[INFO] fetching crate reef 0.0.18...
[INFO] documenting reef-0.0.18 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate reef 0.0.18 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate reef 0.0.18 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 reef 0.0.18
[INFO] finished tweaking crates.io crate reef 0.0.18
[INFO] tweaked toml for crates.io crate reef 0.0.18 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate reef 0.0.18 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "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] 1e01bb21c13499b1072b6525415deba3c0126e0ba05fde7a5c4dd51c4bb305cc
[INFO] running `Command { std: "docker" "start" "-a" "1e01bb21c13499b1072b6525415deba3c0126e0ba05fde7a5c4dd51c4bb305cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e01bb21c13499b1072b6525415deba3c0126e0ba05fde7a5c4dd51c4bb305cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e01bb21c13499b1072b6525415deba3c0126e0ba05fde7a5c4dd51c4bb305cc", kill_on_drop: false }`
[INFO] [stdout] 1e01bb21c13499b1072b6525415deba3c0126e0ba05fde7a5c4dd51c4bb305cc
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88d556a5935d4d702e1cfd8d3a38afb0c1dcb781e0c2c5b5b007dfac6246b78b
[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" "88d556a5935d4d702e1cfd8d3a38afb0c1dcb781e0c2c5b5b007dfac6246b78b", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling error-chain v0.12.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]  Documenting reef v0.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.27s
[INFO] running `Command { std: "docker" "inspect" "88d556a5935d4d702e1cfd8d3a38afb0c1dcb781e0c2c5b5b007dfac6246b78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d556a5935d4d702e1cfd8d3a38afb0c1dcb781e0c2c5b5b007dfac6246b78b", kill_on_drop: false }`
[INFO] [stdout] 88d556a5935d4d702e1cfd8d3a38afb0c1dcb781e0c2c5b5b007dfac6246b78b