[INFO] fetching crate lazy-pregen 0.1.4...
[INFO] documenting lazy-pregen-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate lazy-pregen 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lazy-pregen 0.1.4 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 lazy-pregen 0.1.4
[INFO] finished tweaking crates.io crate lazy-pregen 0.1.4
[INFO] tweaked toml for crates.io crate lazy-pregen 0.1.4 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.6
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d298a88e5aa96046a94db60b4249f3f2a93b673ef6ebdbb35d3f155d2c722e4
[INFO] running `Command { std: "docker" "start" "-a" "4d298a88e5aa96046a94db60b4249f3f2a93b673ef6ebdbb35d3f155d2c722e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d298a88e5aa96046a94db60b4249f3f2a93b673ef6ebdbb35d3f155d2c722e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d298a88e5aa96046a94db60b4249f3f2a93b673ef6ebdbb35d3f155d2c722e4", kill_on_drop: false }`
[INFO] [stdout] 4d298a88e5aa96046a94db60b4249f3f2a93b673ef6ebdbb35d3f155d2c722e4
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab860b035685b9825aa5ee6c2ceef5fafb7bab557ca0f61aee4b078e69fb58aa
[INFO] running `Command { std: "docker" "start" "-a" "ab860b035685b9825aa5ee6c2ceef5fafb7bab557ca0f61aee4b078e69fb58aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]  Documenting lazy-pregen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `Command { std: "docker" "inspect" "ab860b035685b9825aa5ee6c2ceef5fafb7bab557ca0f61aee4b078e69fb58aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab860b035685b9825aa5ee6c2ceef5fafb7bab557ca0f61aee4b078e69fb58aa", kill_on_drop: false }`
[INFO] [stdout] ab860b035685b9825aa5ee6c2ceef5fafb7bab557ca0f61aee4b078e69fb58aa