[INFO] cloning repository https://github.com/barafael/mail2json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barafael/mail2json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarafael%2Fmail2json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarafael%2Fmail2json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea50ee54e83f59330e3d228b87e710218b393974
[INFO] documenting barafael/mail2json 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%2Fbarafael%2Fmail2json" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/barafael/mail2json 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/barafael/mail2json
[INFO] finished tweaking git repo https://github.com/barafael/mail2json
[INFO] tweaked toml for git repo https://github.com/barafael/mail2json written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/barafael/mail2json 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 3db2ee61531eeefc1f36f93437e1f703157de7584aad4dc9418b75c03e518dbf
[INFO] running `Command { std: "docker" "start" "-a" "3db2ee61531eeefc1f36f93437e1f703157de7584aad4dc9418b75c03e518dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3db2ee61531eeefc1f36f93437e1f703157de7584aad4dc9418b75c03e518dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db2ee61531eeefc1f36f93437e1f703157de7584aad4dc9418b75c03e518dbf", kill_on_drop: false }`
[INFO] [stdout] 3db2ee61531eeefc1f36f93437e1f703157de7584aad4dc9418b75c03e518dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] f9fdfa39514e14c4805d01cd044d199183783137a858718cbb2c26a1394b840d
[INFO] running `Command { std: "docker" "start" "-a" "f9fdfa39514e14c4805d01cd044d199183783137a858718cbb2c26a1394b840d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking mail-parser v0.4.5
[INFO] [stderr]  Documenting mail2json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.44s
[INFO] running `Command { std: "docker" "inspect" "f9fdfa39514e14c4805d01cd044d199183783137a858718cbb2c26a1394b840d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fdfa39514e14c4805d01cd044d199183783137a858718cbb2c26a1394b840d", kill_on_drop: false }`
[INFO] [stdout] f9fdfa39514e14c4805d01cd044d199183783137a858718cbb2c26a1394b840d