[INFO] fetching crate swf-tree 0.9.0...
[INFO] documenting swf-tree-0.9.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate swf-tree 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate swf-tree 0.9.0 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 swf-tree 0.9.0
[INFO] finished tweaking crates.io crate swf-tree 0.9.0
[INFO] tweaked toml for crates.io crate swf-tree 0.9.0 written to /workspace/builds/worker-8/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] 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 33e6fba3d8ad84e157ff2a4c7e1951b4f438342677c1408e9365a148fcbb8fe2
[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" "33e6fba3d8ad84e157ff2a4c7e1951b4f438342677c1408e9365a148fcbb8fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e6fba3d8ad84e157ff2a4c7e1951b4f438342677c1408e9365a148fcbb8fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e6fba3d8ad84e157ff2a4c7e1951b4f438342677c1408e9365a148fcbb8fe2", kill_on_drop: false }`
[INFO] [stdout] 33e6fba3d8ad84e157ff2a4c7e1951b4f438342677c1408e9365a148fcbb8fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 14786ae93d80dfa82e2c10e3ada26cbdd66a961e1910ff6be27ce3fa6f5992e4
[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" "14786ae93d80dfa82e2c10e3ada26cbdd66a961e1910ff6be27ce3fa6f5992e4", kill_on_drop: false }`
[INFO] [stderr]     Checking swf-fixed v0.1.5
[INFO] [stderr]  Documenting swf-tree v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "14786ae93d80dfa82e2c10e3ada26cbdd66a961e1910ff6be27ce3fa6f5992e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14786ae93d80dfa82e2c10e3ada26cbdd66a961e1910ff6be27ce3fa6f5992e4", kill_on_drop: false }`
[INFO] [stdout] 14786ae93d80dfa82e2c10e3ada26cbdd66a961e1910ff6be27ce3fa6f5992e4
