[INFO] fetching crate reproto-derive 0.3.36...
[INFO] documenting reproto-derive-0.3.36 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate reproto-derive 0.3.36 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reproto-derive 0.3.36 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 reproto-derive 0.3.36
[INFO] finished tweaking crates.io crate reproto-derive 0.3.36
[INFO] tweaked toml for crates.io crate reproto-derive 0.3.36 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7dd5c7e000bdcf1e6ec0c288119288e875914645f2ee7fac1cc668b639e60951
[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" "7dd5c7e000bdcf1e6ec0c288119288e875914645f2ee7fac1cc668b639e60951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd5c7e000bdcf1e6ec0c288119288e875914645f2ee7fac1cc668b639e60951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd5c7e000bdcf1e6ec0c288119288e875914645f2ee7fac1cc668b639e60951", kill_on_drop: false }`
[INFO] [stdout] 7dd5c7e000bdcf1e6ec0c288119288e875914645f2ee7fac1cc668b639e60951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75d92ef8576f56739f2740fabeede0f966b61364e7927df9134778bbcea40822
[INFO] running `Command { std: "docker" "start" "-a" "75d92ef8576f56739f2740fabeede0f966b61364e7927df9134778bbcea40822", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking reproto-core v0.3.36
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking reproto-lexer v0.3.36
[INFO] [stderr]     Checking reproto-ast v0.3.36
[INFO] [stderr]  Documenting reproto-derive v0.3.36 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "75d92ef8576f56739f2740fabeede0f966b61364e7927df9134778bbcea40822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d92ef8576f56739f2740fabeede0f966b61364e7927df9134778bbcea40822", kill_on_drop: false }`
[INFO] [stdout] 75d92ef8576f56739f2740fabeede0f966b61364e7927df9134778bbcea40822