[INFO] cloning repository https://github.com/jonfk/ttokei
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonfk/ttokei" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonfk%2Fttokei", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonfk%2Fttokei'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 290c138b84dd79131b1bc61a2fc2871880b645f5
[INFO] documenting jonfk/ttokei 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%2Fjonfk%2Fttokei" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonfk/ttokei 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/jonfk/ttokei
[INFO] finished tweaking git repo https://github.com/jonfk/ttokei
[INFO] tweaked toml for git repo https://github.com/jonfk/ttokei written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jonfk/ttokei 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 ignore v0.2.2
[INFO] [stderr]   Downloaded curl-sys v0.3.15
[INFO] [stderr]   Downloaded infer_schema_internals v1.0.0-beta1
[INFO] [stderr]   Downloaded diesel_infer_schema v1.0.0-beta1
[INFO] [stderr]   Downloaded infer_schema_macros v1.0.0-beta1
[INFO] [stderr]   Downloaded diesel_derives v1.0.0-beta1
[INFO] [stderr]   Downloaded migrations_macros v1.0.0-beta1
[INFO] [stderr]   Downloaded diesel v1.0.0-beta1
[INFO] [stderr]   Downloaded log v0.4.0-rc.1
[INFO] [stderr]   Downloaded tokei v6.1.2
[INFO] [stderr]   Downloaded diesel_migrations v1.0.0-beta1
[INFO] [stderr]   Downloaded errln v0.1.0
[INFO] [stderr]   Downloaded git2 v0.6.9
[INFO] [stderr]   Downloaded migrations_internals v1.0.0-beta1
[INFO] [stderr]   Downloaded libgit2-sys v0.6.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c3d9555de79ac6c74cd7b151359277e4d9b3ad744f99d1b6a8956cc928262c0f
[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" "c3d9555de79ac6c74cd7b151359277e4d9b3ad744f99d1b6a8956cc928262c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d9555de79ac6c74cd7b151359277e4d9b3ad744f99d1b6a8956cc928262c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d9555de79ac6c74cd7b151359277e4d9b3ad744f99d1b6a8956cc928262c0f", kill_on_drop: false }`
[INFO] [stdout] c3d9555de79ac6c74cd7b151359277e4d9b3ad744f99d1b6a8956cc928262c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7a52ff2e0a0f1469e3b8af56a7eef4525d8c3581a947cb58b35ce16eaa2af036
[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" "7a52ff2e0a0f1469e3b8af56a7eef4525d8c3581a947cb58b35ce16eaa2af036", 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]     Checking libc v0.2.34
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling serde v1.0.23
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking errln v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking log v0.4.0-rc.1
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking humantime v1.0.0
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking clap v2.28.0
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.23
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling curl-sys v0.3.15
[INFO] [stderr]    Compiling libgit2-sys v0.6.17
[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] 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" "7a52ff2e0a0f1469e3b8af56a7eef4525d8c3581a947cb58b35ce16eaa2af036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a52ff2e0a0f1469e3b8af56a7eef4525d8c3581a947cb58b35ce16eaa2af036", kill_on_drop: false }`
[INFO] [stdout] 7a52ff2e0a0f1469e3b8af56a7eef4525d8c3581a947cb58b35ce16eaa2af036