[INFO] fetching crate init_tree 0.2.2...
[INFO] documenting init_tree-0.2.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate init_tree 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate init_tree 0.2.2 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 init_tree 0.2.2
[INFO] finished tweaking crates.io crate init_tree 0.2.2
[INFO] tweaked toml for crates.io crate init_tree 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate init_tree 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2ad80aefa41a643c3ba99841fd4c01b41eed4985ec199c8233602a123aa3898d
[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" "2ad80aefa41a643c3ba99841fd4c01b41eed4985ec199c8233602a123aa3898d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ad80aefa41a643c3ba99841fd4c01b41eed4985ec199c8233602a123aa3898d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad80aefa41a643c3ba99841fd4c01b41eed4985ec199c8233602a123aa3898d", kill_on_drop: false }`
[INFO] [stdout] 2ad80aefa41a643c3ba99841fd4c01b41eed4985ec199c8233602a123aa3898d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 503afa3dc649618b1253d4f21ec55aa4869cbc34353225b53e7231fa6ee039cf
[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" "503afa3dc649618b1253d4f21ec55aa4869cbc34353225b53e7231fa6ee039cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking init_tree v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting init_tree v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.34s
[INFO] running `Command { std: "docker" "inspect" "503afa3dc649618b1253d4f21ec55aa4869cbc34353225b53e7231fa6ee039cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503afa3dc649618b1253d4f21ec55aa4869cbc34353225b53e7231fa6ee039cf", kill_on_drop: false }`
[INFO] [stdout] 503afa3dc649618b1253d4f21ec55aa4869cbc34353225b53e7231fa6ee039cf