[INFO] fetching crate debug_finder 0.3.1...
[INFO] documenting debug_finder-0.3.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate debug_finder 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate debug_finder 0.3.1 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 debug_finder 0.3.1
[INFO] finished tweaking crates.io crate debug_finder 0.3.1
[INFO] tweaked toml for crates.io crate debug_finder 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate debug_finder 0.3.1 already has a lockfile, it will not be regenerated
[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-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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80a52f42755b719fa718838893e5b4229b22924ec4a618d95c941d70458b59e8
[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" "80a52f42755b719fa718838893e5b4229b22924ec4a618d95c941d70458b59e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a52f42755b719fa718838893e5b4229b22924ec4a618d95c941d70458b59e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a52f42755b719fa718838893e5b4229b22924ec4a618d95c941d70458b59e8", kill_on_drop: false }`
[INFO] [stdout] 80a52f42755b719fa718838893e5b4229b22924ec4a618d95c941d70458b59e8
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8682cce6ccfde9f2b0df2fdf7ba0deff06a656b31c1b4c97d3b16812593b44c5
[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" "8682cce6ccfde9f2b0df2fdf7ba0deff06a656b31c1b4c97d3b16812593b44c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking json v0.12.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]  Documenting debug_finder v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "8682cce6ccfde9f2b0df2fdf7ba0deff06a656b31c1b4c97d3b16812593b44c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8682cce6ccfde9f2b0df2fdf7ba0deff06a656b31c1b4c97d3b16812593b44c5", kill_on_drop: false }`
[INFO] [stdout] 8682cce6ccfde9f2b0df2fdf7ba0deff06a656b31c1b4c97d3b16812593b44c5
