[INFO] cloning repository https://github.com/darkwater/vinyl-indexer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darkwater/vinyl-indexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fvinyl-indexer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fvinyl-indexer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcad9d229501f7821a5f26c8f97e829246b17a6f
[INFO] documenting darkwater/vinyl-indexer against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fvinyl-indexer" "/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/darkwater/vinyl-indexer on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/darkwater/vinyl-indexer
[INFO] finished tweaking git repo https://github.com/darkwater/vinyl-indexer
[INFO] tweaked toml for git repo https://github.com/darkwater/vinyl-indexer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/darkwater/vinyl-indexer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 cc v1.0.6
[INFO] [stderr]   Downloaded id3 v0.2.3
[INFO] [stderr]   Downloaded metaflac v0.1.8
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 9fb373879a4757b967e4af373f4d02e625035ada482e0a17ea241349eb388617
[INFO] running `Command { std: "docker" "start" "-a" "9fb373879a4757b967e4af373f4d02e625035ada482e0a17ea241349eb388617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fb373879a4757b967e4af373f4d02e625035ada482e0a17ea241349eb388617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb373879a4757b967e4af373f4d02e625035ada482e0a17ea241349eb388617", kill_on_drop: false }`
[INFO] [stdout] 9fb373879a4757b967e4af373f4d02e625035ada482e0a17ea241349eb388617
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] da82a5cdc3a2d8dbf813d94fe935f4e7b022647913f8ae815341eb7c0224bc66
[INFO] running `Command { std: "docker" "start" "-a" "da82a5cdc3a2d8dbf813d94fe935f4e7b022647913f8ae815341eb7c0224bc66", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking metaflac v0.1.8
[INFO] [stderr]     Checking id3 v0.2.3
[INFO] [stderr]  Documenting vinyl-indexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.88s
[INFO] running `Command { std: "docker" "inspect" "da82a5cdc3a2d8dbf813d94fe935f4e7b022647913f8ae815341eb7c0224bc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da82a5cdc3a2d8dbf813d94fe935f4e7b022647913f8ae815341eb7c0224bc66", kill_on_drop: false }`
[INFO] [stdout] da82a5cdc3a2d8dbf813d94fe935f4e7b022647913f8ae815341eb7c0224bc66