0.5.0
[INFO] [stderr]   Downloaded adler32 v1.0.1
[INFO] [stderr]   Downloaded slog-async v2.0.1
[INFO] [stderr]   Downloaded tokio-io v0.1.3
[INFO] [stderr]   Downloaded mime v0.3.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.26
[INFO] [stderr]   Downloaded net2 v0.2.30
[INFO] [stderr]   Downloaded slog-term v2.0.2
[INFO] [stderr]   Downloaded encode_unicode v0.3.1
[INFO] [stderr]   Downloaded schannel v0.1.7
[INFO] [stderr]   Downloaded textwrap v0.7.0
[INFO] [stderr]   Downloaded reqwest v0.7.2
[INFO] [stderr]   Downloaded itertools v0.6.1
[INFO] [stderr]   Downloaded futures-cpupool v0.1.5
[INFO] [stderr]   Downloaded crypt32-sys v0.2.0
[INFO] [stderr]   Downloaded secur32-sys v0.2.0
[INFO] [stderr]   Downloaded slog v2.0.6
[INFO] [stderr]   Downloaded bytes v0.4.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.11
[INFO] [stderr]   Downloaded base32 v0.3.1
[INFO] [stderr]   Downloaded unicase v2.0.0
[INFO] [stderr]   Downloaded tokio-core v0.1.9
[INFO] [stderr]   Downloaded backtrace v0.3.2
[INFO] [stderr]   Downloaded libflate v0.1.11
[INFO] [stderr]   Downloaded take_mut v0.1.3
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded serde_derive v1.0.10
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded openssl v0.9.17
[INFO] [stderr]   Downloaded libc v0.2.26
[INFO] [stderr]   Downloaded native-tls v0.1.4
[INFO] [stderr]   Downloaded hyper v0.11.2
[INFO] [stderr]   Downloaded mio v0.6.10
[INFO] [stderr]   Downloaded clap v2.26.0
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded amy v0.8.1
[INFO] [stderr]   Downloaded c-ares v2.0.0
[INFO] [stderr]   Downloaded signal v0.3.2
[INFO] [stderr]   Downloaded hyper-tls v0.1.2
[INFO] [stderr]   Downloaded tokio-tls v0.1.3
[INFO] [stderr]   Downloaded lazycell v0.5.1
[INFO] [stderr]   Downloaded c-ares-sys v2.0.0
[INFO] [stderr]   Downloaded foreign-types v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03434f82964daa570d4608ab177ad670aa7ab7f49f4fcee1c60be423287b129a
[INFO] running `Command { std: "docker" "start" "-a" "03434f82964daa570d4608ab177ad670aa7ab7f49f4fcee1c60be423287b129a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03434f82964daa570d4608ab177ad670aa7ab7f49f4fcee1c60be423287b129a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03434f82964daa570d4608ab177ad670aa7ab7f49f4fcee1c60be423287b129a", kill_on_drop: false }`
[INFO] [stdout] 03434f82964daa570d4608ab177ad670aa7ab7f49f4fcee1c60be423287b129a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 738e92af684c2a51042c13ff93631c3230ea96683687ad3fd92c2f78f1907f72
[INFO] running `Command { std: "docker" "start" "-a" "738e92af684c2a51042c13ff93631c3230ea96683687ad3fd92c2f78f1907f72", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking num-traits v0.2.0-git (https://github.com/rust-num/num?branch=next#eec5f575)
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking slog v2.0.6
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking take_mut v0.1.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking untrusted v0.5.0
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking base32 v0.3.1
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking num-integer v0.2.0-git (https://github.com/rust-num/num?branch=next#eec5f575)
[INFO] [stderr]     Checking slog-async v2.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking c-types v1.1.1
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking num-iter v0.2.0-git (https://github.com/rust-num/num?branch=next#eec5f575)
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling rayon v0.7.1
[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-1.5.1/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] [stderr]    Compiling serde_derive v1.0.10
[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" "738e92af684c2a51042c13ff93631c3230ea96683687ad3fd92c2f78f1907f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738e92af684c2a51042c13ff93631c3230ea96683687ad3fd92c2f78f1907f72", kill_on_drop: false }`
[INFO] [stdout] 738e92af684c2a51042c13ff93631c3230ea96683687ad3fd92c2f78f1907f72
