[INFO] fetching crate merkletree-rs 0.0.3...
[INFO] documenting merkletree-rs-0.0.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate merkletree-rs 0.0.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate merkletree-rs 0.0.3 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 merkletree-rs 0.0.3
[INFO] finished tweaking crates.io crate merkletree-rs 0.0.3
[INFO] tweaked toml for crates.io crate merkletree-rs 0.0.3 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1c51a4e22ee6876a4646ab117ae527e628b88bdef7a4d68583394025ebfec747
[INFO] running `Command { std: "docker" "start" "-a" "1c51a4e22ee6876a4646ab117ae527e628b88bdef7a4d68583394025ebfec747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c51a4e22ee6876a4646ab117ae527e628b88bdef7a4d68583394025ebfec747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c51a4e22ee6876a4646ab117ae527e628b88bdef7a4d68583394025ebfec747", kill_on_drop: false }`
[INFO] [stdout] 1c51a4e22ee6876a4646ab117ae527e628b88bdef7a4d68583394025ebfec747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 947f79bcfd548d3f56a83d4cb928927056ccc73593221dce323dcf177d074f68
[INFO] running `Command { std: "docker" "start" "-a" "947f79bcfd548d3f56a83d4cb928927056ccc73593221dce323dcf177d074f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bitreader v0.3.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusty-leveldb v0.2.7
[INFO] [stderr]  Documenting merkletree-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "947f79bcfd548d3f56a83d4cb928927056ccc73593221dce323dcf177d074f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947f79bcfd548d3f56a83d4cb928927056ccc73593221dce323dcf177d074f68", kill_on_drop: false }`
[INFO] [stdout] 947f79bcfd548d3f56a83d4cb928927056ccc73593221dce323dcf177d074f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4dd9f9181e4168c8ca0201068c396d44b97e98fa2c56226537a6272fce55b073
[INFO] running `Command { std: "docker" "start" "-a" "4dd9f9181e4168c8ca0201068c396d44b97e98fa2c56226537a6272fce55b073", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bitreader v0.3.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusty-leveldb v0.2.7
[INFO] [stderr]  Documenting merkletree-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "4dd9f9181e4168c8ca0201068c396d44b97e98fa2c56226537a6272fce55b073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd9f9181e4168c8ca0201068c396d44b97e98fa2c56226537a6272fce55b073", kill_on_drop: false }`
[INFO] [stdout] 4dd9f9181e4168c8ca0201068c396d44b97e98fa2c56226537a6272fce55b073