[INFO] fetching crate racer-cargo-metadata 0.1.1...
[INFO] documenting racer-cargo-metadata-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate racer-cargo-metadata 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate racer-cargo-metadata 0.1.1 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 racer-cargo-metadata 0.1.1
[INFO] finished tweaking crates.io crate racer-cargo-metadata 0.1.1
[INFO] tweaked toml for crates.io crate racer-cargo-metadata 0.1.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cf198b6d184c26ca2c4e24b451a9fe36c23f03ec0d7b74e50ff6265ed62a74c0
[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" "cf198b6d184c26ca2c4e24b451a9fe36c23f03ec0d7b74e50ff6265ed62a74c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf198b6d184c26ca2c4e24b451a9fe36c23f03ec0d7b74e50ff6265ed62a74c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf198b6d184c26ca2c4e24b451a9fe36c23f03ec0d7b74e50ff6265ed62a74c0", kill_on_drop: false }`
[INFO] [stdout] cf198b6d184c26ca2c4e24b451a9fe36c23f03ec0d7b74e50ff6265ed62a74c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 93c8d8b53ae918fe773fe2a78fe021b9a48d5793c7083603b3bd329fb91f7e14
[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" "93c8d8b53ae918fe773fe2a78fe021b9a48d5793c7083603b3bd329fb91f7e14", kill_on_drop: false }`
[INFO] [stderr]     Checking racer-interner v0.1.0
[INFO] [stderr]  Documenting racer-cargo-metadata v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "93c8d8b53ae918fe773fe2a78fe021b9a48d5793c7083603b3bd329fb91f7e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c8d8b53ae918fe773fe2a78fe021b9a48d5793c7083603b3bd329fb91f7e14", kill_on_drop: false }`
[INFO] [stdout] 93c8d8b53ae918fe773fe2a78fe021b9a48d5793c7083603b3bd329fb91f7e14