[INFO] fetching crate reap 0.3.0...
[INFO] documenting reap-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate reap 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate reap 0.3.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reap 0.3.0
[INFO] finished tweaking crates.io crate reap 0.3.0
[INFO] tweaked toml for crates.io crate reap 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate reap 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 989bcaaf7e38f93eeb379c029263c658ae46f2d6bec96ec17584df24d4cbcc1f
[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" "989bcaaf7e38f93eeb379c029263c658ae46f2d6bec96ec17584df24d4cbcc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989bcaaf7e38f93eeb379c029263c658ae46f2d6bec96ec17584df24d4cbcc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989bcaaf7e38f93eeb379c029263c658ae46f2d6bec96ec17584df24d4cbcc1f", kill_on_drop: false }`
[INFO] [stdout] 989bcaaf7e38f93eeb379c029263c658ae46f2d6bec96ec17584df24d4cbcc1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb6aac9189ccbc59040c27c93778d0b47cb31e832afa62ace2154dfbc657be43
[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" "cb6aac9189ccbc59040c27c93778d0b47cb31e832afa62ace2154dfbc657be43", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.4
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]    Compiling symbolic-demangle v6.1.4
[INFO] [stderr]    Compiling cpp_demangle v0.2.13
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking msvc-demangler v0.7.0
[INFO] [stderr]     Checking debugid v0.5.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling timed_function v0.1.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking symbolic-common v6.1.4
[INFO] [stderr]     Checking quick-xml v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking inferno v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]  Documenting reap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.70s
[INFO] running `Command { std: "docker" "inspect" "cb6aac9189ccbc59040c27c93778d0b47cb31e832afa62ace2154dfbc657be43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6aac9189ccbc59040c27c93778d0b47cb31e832afa62ace2154dfbc657be43", kill_on_drop: false }`
[INFO] [stdout] cb6aac9189ccbc59040c27c93778d0b47cb31e832afa62ace2154dfbc657be43