[INFO] fetching crate rs-lean 0.1.0...
[INFO] documenting rs-lean-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rs-lean 0.1.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate rs-lean 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs-lean 0.1.0
[INFO] finished tweaking crates.io crate rs-lean 0.1.0
[INFO] tweaked toml for crates.io crate rs-lean 0.1.0 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate rs-lean 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 687e0e299d7a4ceb7be362d2084d7dbecacbfccca116cfd2a18d40b7657cd521
[INFO] running `Command { std: "docker" "start" "-a" "687e0e299d7a4ceb7be362d2084d7dbecacbfccca116cfd2a18d40b7657cd521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687e0e299d7a4ceb7be362d2084d7dbecacbfccca116cfd2a18d40b7657cd521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687e0e299d7a4ceb7be362d2084d7dbecacbfccca116cfd2a18d40b7657cd521", kill_on_drop: false }`
[INFO] [stdout] 687e0e299d7a4ceb7be362d2084d7dbecacbfccca116cfd2a18d40b7657cd521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab946bdaf1539620d3b63f64a0c226469dcb9fad7d45e4867a3aa646bd0ff2f8
[INFO] running `Command { std: "docker" "start" "-a" "ab946bdaf1539620d3b63f64a0c226469dcb9fad7d45e4867a3aa646bd0ff2f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking ferris-says v0.2.1
[INFO] [stderr]  Documenting rs-lean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "ab946bdaf1539620d3b63f64a0c226469dcb9fad7d45e4867a3aa646bd0ff2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab946bdaf1539620d3b63f64a0c226469dcb9fad7d45e4867a3aa646bd0ff2f8", kill_on_drop: false }`
[INFO] [stdout] ab946bdaf1539620d3b63f64a0c226469dcb9fad7d45e4867a3aa646bd0ff2f8