[INFO] fetching crate cargo-debug 0.3.0...
[INFO] documenting cargo-debug-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-debug 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-debug 0.3.0 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 cargo-debug 0.3.0
[INFO] finished tweaking crates.io crate cargo-debug 0.3.0
[INFO] tweaked toml for crates.io crate cargo-debug 0.3.0 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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.5.3
[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] 170459b70bba90ec0437bcf88e3ef63f43a877579e650f6298d0606fa8b62536
[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" "170459b70bba90ec0437bcf88e3ef63f43a877579e650f6298d0606fa8b62536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "170459b70bba90ec0437bcf88e3ef63f43a877579e650f6298d0606fa8b62536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170459b70bba90ec0437bcf88e3ef63f43a877579e650f6298d0606fa8b62536", kill_on_drop: false }`
[INFO] [stdout] 170459b70bba90ec0437bcf88e3ef63f43a877579e650f6298d0606fa8b62536
[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] [stdout] 821944cfba3c76ca8c5fc33ff4b39635b16082921baed05c31f26dc6e1f8cf0b
[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" "821944cfba3c76ca8c5fc33ff4b39635b16082921baed05c31f26dc6e1f8cf0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo-toml2 v1.3.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking cargo_metadata v0.7.4
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]  Documenting cargo-debug v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.90s
[INFO] running `Command { std: "docker" "inspect" "821944cfba3c76ca8c5fc33ff4b39635b16082921baed05c31f26dc6e1f8cf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821944cfba3c76ca8c5fc33ff4b39635b16082921baed05c31f26dc6e1f8cf0b", kill_on_drop: false }`
[INFO] [stdout] 821944cfba3c76ca8c5fc33ff4b39635b16082921baed05c31f26dc6e1f8cf0b