[INFO] fetching crate lastfm-rs 0.2.2...
[INFO] documenting lastfm-rs-0.2.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate lastfm-rs 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lastfm-rs 0.2.2 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 lastfm-rs 0.2.2
[INFO] finished tweaking crates.io crate lastfm-rs 0.2.2
[INFO] tweaked toml for crates.io crate lastfm-rs 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c0b55f78c9a898d5f4ba4a3522a36ac371ff07d7771a3a61efdd9f7e66ff4f4f
[INFO] running `Command { std: "docker" "start" "-a" "c0b55f78c9a898d5f4ba4a3522a36ac371ff07d7771a3a61efdd9f7e66ff4f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0b55f78c9a898d5f4ba4a3522a36ac371ff07d7771a3a61efdd9f7e66ff4f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b55f78c9a898d5f4ba4a3522a36ac371ff07d7771a3a61efdd9f7e66ff4f4f", kill_on_drop: false }`
[INFO] [stdout] c0b55f78c9a898d5f4ba4a3522a36ac371ff07d7771a3a61efdd9f7e66ff4f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 78e7302cca3767c73bb26a69add48272e3101cfe008668795694db5522afb7f7
[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" "78e7302cca3767c73bb26a69add48272e3101cfe008668795694db5522afb7f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting lastfm-rs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.64s
[INFO] running `Command { std: "docker" "inspect" "78e7302cca3767c73bb26a69add48272e3101cfe008668795694db5522afb7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e7302cca3767c73bb26a69add48272e3101cfe008668795694db5522afb7f7", kill_on_drop: false }`
[INFO] [stdout] 78e7302cca3767c73bb26a69add48272e3101cfe008668795694db5522afb7f7