[INFO] cloning repository https://github.com/agilestacks/object-spam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agilestacks/object-spam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e05819d8798d54a7c6f0257b6bb7360475a47500
[INFO] documenting agilestacks/object-spam against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agilestacks/object-spam on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agilestacks/object-spam
[INFO] finished tweaking git repo https://github.com/agilestacks/object-spam
[INFO] tweaked toml for git repo https://github.com/agilestacks/object-spam written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/agilestacks/object-spam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.20
[INFO] [stderr]   Downloaded human-size v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.23
[INFO] [stderr]   Downloaded quantiles v0.7.1
[INFO] [stderr]   Downloaded rusoto_credential v0.14.0
[INFO] [stderr]   Downloaded rusoto_core v0.35.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.35.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6619e4028215f22c0f6defb850cf95d777322c477dd77a6b0c3c53ec591ff47
[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" "d6619e4028215f22c0f6defb850cf95d777322c477dd77a6b0c3c53ec591ff47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6619e4028215f22c0f6defb850cf95d777322c477dd77a6b0c3c53ec591ff47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6619e4028215f22c0f6defb850cf95d777322c477dd77a6b0c3c53ec591ff47", kill_on_drop: false }`
[INFO] [stdout] d6619e4028215f22c0f6defb850cf95d777322c477dd77a6b0c3c53ec591ff47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7830c352082a77d8121b51823092fd532c267733bd4201f69ad22f62fce1cf00
[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" "7830c352082a77d8121b51823092fd532c267733bd4201f69ad22f62fce1cf00", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]     Checking quantiles v0.7.1
[INFO] [stderr]     Checking human-size v0.4.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]    Compiling rusoto_core v0.35.0
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking rusoto_credential v0.14.0
[INFO] [stderr]     Checking rusoto_s3 v0.35.0
[INFO] [stderr]  Documenting object-spam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.05s
[INFO] running `Command { std: "docker" "inspect" "7830c352082a77d8121b51823092fd532c267733bd4201f69ad22f62fce1cf00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7830c352082a77d8121b51823092fd532c267733bd4201f69ad22f62fce1cf00", kill_on_drop: false }`
[INFO] [stdout] 7830c352082a77d8121b51823092fd532c267733bd4201f69ad22f62fce1cf00