[INFO] fetching crate k12 0.2.1...
[INFO] documenting k12-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate k12 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate k12 0.2.1 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 k12 0.2.1
[INFO] finished tweaking crates.io crate k12 0.2.1
[INFO] tweaked toml for crates.io crate k12 0.2.1 written to /workspace/builds/worker-3/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3379dda2a9aedb52babdf59e2a38117da07ee67c734a29035bb5e774cff746c2
[INFO] running `Command { std: "docker" "start" "-a" "3379dda2a9aedb52babdf59e2a38117da07ee67c734a29035bb5e774cff746c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3379dda2a9aedb52babdf59e2a38117da07ee67c734a29035bb5e774cff746c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3379dda2a9aedb52babdf59e2a38117da07ee67c734a29035bb5e774cff746c2", kill_on_drop: false }`
[INFO] [stdout] 3379dda2a9aedb52babdf59e2a38117da07ee67c734a29035bb5e774cff746c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1a5e04d931d3c5ed5b847ad146dc479861e4467d4049a072c60afdb6fd99b40b
[INFO] running `Command { std: "docker" "start" "-a" "1a5e04d931d3c5ed5b847ad146dc479861e4467d4049a072c60afdb6fd99b40b", 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] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]  Documenting k12 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "1a5e04d931d3c5ed5b847ad146dc479861e4467d4049a072c60afdb6fd99b40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5e04d931d3c5ed5b847ad146dc479861e4467d4049a072c60afdb6fd99b40b", kill_on_drop: false }`
[INFO] [stdout] 1a5e04d931d3c5ed5b847ad146dc479861e4467d4049a072c60afdb6fd99b40b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cfbdb12084b911533659fabb3a7e0aca4e7be80d01b3ae234b97f0f5a84d5db6
[INFO] running `Command { std: "docker" "start" "-a" "cfbdb12084b911533659fabb3a7e0aca4e7be80d01b3ae234b97f0f5a84d5db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]  Documenting k12 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "cfbdb12084b911533659fabb3a7e0aca4e7be80d01b3ae234b97f0f5a84d5db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbdb12084b911533659fabb3a7e0aca4e7be80d01b3ae234b97f0f5a84d5db6", kill_on_drop: false }`
[INFO] [stdout] cfbdb12084b911533659fabb3a7e0aca4e7be80d01b3ae234b97f0f5a84d5db6