[INFO] cloning repository https://github.com/George-Miao/mailin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/George-Miao/mailin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2Fmailin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2Fmailin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c25fa14fb2b43a73f10f80941d28f539fef798be
[INFO] documenting George-Miao/mailin 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%2FGeorge-Miao%2Fmailin" "/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/George-Miao/mailin 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/George-Miao/mailin
[INFO] finished tweaking git repo https://github.com/George-Miao/mailin
[INFO] tweaked toml for git repo https://github.com/George-Miao/mailin written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/George-Miao/mailin 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] 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] d8b7a43f8e13dac926fd6cad07c4d9a24144d4bd4864d336cc1673cbd3a35a74
[INFO] running `Command { std: "docker" "start" "-a" "d8b7a43f8e13dac926fd6cad07c4d9a24144d4bd4864d336cc1673cbd3a35a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b7a43f8e13dac926fd6cad07c4d9a24144d4bd4864d336cc1673cbd3a35a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b7a43f8e13dac926fd6cad07c4d9a24144d4bd4864d336cc1673cbd3a35a74", kill_on_drop: false }`
[INFO] [stdout] d8b7a43f8e13dac926fd6cad07c4d9a24144d4bd4864d336cc1673cbd3a35a74
[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] ffef01fa9a690be2f99b7ba550bcbff73733a6dedcf316a526fb209b17666d18
[INFO] running `Command { std: "docker" "start" "-a" "ffef01fa9a690be2f99b7ba550bcbff73733a6dedcf316a526fb209b17666d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ternop v1.0.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]  Documenting mailin v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "ffef01fa9a690be2f99b7ba550bcbff73733a6dedcf316a526fb209b17666d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffef01fa9a690be2f99b7ba550bcbff73733a6dedcf316a526fb209b17666d18", kill_on_drop: false }`
[INFO] [stdout] ffef01fa9a690be2f99b7ba550bcbff73733a6dedcf316a526fb209b17666d18
[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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] d215f91158f091c41ab8d55acc064c1dc954c2a4305cd06eba877c5c60e70768
[INFO] running `Command { std: "docker" "start" "-a" "d215f91158f091c41ab8d55acc064c1dc954c2a4305cd06eba877c5c60e70768", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ternop v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]  Documenting mailin v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "d215f91158f091c41ab8d55acc064c1dc954c2a4305cd06eba877c5c60e70768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d215f91158f091c41ab8d55acc064c1dc954c2a4305cd06eba877c5c60e70768", kill_on_drop: false }`
[INFO] [stdout] d215f91158f091c41ab8d55acc064c1dc954c2a4305cd06eba877c5c60e70768