[INFO] cloning repository https://github.com/birkenfeld/cachereg_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/birkenfeld/cachereg_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirkenfeld%2Fcachereg_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirkenfeld%2Fcachereg_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c1ff8114cd8f0f206e3ace783ba14897f4cb892
[INFO] documenting birkenfeld/cachereg_rs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirkenfeld%2Fcachereg_rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/birkenfeld/cachereg_rs on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/birkenfeld/cachereg_rs
[INFO] finished tweaking git repo https://github.com/birkenfeld/cachereg_rs
[INFO] tweaked toml for git repo https://github.com/birkenfeld/cachereg_rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/birkenfeld/cachereg_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b222be075b6218bebb13a3811472108efabc8be7f08bd1da13fe1cfb252b36dd
[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" "b222be075b6218bebb13a3811472108efabc8be7f08bd1da13fe1cfb252b36dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b222be075b6218bebb13a3811472108efabc8be7f08bd1da13fe1cfb252b36dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b222be075b6218bebb13a3811472108efabc8be7f08bd1da13fe1cfb252b36dd", kill_on_drop: false }`
[INFO] [stdout] b222be075b6218bebb13a3811472108efabc8be7f08bd1da13fe1cfb252b36dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f74b334b6fa337cac66111f295fbe64aa8b5f2d6e1e580619616f7a54d309381
[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" "f74b334b6fa337cac66111f295fbe64aa8b5f2d6e1e580619616f7a54d309381", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]    Compiling libsystemd-sys v0.2.2
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cstr-argument v0.0.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]     Checking systemd v0.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]     Checking structopt v0.3.0
[INFO] [stderr]    Compiling interfaces v0.0.4
[INFO] [stderr]     Checking mlzutil v0.1.1
[INFO] [stderr]  Documenting cachereg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `parse` argument must be a function path
[INFO] [stdout]   --> src/main.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 parse(try_from_str = "mlzutil::net::iface::parse_interface"))]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `cachereg`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name cachereg 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 interfaces=/opt/rustwide/target/debug/deps/libinterfaces-c4450dc7b8740cc3.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-73430f19bfb49216.rmeta --extern mlzutil=/opt/rustwide/target/debug/deps/libmlzutil-831eb1a03d10f9fa.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-72391a4c11b1731a.rmeta --extern systemd=/opt/rustwide/target/debug/deps/libsystemd-7f5cdfccb16f1183.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "f74b334b6fa337cac66111f295fbe64aa8b5f2d6e1e580619616f7a54d309381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74b334b6fa337cac66111f295fbe64aa8b5f2d6e1e580619616f7a54d309381", kill_on_drop: false }`
[INFO] [stdout] f74b334b6fa337cac66111f295fbe64aa8b5f2d6e1e580619616f7a54d309381