[INFO] fetching crate usl 0.3.0...
[INFO] documenting usl-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate usl 0.3.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate usl 0.3.0 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 usl 0.3.0
[INFO] finished tweaking crates.io crate usl 0.3.0
[INFO] tweaked toml for crates.io crate usl 0.3.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate usl 0.3.0 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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 7358f6ca80666bd9013fb2d8e3b08aa2e1e17f0f2c9aead3e376fa7e16ac2f49
[INFO] running `Command { std: "docker" "start" "-a" "7358f6ca80666bd9013fb2d8e3b08aa2e1e17f0f2c9aead3e376fa7e16ac2f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7358f6ca80666bd9013fb2d8e3b08aa2e1e17f0f2c9aead3e376fa7e16ac2f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7358f6ca80666bd9013fb2d8e3b08aa2e1e17f0f2c9aead3e376fa7e16ac2f49", kill_on_drop: false }`
[INFO] [stdout] 7358f6ca80666bd9013fb2d8e3b08aa2e1e17f0f2c9aead3e376fa7e16ac2f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 98241595d6cbfab2fbb4ebdf533fd761e8a439cfdc7ca0f3d8613c005724c0d2
[INFO] running `Command { std: "docker" "start" "-a" "98241595d6cbfab2fbb4ebdf533fd761e8a439cfdc7ca0f3d8613c005724c0d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rmpfit v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]  Documenting usl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "98241595d6cbfab2fbb4ebdf533fd761e8a439cfdc7ca0f3d8613c005724c0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98241595d6cbfab2fbb4ebdf533fd761e8a439cfdc7ca0f3d8613c005724c0d2", kill_on_drop: false }`
[INFO] [stdout] 98241595d6cbfab2fbb4ebdf533fd761e8a439cfdc7ca0f3d8613c005724c0d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 3205098e262ac5802fd26e9108b506391730d9e809d77e7a600f964a1bfb181e
[INFO] running `Command { std: "docker" "start" "-a" "3205098e262ac5802fd26e9108b506391730d9e809d77e7a600f964a1bfb181e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rmpfit v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]  Documenting usl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "3205098e262ac5802fd26e9108b506391730d9e809d77e7a600f964a1bfb181e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3205098e262ac5802fd26e9108b506391730d9e809d77e7a600f964a1bfb181e", kill_on_drop: false }`
[INFO] [stdout] 3205098e262ac5802fd26e9108b506391730d9e809d77e7a600f964a1bfb181e