[INFO] cloning repository https://github.com/AgilData/mysql-proxy-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AgilData/mysql-proxy-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgilData%2Fmysql-proxy-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgilData%2Fmysql-proxy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27923dbb6b12845584771eba35a24b41a5b4128b
[INFO] documenting AgilData/mysql-proxy-rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgilData%2Fmysql-proxy-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AgilData/mysql-proxy-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AgilData/mysql-proxy-rs
[INFO] finished tweaking git repo https://github.com/AgilData/mysql-proxy-rs
[INFO] tweaked toml for git repo https://github.com/AgilData/mysql-proxy-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/AgilData/mysql-proxy-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.35
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded mio v0.6.0
[INFO] [stderr]   Downloaded regex-syntax v0.3.5
[INFO] [stderr]   Downloaded libz-sys v1.0.6
[INFO] [stderr]   Downloaded curl-sys v0.2.2
[INFO] [stderr]   Downloaded regex v0.1.75
[INFO] [stderr]   Downloaded futures v0.1.1
[INFO] [stderr]   Downloaded tokio-core v0.1.0
[INFO] [stderr]   Downloaded thread_local v0.2.6
[INFO] [stderr]   Downloaded curl v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.15
[INFO] [stderr]   Downloaded aho-corasick v0.5.2
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 727e9f162b5cb5416f10c720dd1fb167f85fc127c142268709ad9d4e34446579
[INFO] running `Command { std: "docker" "start" "-a" "727e9f162b5cb5416f10c720dd1fb167f85fc127c142268709ad9d4e34446579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "727e9f162b5cb5416f10c720dd1fb167f85fc127c142268709ad9d4e34446579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727e9f162b5cb5416f10c720dd1fb167f85fc127c142268709ad9d4e34446579", kill_on_drop: false }`
[INFO] [stdout] 727e9f162b5cb5416f10c720dd1fb167f85fc127c142268709ad9d4e34446579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63e87953693208d2c9ff412327a1688943af3d5cf6745fb174df2c687897dab8
[INFO] running `Command { std: "docker" "start" "-a" "63e87953693208d2c9ff412327a1688943af3d5cf6745fb174df2c687897dab8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.3.5
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking futures v0.1.1
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking regex v0.1.75
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking tokio-core v0.1.0
[INFO] [stderr]  Documenting mysql-proxy v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "63e87953693208d2c9ff412327a1688943af3d5cf6745fb174df2c687897dab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e87953693208d2c9ff412327a1688943af3d5cf6745fb174df2c687897dab8", kill_on_drop: false }`
[INFO] [stdout] 63e87953693208d2c9ff412327a1688943af3d5cf6745fb174df2c687897dab8