[INFO] cloning repository https://github.com/postpersonality/serde-transcode-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/postpersonality/serde-transcode-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostpersonality%2Fserde-transcode-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostpersonality%2Fserde-transcode-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5dfdd34e485a7a93be19c55372c1bbade1328ad
[INFO] documenting postpersonality/serde-transcode-cli against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostpersonality%2Fserde-transcode-cli" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/postpersonality/serde-transcode-cli on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/postpersonality/serde-transcode-cli
[INFO] finished tweaking git repo https://github.com/postpersonality/serde-transcode-cli
[INFO] tweaked toml for git repo https://github.com/postpersonality/serde-transcode-cli written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/postpersonality/serde-transcode-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.3
[INFO] [stderr]   Downloaded assert_fs v0.11.3
[INFO] [stderr]   Downloaded ignore v0.4.7
[INFO] [stderr]   Downloaded bstr v0.1.3
[INFO] [stderr]   Downloaded globwalk v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7efd8628bdaaa8665a74e1659a7c179295be7f9876709f5d08fdfb6b4348e6c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7efd8628bdaaa8665a74e1659a7c179295be7f9876709f5d08fdfb6b4348e6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7efd8628bdaaa8665a74e1659a7c179295be7f9876709f5d08fdfb6b4348e6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7efd8628bdaaa8665a74e1659a7c179295be7f9876709f5d08fdfb6b4348e6c4", kill_on_drop: false }`
[INFO] [stdout] 7efd8628bdaaa8665a74e1659a7c179295be7f9876709f5d08fdfb6b4348e6c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0dccb54d38f238e60c5eeab17d69985c3fe21c01cbbe07f5c90cc4221f4e43d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e0dccb54d38f238e60c5eeab17d69985c3fe21c01cbbe07f5c90cc4221f4e43d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]  Documenting serde-transcode-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.20s
[INFO] running `Command { std: "docker" "inspect" "e0dccb54d38f238e60c5eeab17d69985c3fe21c01cbbe07f5c90cc4221f4e43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dccb54d38f238e60c5eeab17d69985c3fe21c01cbbe07f5c90cc4221f4e43d", kill_on_drop: false }`
[INFO] [stdout] e0dccb54d38f238e60c5eeab17d69985c3fe21c01cbbe07f5c90cc4221f4e43d