[INFO] cloning repository https://github.com/mrak/kp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrak/kp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrak%2Fkp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrak%2Fkp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdb2be37edf2698285367fa18f345420ab27381d
[INFO] documenting mrak/kp 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%2Fmrak%2Fkp" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrak/kp 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/mrak/kp
[INFO] finished tweaking git repo https://github.com/mrak/kp
[INFO] tweaked toml for git repo https://github.com/mrak/kp written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mrak/kp 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard-win v2.0.1
[INFO] [stderr]   Downloaded xcb v0.8.1
[INFO] [stderr]   Downloaded clipboard v0.4.2
[INFO] [stderr]   Downloaded x11-clipboard v0.2.1
[INFO] [stderr]   Downloaded ncurses v5.86.0
[INFO] [stderr]   Downloaded cursive v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2aa8f603ac253c24e322154f712067775e906d79df20c9d46b521cac10776d38
[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" "2aa8f603ac253c24e322154f712067775e906d79df20c9d46b521cac10776d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa8f603ac253c24e322154f712067775e906d79df20c9d46b521cac10776d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa8f603ac253c24e322154f712067775e906d79df20c9d46b521cac10776d38", kill_on_drop: false }`
[INFO] [stdout] 2aa8f603ac253c24e322154f712067775e906d79df20c9d46b521cac10776d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c6bd7642f5b7f27eebf864129c2ff4a9f099801b959fa61e9dc5976b7fe84aaa
[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" "c6bd7642f5b7f27eebf864129c2ff4a9f099801b959fa61e9dc5976b7fe84aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling cursive v0.6.4
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking rprompt v1.0.3
[INFO] [stderr]     Checking getopts v0.2.15
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking secstr v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[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" "c6bd7642f5b7f27eebf864129c2ff4a9f099801b959fa61e9dc5976b7fe84aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bd7642f5b7f27eebf864129c2ff4a9f099801b959fa61e9dc5976b7fe84aaa", kill_on_drop: false }`
[INFO] [stdout] c6bd7642f5b7f27eebf864129c2ff4a9f099801b959fa61e9dc5976b7fe84aaa
