[INFO] cloning repository https://github.com/weikengchen/powers_of_tau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weikengchen/powers_of_tau" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweikengchen%2Fpowers_of_tau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweikengchen%2Fpowers_of_tau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7505e84378db986dce3140b3b8c0b712bb793c93
[INFO] documenting weikengchen/powers_of_tau 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%2Fweikengchen%2Fpowers_of_tau" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weikengchen/powers_of_tau 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/weikengchen/powers_of_tau
[INFO] finished tweaking git repo https://github.com/weikengchen/powers_of_tau
[INFO] tweaked toml for git repo https://github.com/weikengchen/powers_of_tau written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/weikengchen/powers_of_tau 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-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] bd227334d729682cfa85a632101f60e52ee5b51177726c03c2389a41ceb3a169
[INFO] running `Command { std: "docker" "start" "-a" "bd227334d729682cfa85a632101f60e52ee5b51177726c03c2389a41ceb3a169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd227334d729682cfa85a632101f60e52ee5b51177726c03c2389a41ceb3a169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd227334d729682cfa85a632101f60e52ee5b51177726c03c2389a41ceb3a169", kill_on_drop: false }`
[INFO] [stdout] bd227334d729682cfa85a632101f60e52ee5b51177726c03c2389a41ceb3a169
[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] 1a7a3e648b0f70218cffb9f3194739a4151f9c3efe67cf6308ba0e80050a4d13
[INFO] running `Command { std: "docker" "start" "-a" "1a7a3e648b0f70218cffb9f3194739a4151f9c3efe67cf6308ba0e80050a4d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking pairing v0.14.0 (/opt/rustwide/workdir/pairing)
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking bellman v0.1.0
[INFO] [stderr]     Checking powersoftau v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting powersoftau v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "1a7a3e648b0f70218cffb9f3194739a4151f9c3efe67cf6308ba0e80050a4d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7a3e648b0f70218cffb9f3194739a4151f9c3efe67cf6308ba0e80050a4d13", kill_on_drop: false }`
[INFO] [stdout] 1a7a3e648b0f70218cffb9f3194739a4151f9c3efe67cf6308ba0e80050a4d13
[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] c95afe4f2a491445e71a27f061403e6c6b1a015977f935b5cacfa7f27b3d6bf4
[INFO] running `Command { std: "docker" "start" "-a" "c95afe4f2a491445e71a27f061403e6c6b1a015977f935b5cacfa7f27b3d6bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking pairing v0.14.0 (/opt/rustwide/workdir/pairing)
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking bellman v0.1.0
[INFO] [stderr]  Documenting powersoftau v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "c95afe4f2a491445e71a27f061403e6c6b1a015977f935b5cacfa7f27b3d6bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95afe4f2a491445e71a27f061403e6c6b1a015977f935b5cacfa7f27b3d6bf4", kill_on_drop: false }`
[INFO] [stdout] c95afe4f2a491445e71a27f061403e6c6b1a015977f935b5cacfa7f27b3d6bf4