[INFO] cloning repository https://github.com/teddywing/kipper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teddywing/kipper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteddywing%2Fkipper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteddywing%2Fkipper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f7c22a6ddf98a483946c1994d203747b00b51cc
[INFO] documenting teddywing/kipper 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%2Fteddywing%2Fkipper" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teddywing/kipper 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/teddywing/kipper
[INFO] finished tweaking git repo https://github.com/teddywing/kipper
[INFO] tweaked toml for git repo https://github.com/teddywing/kipper written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/teddywing/kipper 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc v1.5.0
[INFO] [stderr]   Downloaded libflate v0.1.12
[INFO] [stderr]   Downloaded http-muncher v0.3.1
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded buf_redux v0.1.3
[INFO] [stderr]   Downloaded mime_guess v1.5.0
[INFO] [stderr]   Downloaded mockito v0.9.0
[INFO] [stderr]   Downloaded serde_json v1.0.5
[INFO] [stderr]   Downloaded openssl v0.9.20
[INFO] [stderr]   Downloaded tiny_http v0.5.8
[INFO] [stderr]   Downloaded brotli-sys v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.19
[INFO] [stderr]   Downloaded openssl-sys v0.9.20
[INFO] [stderr]   Downloaded brotli2 v0.2.2
[INFO] [stderr]   Downloaded multipart v0.5.1
[INFO] [stderr]   Downloaded json v0.11.10
[INFO] [stderr]   Downloaded crc-core v0.1.0
[INFO] [stderr]   Downloaded stderrlog v0.2.3
[INFO] [stderr]   Downloaded rouille v1.0.3
[INFO] [stderr]   Downloaded filetime v0.1.14
[INFO] [stderr]   Downloaded reqwest v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 1b7724dfc1101efa18fa10d9f09de1eb62cc006a4a9ebea8ba0f31c0005d1a49
[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" "1b7724dfc1101efa18fa10d9f09de1eb62cc006a4a9ebea8ba0f31c0005d1a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7724dfc1101efa18fa10d9f09de1eb62cc006a4a9ebea8ba0f31c0005d1a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7724dfc1101efa18fa10d9f09de1eb62cc006a4a9ebea8ba0f31c0005d1a49", kill_on_drop: false }`
[INFO] [stdout] 1b7724dfc1101efa18fa10d9f09de1eb62cc006a4a9ebea8ba0f31c0005d1a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 57617da71eb78abded1921fbb37c34410fd11034fa55028843932812f9acbdc3
[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" "57617da71eb78abded1921fbb37c34410fd11034fa55028843932812f9acbdc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking build_const v0.2.0
[INFO] [stderr]     Checking buf_redux v0.1.3
[INFO] [stderr]     Checking getopts v0.2.15
[INFO] [stderr]     Checking json v0.11.10
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stdout]      |
[INFO] [stdout] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 982  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[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 E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts` 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" "57617da71eb78abded1921fbb37c34410fd11034fa55028843932812f9acbdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57617da71eb78abded1921fbb37c34410fd11034fa55028843932812f9acbdc3", kill_on_drop: false }`
[INFO] [stdout] 57617da71eb78abded1921fbb37c34410fd11034fa55028843932812f9acbdc3
