[INFO] fetching crate modfile 1.4.6...
[INFO] documenting modfile-1.4.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate modfile 1.4.6 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate modfile 1.4.6 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 modfile 1.4.6
[INFO] finished tweaking crates.io crate modfile 1.4.6
[INFO] tweaked toml for crates.io crate modfile 1.4.6 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate modfile 1.4.6 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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 634e486fb5835fc66aa704627760ae14a83ccc7914903d1a2d9c4dc4a45c987e
[INFO] running `Command { std: "docker" "start" "-a" "634e486fb5835fc66aa704627760ae14a83ccc7914903d1a2d9c4dc4a45c987e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634e486fb5835fc66aa704627760ae14a83ccc7914903d1a2d9c4dc4a45c987e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634e486fb5835fc66aa704627760ae14a83ccc7914903d1a2d9c4dc4a45c987e", kill_on_drop: false }`
[INFO] [stdout] 634e486fb5835fc66aa704627760ae14a83ccc7914903d1a2d9c4dc4a45c987e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 7c6e0c2b033fc14ea13d0d81a7806ec00d800f63553a3ed8ac1b09675b7a16f3
[INFO] running `Command { std: "docker" "start" "-a" "7c6e0c2b033fc14ea13d0d81a7806ec00d800f63553a3ed8ac1b09675b7a16f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking serde-big-array v0.3.2
[INFO] [stderr]  Documenting modfile v1.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "7c6e0c2b033fc14ea13d0d81a7806ec00d800f63553a3ed8ac1b09675b7a16f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6e0c2b033fc14ea13d0d81a7806ec00d800f63553a3ed8ac1b09675b7a16f3", kill_on_drop: false }`
[INFO] [stdout] 7c6e0c2b033fc14ea13d0d81a7806ec00d800f63553a3ed8ac1b09675b7a16f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] ebfa303989e9fce7d0abe23c3d41a119e1a60a3ebdd7b422d3c7693c44876f82
[INFO] running `Command { std: "docker" "start" "-a" "ebfa303989e9fce7d0abe23c3d41a119e1a60a3ebdd7b422d3c7693c44876f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking serde-big-array v0.3.2
[INFO] [stderr]  Documenting modfile v1.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "ebfa303989e9fce7d0abe23c3d41a119e1a60a3ebdd7b422d3c7693c44876f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfa303989e9fce7d0abe23c3d41a119e1a60a3ebdd7b422d3c7693c44876f82", kill_on_drop: false }`
[INFO] [stdout] ebfa303989e9fce7d0abe23c3d41a119e1a60a3ebdd7b422d3c7693c44876f82