[INFO] cloning repository https://github.com/garyemerson/metrics_update
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyemerson/metrics_update" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fmetrics_update", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fmetrics_update'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64e7496b098c8454969c44374412d35255070b18
[INFO] documenting garyemerson/metrics_update 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%2Fgaryemerson%2Fmetrics_update" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garyemerson/metrics_update 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/garyemerson/metrics_update
[INFO] finished tweaking git repo https://github.com/garyemerson/metrics_update
[INFO] tweaked toml for git repo https://github.com/garyemerson/metrics_update written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/garyemerson/metrics_update 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5f4f53c35a91f544d9ff79f00a648e9cb0226cad53b645bad49196281a9ef5f
[INFO] running `Command { std: "docker" "start" "-a" "e5f4f53c35a91f544d9ff79f00a648e9cb0226cad53b645bad49196281a9ef5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5f4f53c35a91f544d9ff79f00a648e9cb0226cad53b645bad49196281a9ef5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f4f53c35a91f544d9ff79f00a648e9cb0226cad53b645bad49196281a9ef5f", kill_on_drop: false }`
[INFO] [stdout] e5f4f53c35a91f544d9ff79f00a648e9cb0226cad53b645bad49196281a9ef5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 827fa7f5bfdd41aa5f28be798c4d9ec8c95789f93eaf24a2baa78b3fc5f793a9
[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" "827fa7f5bfdd41aa5f28be798c4d9ec8c95789f93eaf24a2baa78b3fc5f793a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking md5 v0.3.5
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking nodrop v0.1.10
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking postgres-protocol v0.3.1
[INFO] [stderr]     Checking postgres-shared v0.4.0
[INFO] [stderr]     Checking postgres v0.15.1
[INFO] [stderr]  Documenting metrics_update v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "827fa7f5bfdd41aa5f28be798c4d9ec8c95789f93eaf24a2baa78b3fc5f793a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827fa7f5bfdd41aa5f28be798c4d9ec8c95789f93eaf24a2baa78b3fc5f793a9", kill_on_drop: false }`
[INFO] [stdout] 827fa7f5bfdd41aa5f28be798c4d9ec8c95789f93eaf24a2baa78b3fc5f793a9