[INFO] cloning repository https://github.com/balajisivaraman/realword-warp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/balajisivaraman/realword-warp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalajisivaraman%2Frealword-warp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalajisivaraman%2Frealword-warp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7279bdfd3d93d81650074a3192f86ba8cdb2d64e
[INFO] documenting balajisivaraman/realword-warp 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%2Fbalajisivaraman%2Frealword-warp" "/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/balajisivaraman/realword-warp 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/balajisivaraman/realword-warp
[INFO] finished tweaking git repo https://github.com/balajisivaraman/realword-warp
[INFO] tweaked toml for git repo https://github.com/balajisivaraman/realword-warp written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/balajisivaraman/realword-warp 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 digest v0.7.5
[INFO] [stderr]   Downloaded utf-8 v0.7.4
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded hyper v0.12.7
[INFO] [stderr]   Downloaded http v0.1.8
[INFO] [stderr]   Downloaded tungstenite v0.6.0
[INFO] [stderr]   Downloaded warp v0.1.0
[INFO] [stderr]   Downloaded h2 v0.1.11
[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" "+beta-2020-08-29" "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] ebc764afc1caed4005835f69307c5d6ecaa8bc1e0b7c7aeaf2c223ce9028d01d
[INFO] running `Command { std: "docker" "start" "-a" "ebc764afc1caed4005835f69307c5d6ecaa8bc1e0b7c7aeaf2c223ce9028d01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebc764afc1caed4005835f69307c5d6ecaa8bc1e0b7c7aeaf2c223ce9028d01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc764afc1caed4005835f69307c5d6ecaa8bc1e0b7c7aeaf2c223ce9028d01d", kill_on_drop: false }`
[INFO] [stdout] ebc764afc1caed4005835f69307c5d6ecaa8bc1e0b7c7aeaf2c223ce9028d01d
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5de535345596d73f4a6ec59a9eb2aab4dfbfd16c2257b4a9a12b0ed731b350cc
[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" "5de535345596d73f4a6ec59a9eb2aab4dfbfd16c2257b4a9a12b0ed731b350cc", kill_on_drop: false }`
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking http v0.1.8
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking h2 v0.1.11
[INFO] [stderr]     Checking hyper v0.12.7
[INFO] [stderr]     Checking warp v0.1.0
[INFO] [stderr]  Documenting realword-warp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.34s
[INFO] running `Command { std: "docker" "inspect" "5de535345596d73f4a6ec59a9eb2aab4dfbfd16c2257b4a9a12b0ed731b350cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de535345596d73f4a6ec59a9eb2aab4dfbfd16c2257b4a9a12b0ed731b350cc", kill_on_drop: false }`
[INFO] [stdout] 5de535345596d73f4a6ec59a9eb2aab4dfbfd16c2257b4a9a12b0ed731b350cc