[INFO] cloning repository https://github.com/rafirandoni/learn-blockchain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rafirandoni/learn-blockchain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafirandoni%2Flearn-blockchain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafirandoni%2Flearn-blockchain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eff9007fd94bc6c159da3689d622aa5bd8588ec
[INFO] documenting rafirandoni/learn-blockchain-rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafirandoni%2Flearn-blockchain-rust" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rafirandoni/learn-blockchain-rust 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 git repo https://github.com/rafirandoni/learn-blockchain-rust
[INFO] finished tweaking git repo https://github.com/rafirandoni/learn-blockchain-rust
[INFO] tweaked toml for git repo https://github.com/rafirandoni/learn-blockchain-rust written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/rafirandoni/learn-blockchain-rust 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] warning: unused manifest key: lib.target
[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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 3697d0337e0b397763366b3fb2a19af4129b5cb3dc8babbd2454fc59ba9350d9
[INFO] running `Command { std: "docker" "start" "-a" "3697d0337e0b397763366b3fb2a19af4129b5cb3dc8babbd2454fc59ba9350d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3697d0337e0b397763366b3fb2a19af4129b5cb3dc8babbd2454fc59ba9350d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3697d0337e0b397763366b3fb2a19af4129b5cb3dc8babbd2454fc59ba9350d9", kill_on_drop: false }`
[INFO] [stdout] 3697d0337e0b397763366b3fb2a19af4129b5cb3dc8babbd2454fc59ba9350d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 0743b571be5b2f8c0c0c7a9f2b6f7ffe82ce57a472c9b75683477233b3683bff
[INFO] running `Command { std: "docker" "start" "-a" "0743b571be5b2f8c0c0c7a9f2b6f7ffe82ce57a472c9b75683477233b3683bff", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.target
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]  Documenting rust-blockchain-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rust-blockchain-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "0743b571be5b2f8c0c0c7a9f2b6f7ffe82ce57a472c9b75683477233b3683bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0743b571be5b2f8c0c0c7a9f2b6f7ffe82ce57a472c9b75683477233b3683bff", kill_on_drop: false }`
[INFO] [stdout] 0743b571be5b2f8c0c0c7a9f2b6f7ffe82ce57a472c9b75683477233b3683bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] f931d3faf81703e0d7f993eedf38052e3600cf79fa7651fdb0d0c5ee2cba8df5
[INFO] running `Command { std: "docker" "start" "-a" "f931d3faf81703e0d7f993eedf38052e3600cf79fa7651fdb0d0c5ee2cba8df5", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.target
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]  Documenting rust-blockchain-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "f931d3faf81703e0d7f993eedf38052e3600cf79fa7651fdb0d0c5ee2cba8df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f931d3faf81703e0d7f993eedf38052e3600cf79fa7651fdb0d0c5ee2cba8df5", kill_on_drop: false }`
[INFO] [stdout] f931d3faf81703e0d7f993eedf38052e3600cf79fa7651fdb0d0c5ee2cba8df5