[INFO] cloning repository https://github.com/purple-phoenix/monitors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/purple-phoenix/monitors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurple-phoenix%2Fmonitors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurple-phoenix%2Fmonitors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80e23943b254aebf8a7c988c82ad4496bf77edfa
[INFO] documenting purple-phoenix/monitors against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurple-phoenix%2Fmonitors" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/purple-phoenix/monitors on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/purple-phoenix/monitors
[INFO] finished tweaking git repo https://github.com/purple-phoenix/monitors
[INFO] tweaked toml for git repo https://github.com/purple-phoenix/monitors written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/purple-phoenix/monitors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 104867a7958137d1eefb0b02748646bd219bb5df8e798e10e45aea5c805c4b76
[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" "104867a7958137d1eefb0b02748646bd219bb5df8e798e10e45aea5c805c4b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "104867a7958137d1eefb0b02748646bd219bb5df8e798e10e45aea5c805c4b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104867a7958137d1eefb0b02748646bd219bb5df8e798e10e45aea5c805c4b76", kill_on_drop: false }`
[INFO] [stdout] 104867a7958137d1eefb0b02748646bd219bb5df8e798e10e45aea5c805c4b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6630dc1039fafcb41635578110807d5bbfde7e82dfec562376763cb93d80e264
[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" "6630dc1039fafcb41635578110807d5bbfde7e82dfec562376763cb93d80e264", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling sysinfo v0.15.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]  Documenting monitors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `MONITOR_CONFIG_DIR` not defined
[INFO] [stdout]  --> src/main.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let monitor_config_dir = env!("MONITOR_CONFIG_DIR");
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `monitors`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name monitors src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern dirs=/opt/rustwide/target/debug/deps/libdirs-215b533c88bc585a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-0879519133e6417a.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-0f04a57b7527a6e0.rmeta --extern sysinfo=/opt/rustwide/target/debug/deps/libsysinfo-1c1b01b2e138f109.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6630dc1039fafcb41635578110807d5bbfde7e82dfec562376763cb93d80e264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6630dc1039fafcb41635578110807d5bbfde7e82dfec562376763cb93d80e264", kill_on_drop: false }`
[INFO] [stdout] 6630dc1039fafcb41635578110807d5bbfde7e82dfec562376763cb93d80e264
