[INFO] fetching crate urlsup 1.0.0...
[INFO] documenting urlsup-1.0.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate urlsup 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate urlsup 1.0.0 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 urlsup 1.0.0
[INFO] finished tweaking crates.io crate urlsup 1.0.0
[INFO] tweaked toml for crates.io crate urlsup 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate urlsup 1.0.0 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-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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2d3e8b5a8f2df46e149d425e6f8e17e335dbe0ebfec23f52ef663af8e28fcc
[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" "ac2d3e8b5a8f2df46e149d425e6f8e17e335dbe0ebfec23f52ef663af8e28fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2d3e8b5a8f2df46e149d425e6f8e17e335dbe0ebfec23f52ef663af8e28fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2d3e8b5a8f2df46e149d425e6f8e17e335dbe0ebfec23f52ef663af8e28fcc", kill_on_drop: false }`
[INFO] [stdout] ac2d3e8b5a8f2df46e149d425e6f8e17e335dbe0ebfec23f52ef663af8e28fcc
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39cb630a289cabd637dcca4b953cb715e98ddbbe5888f5cf2433989bb2b387e
[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" "c39cb630a289cabd637dcca4b953cb715e98ddbbe5888f5cf2433989bb2b387e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-matcher v0.1.4
[INFO] [stderr]     Checking linkify v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking grep-regex v0.1.7
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]     Checking grep-cli v0.1.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking grep-printer v0.1.4
[INFO] [stderr]     Checking grep v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting urlsup v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.56s
[INFO] running `Command { std: "docker" "inspect" "c39cb630a289cabd637dcca4b953cb715e98ddbbe5888f5cf2433989bb2b387e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39cb630a289cabd637dcca4b953cb715e98ddbbe5888f5cf2433989bb2b387e", kill_on_drop: false }`
[INFO] [stdout] c39cb630a289cabd637dcca4b953cb715e98ddbbe5888f5cf2433989bb2b387e
