[INFO] fetching crate qcv 0.2.0...
[INFO] documenting qcv-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate qcv 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate qcv 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qcv 0.2.0
[INFO] finished tweaking crates.io crate qcv 0.2.0
[INFO] tweaked toml for crates.io crate qcv 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate qcv 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b0e7c166a42c03ed06f5efea33e22bb2dc272af62d6aa95bb34e70817605cc
[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" "90b0e7c166a42c03ed06f5efea33e22bb2dc272af62d6aa95bb34e70817605cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b0e7c166a42c03ed06f5efea33e22bb2dc272af62d6aa95bb34e70817605cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b0e7c166a42c03ed06f5efea33e22bb2dc272af62d6aa95bb34e70817605cc", kill_on_drop: false }`
[INFO] [stdout] 90b0e7c166a42c03ed06f5efea33e22bb2dc272af62d6aa95bb34e70817605cc
[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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44312858fc53d57cdb5b2c81bac1eeea53b83c62d8ee101c8cb21cbc4418d20
[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" "f44312858fc53d57cdb5b2c81bac1eeea53b83c62d8ee101c8cb21cbc4418d20", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling include-flate-codegen v0.1.3
[INFO] [stderr]     Checking include-flate-codegen-exports v0.1.3
[INFO] [stderr]     Checking include-flate v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling rust-embed-impl v5.5.1
[INFO] [stderr]     Checking rust-embed v5.5.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]  Documenting qcv v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.65s
[INFO] running `Command { std: "docker" "inspect" "f44312858fc53d57cdb5b2c81bac1eeea53b83c62d8ee101c8cb21cbc4418d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44312858fc53d57cdb5b2c81bac1eeea53b83c62d8ee101c8cb21cbc4418d20", kill_on_drop: false }`
[INFO] [stdout] f44312858fc53d57cdb5b2c81bac1eeea53b83c62d8ee101c8cb21cbc4418d20
