[INFO] fetching crate rustian-roulette 0.1.2...
[INFO] documenting rustian-roulette-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rustian-roulette 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustian-roulette 0.1.2 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 crates.io crate rustian-roulette 0.1.2
[INFO] finished tweaking crates.io crate rustian-roulette 0.1.2
[INFO] tweaked toml for crates.io crate rustian-roulette 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f9f7048f60e3b10ab284cea4fd8e0bea37ea2aadb139271278f6e18a955fab39
[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" "f9f7048f60e3b10ab284cea4fd8e0bea37ea2aadb139271278f6e18a955fab39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9f7048f60e3b10ab284cea4fd8e0bea37ea2aadb139271278f6e18a955fab39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f7048f60e3b10ab284cea4fd8e0bea37ea2aadb139271278f6e18a955fab39", kill_on_drop: false }`
[INFO] [stdout] f9f7048f60e3b10ab284cea4fd8e0bea37ea2aadb139271278f6e18a955fab39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ae16e69050a810e8ebc0aca28115885bc866563548332a3e9472e6c4891a360b
[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" "ae16e69050a810e8ebc0aca28115885bc866563548332a3e9472e6c4891a360b", kill_on_drop: false }`
[INFO] [stderr]     Checking rustian-roulette v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rustian-roulette v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/cmd.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let home = env::home_dir().expect("could not get home dir");
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "ae16e69050a810e8ebc0aca28115885bc866563548332a3e9472e6c4891a360b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae16e69050a810e8ebc0aca28115885bc866563548332a3e9472e6c4891a360b", kill_on_drop: false }`
[INFO] [stdout] ae16e69050a810e8ebc0aca28115885bc866563548332a3e9472e6c4891a360b