[INFO] cloning repository https://github.com/spacekookie/thingymabobby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacekookie/thingymabobby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fthingymabobby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fthingymabobby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bf7891b977ec60c0909fe6bbcf68457b6d5e8aa
[INFO] documenting spacekookie/thingymabobby 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%2Fspacekookie%2Fthingymabobby" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spacekookie/thingymabobby 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/spacekookie/thingymabobby
[INFO] finished tweaking git repo https://github.com/spacekookie/thingymabobby
[INFO] tweaked toml for git repo https://github.com/spacekookie/thingymabobby written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/spacekookie/thingymabobby 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.4
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded remove_dir_all v0.3.0
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded stable_deref_trait v1.0.0
[INFO] [stderr]   Downloaded utf-8 v0.7.2
[INFO] [stderr]   Downloaded markup5ever v0.7.2
[INFO] [stderr]   Downloaded cssparser v0.23.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.6
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.5
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] [stderr]   Downloaded html5ever v0.22.0
[INFO] [stderr]   Downloaded generic-array v0.8.3
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.0
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded backtrace v0.3.5
[INFO] [stderr]   Downloaded hyper v0.11.18
[INFO] [stderr]   Downloaded tendril v0.4.0
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded typenum v1.9.0
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded futf v0.1.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded crc v1.7.0
[INFO] [stderr]   Downloaded string_cache v0.7.1
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded phf_shared v0.7.21
[INFO] [stderr]   Downloaded dtoa-short v0.3.1
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded selectors v0.19.0
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.3
[INFO] [stderr]   Downloaded libflate v0.1.14
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.27
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded reqwest v0.8.5
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded base64 v0.9.0
[INFO] [stderr]   Downloaded mio v0.6.13
[INFO] [stderr]   Downloaded smallvec v0.6.0
[INFO] [stderr]   Downloaded schannel v0.1.10
[INFO] [stderr]   Downloaded tempdir v0.3.6
[INFO] [stderr]   Downloaded sha-1 v0.4.1
[INFO] [stderr]   Downloaded hmac v0.4.2
[INFO] [stderr]   Downloaded tokio-io v0.1.5
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded build_const v0.2.0
[INFO] [stderr]   Downloaded kuchiki v0.7.0
[INFO] [stderr]   Downloaded siphasher v0.2.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded itoa v0.3.4
[INFO] [stderr]   Downloaded tokio-core v0.1.12
[INFO] [stderr]   Downloaded servo_arc v0.1.0
[INFO] [stderr]   Downloaded cssparser-macros v0.3.0
[INFO] [stderr]   Downloaded phf v0.7.21
[INFO] [stderr]   Downloaded daumdic v0.3.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.26
[INFO] [stderr]   Downloaded egg-mode v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6c89dd01a81a552044e2c45a26f51414a28d428feb92f7bad7dda8e36efe2d7
[INFO] running `Command { std: "docker" "start" "-a" "c6c89dd01a81a552044e2c45a26f51414a28d428feb92f7bad7dda8e36efe2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c89dd01a81a552044e2c45a26f51414a28d428feb92f7bad7dda8e36efe2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c89dd01a81a552044e2c45a26f51414a28d428feb92f7bad7dda8e36efe2d7", kill_on_drop: false }`
[INFO] [stdout] c6c89dd01a81a552044e2c45a26f51414a28d428feb92f7bad7dda8e36efe2d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38843c8372b27f6606cd8b1f02c806a3b543366694b5254cd33210c7f23e18db
[INFO] running `Command { std: "docker" "start" "-a" "38843c8372b27f6606cd8b1f02c806a3b543366694b5254cd33210c7f23e18db", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.5
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking rustc-demangle v0.1.6
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.26
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking dtoa-short v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking servo_arc v0.1.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[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` 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" "38843c8372b27f6606cd8b1f02c806a3b543366694b5254cd33210c7f23e18db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38843c8372b27f6606cd8b1f02c806a3b543366694b5254cd33210c7f23e18db", kill_on_drop: false }`
[INFO] [stdout] 38843c8372b27f6606cd8b1f02c806a3b543366694b5254cd33210c7f23e18db
