[INFO] fetching crate gensym 0.1.0...
[INFO] documenting gensym-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate gensym 0.1.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate gensym 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 gensym 0.1.0
[INFO] finished tweaking crates.io crate gensym 0.1.0
[INFO] tweaked toml for crates.io crate gensym 0.1.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 01fad54d4c082e8e607db2a5cb6253586ea559928dae62d17b8919c07caea5c5
[INFO] running `Command { std: "docker" "start" "-a" "01fad54d4c082e8e607db2a5cb6253586ea559928dae62d17b8919c07caea5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01fad54d4c082e8e607db2a5cb6253586ea559928dae62d17b8919c07caea5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fad54d4c082e8e607db2a5cb6253586ea559928dae62d17b8919c07caea5c5", kill_on_drop: false }`
[INFO] [stdout] 01fad54d4c082e8e607db2a5cb6253586ea559928dae62d17b8919c07caea5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 9430921efb7d2c028ccb463caa0eff0e3ab7279d9fa3dee922a4b0384ce8f70a
[INFO] running `Command { std: "docker" "start" "-a" "9430921efb7d2c028ccb463caa0eff0e3ab7279d9fa3dee922a4b0384ce8f70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]  Documenting gensym v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.03s
[INFO] running `Command { std: "docker" "inspect" "9430921efb7d2c028ccb463caa0eff0e3ab7279d9fa3dee922a4b0384ce8f70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9430921efb7d2c028ccb463caa0eff0e3ab7279d9fa3dee922a4b0384ce8f70a", kill_on_drop: false }`
[INFO] [stdout] 9430921efb7d2c028ccb463caa0eff0e3ab7279d9fa3dee922a4b0384ce8f70a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] db3fb3c1c0d25bdd6635bccd2354d6d6f4d20a1f2d5e7ee20dfdf95449af7caa
[INFO] running `Command { std: "docker" "start" "-a" "db3fb3c1c0d25bdd6635bccd2354d6d6f4d20a1f2d5e7ee20dfdf95449af7caa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]  Documenting gensym v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.13s
[INFO] running `Command { std: "docker" "inspect" "db3fb3c1c0d25bdd6635bccd2354d6d6f4d20a1f2d5e7ee20dfdf95449af7caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3fb3c1c0d25bdd6635bccd2354d6d6f4d20a1f2d5e7ee20dfdf95449af7caa", kill_on_drop: false }`
[INFO] [stdout] db3fb3c1c0d25bdd6635bccd2354d6d6f4d20a1f2d5e7ee20dfdf95449af7caa