[INFO] fetching crate tab-command 0.4.0...
[INFO] documenting tab-command-0.4.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate tab-command 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tab-command 0.4.0 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 tab-command 0.4.0
[INFO] finished tweaking crates.io crate tab-command 0.4.0
[INFO] tweaked toml for crates.io crate tab-command 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e16ac7367113c59a8916972a3c5234bd22ef87f7313a3f9c20df6768d55e4aa4
[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" "e16ac7367113c59a8916972a3c5234bd22ef87f7313a3f9c20df6768d55e4aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16ac7367113c59a8916972a3c5234bd22ef87f7313a3f9c20df6768d55e4aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16ac7367113c59a8916972a3c5234bd22ef87f7313a3f9c20df6768d55e4aa4", kill_on_drop: false }`
[INFO] [stdout] e16ac7367113c59a8916972a3c5234bd22ef87f7313a3f9c20df6768d55e4aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 8ebc5d72b2e9ffb039866daec08332c2c6ecdca5fc3edbfbc7dc110b7730fff4
[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" "8ebc5d72b2e9ffb039866daec08332c2c6ecdca5fc3edbfbc7dc110b7730fff4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysinfo v0.15.3
[INFO] [stderr]     Checking mio v0.7.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking snailquote v0.3.0
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking semver-parser v0.10.0
[INFO] [stderr]     Checking lifeline v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking async-tungstenite v0.8.0
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking tab-websocket v0.3.4
[INFO] [stderr]     Checking tab-api v0.4.0
[INFO] [stderr]  Documenting tab-command v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.08s
[INFO] running `Command { std: "docker" "inspect" "8ebc5d72b2e9ffb039866daec08332c2c6ecdca5fc3edbfbc7dc110b7730fff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebc5d72b2e9ffb039866daec08332c2c6ecdca5fc3edbfbc7dc110b7730fff4", kill_on_drop: false }`
[INFO] [stdout] 8ebc5d72b2e9ffb039866daec08332c2c6ecdca5fc3edbfbc7dc110b7730fff4
