[INFO] fetching crate sndcld 0.2.0...
[INFO] documenting sndcld-0.2.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate sndcld 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sndcld 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sndcld 0.2.0
[INFO] finished tweaking crates.io crate sndcld 0.2.0
[INFO] tweaked toml for crates.io crate sndcld 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate sndcld 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dca21872edc5e81dc95f750adf23fc23312c36a3f9d5d2688eae1fe47d19fd4
[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" "7dca21872edc5e81dc95f750adf23fc23312c36a3f9d5d2688eae1fe47d19fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dca21872edc5e81dc95f750adf23fc23312c36a3f9d5d2688eae1fe47d19fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dca21872edc5e81dc95f750adf23fc23312c36a3f9d5d2688eae1fe47d19fd4", kill_on_drop: false }`
[INFO] [stdout] 7dca21872edc5e81dc95f750adf23fc23312c36a3f9d5d2688eae1fe47d19fd4
[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" "+1.47.0" "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] 9a5c5c98c3697bd4923b0631657d7b35e7c6ffd23d3a58fd8a6d3e4497a8b621
[INFO] running `Command { std: "docker" "start" "-a" "9a5c5c98c3697bd4923b0631657d7b35e7c6ffd23d3a58fd8a6d3e4497a8b621", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking indexmap v1.5.0
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting sndcld v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.13s
[INFO] running `Command { std: "docker" "inspect" "9a5c5c98c3697bd4923b0631657d7b35e7c6ffd23d3a58fd8a6d3e4497a8b621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5c5c98c3697bd4923b0631657d7b35e7c6ffd23d3a58fd8a6d3e4497a8b621", kill_on_drop: false }`
[INFO] [stdout] 9a5c5c98c3697bd4923b0631657d7b35e7c6ffd23d3a58fd8a6d3e4497a8b621
