[INFO] cloning repository https://github.com/Diiso/rust_guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Diiso/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiiso%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiiso%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1245ae96dc2b1c6a0ce28fbb2ce038ffd3df9140
[INFO] documenting Diiso/rust_guessing_game 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%2FDiiso%2Frust_guessing_game" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  93% (12901/13757)   
Checking out files:  94% (12932/13757)   
Checking out files:  95% (13070/13757)   
Checking out files:  96% (13207/13757)   
Checking out files:  97% (13345/13757)   
Checking out files:  98% (13482/13757)   
Checking out files:  99% (13620/13757)   
Checking out files: 100% (13757/13757)   
Checking out files: 100% (13757/13757), done.
[INFO] validating manifest of git repo https://github.com/Diiso/rust_guessing_game 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/Diiso/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/Diiso/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/Diiso/rust_guessing_game written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Diiso/rust_guessing_game 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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f676a91d7fd2a35121ff6a52013b3655226bae5710aa9bc4c91472d56641e04b
[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" "f676a91d7fd2a35121ff6a52013b3655226bae5710aa9bc4c91472d56641e04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f676a91d7fd2a35121ff6a52013b3655226bae5710aa9bc4c91472d56641e04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f676a91d7fd2a35121ff6a52013b3655226bae5710aa9bc4c91472d56641e04b", kill_on_drop: false }`
[INFO] [stdout] f676a91d7fd2a35121ff6a52013b3655226bae5710aa9bc4c91472d56641e04b
[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" "+1.46.0" "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] b99567054a9c564391b9d4c84d3cb73f21289781f648115da6360f7661e39323
[INFO] running `Command { std: "docker" "start" "-a" "b99567054a9c564391b9d4c84d3cb73f21289781f648115da6360f7661e39323", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]  Documenting guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "b99567054a9c564391b9d4c84d3cb73f21289781f648115da6360f7661e39323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99567054a9c564391b9d4c84d3cb73f21289781f648115da6360f7661e39323", kill_on_drop: false }`
[INFO] [stdout] b99567054a9c564391b9d4c84d3cb73f21289781f648115da6360f7661e39323