[INFO] cloning repository https://github.com/program247365/looper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/program247365/looper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogram247365%2Flooper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogram247365%2Flooper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b40d15d800153551d1b1d6b7e7ffce130d0057
[INFO] documenting program247365/looper against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogram247365%2Flooper" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/program247365/looper on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/program247365/looper
[INFO] finished tweaking git repo https://github.com/program247365/looper
[INFO] tweaked toml for git repo https://github.com/program247365/looper written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/program247365/looper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] c620e0b7633131a6c87fcdcd56ecdd9490c697254bc2aba204369c63bc3d4f3a
[INFO] running `Command { std: "docker" "start" "-a" "c620e0b7633131a6c87fcdcd56ecdd9490c697254bc2aba204369c63bc3d4f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c620e0b7633131a6c87fcdcd56ecdd9490c697254bc2aba204369c63bc3d4f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c620e0b7633131a6c87fcdcd56ecdd9490c697254bc2aba204369c63bc3d4f3a", kill_on_drop: false }`
[INFO] [stdout] c620e0b7633131a6c87fcdcd56ecdd9490c697254bc2aba204369c63bc3d4f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 95dc5f6d11cf1bf387c421bc8459648b062313da44d1c9a276759407ed5c7696
[INFO] running `Command { std: "docker" "start" "-a" "95dc5f6d11cf1bf387c421bc8459648b062313da44d1c9a276759407ed5c7696", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling mpg123-sys v0.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling out123-sys v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking play v0.5.3
[INFO] [stderr]  Documenting looper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/main.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// Visit https://kbr.sh/looper for more!
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://kbr.sh/looper>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "95dc5f6d11cf1bf387c421bc8459648b062313da44d1c9a276759407ed5c7696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dc5f6d11cf1bf387c421bc8459648b062313da44d1c9a276759407ed5c7696", kill_on_drop: false }`
[INFO] [stdout] 95dc5f6d11cf1bf387c421bc8459648b062313da44d1c9a276759407ed5c7696