[INFO] fetching crate mailin 0.6.0...
[INFO] documenting mailin-0.6.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mailin 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mailin 0.6.0 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 crates.io crate mailin 0.6.0
[INFO] finished tweaking crates.io crate mailin 0.6.0
[INFO] tweaked toml for crates.io crate mailin 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d44621bfe433d50c85b27b222220f60887d4201a6ba9f7986ffc8a1a1ab30291
[INFO] running `Command { std: "docker" "start" "-a" "d44621bfe433d50c85b27b222220f60887d4201a6ba9f7986ffc8a1a1ab30291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d44621bfe433d50c85b27b222220f60887d4201a6ba9f7986ffc8a1a1ab30291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44621bfe433d50c85b27b222220f60887d4201a6ba9f7986ffc8a1a1ab30291", kill_on_drop: false }`
[INFO] [stdout] d44621bfe433d50c85b27b222220f60887d4201a6ba9f7986ffc8a1a1ab30291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a24c5f78116f8538b354b434c5ecebd39fad7f18e749fc53d5a728858e4600aa
[INFO] running `Command { std: "docker" "start" "-a" "a24c5f78116f8538b354b434c5ecebd39fad7f18e749fc53d5a728858e4600aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[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]     Checking nom v7.1.1
[INFO] [stderr]  Documenting mailin v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "a24c5f78116f8538b354b434c5ecebd39fad7f18e749fc53d5a728858e4600aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24c5f78116f8538b354b434c5ecebd39fad7f18e749fc53d5a728858e4600aa", kill_on_drop: false }`
[INFO] [stdout] a24c5f78116f8538b354b434c5ecebd39fad7f18e749fc53d5a728858e4600aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 82a8c5c1809757fb2376ec2163ab66784c896ce0f291540d7b0065de62d0467d
[INFO] running `Command { std: "docker" "start" "-a" "82a8c5c1809757fb2376ec2163ab66784c896ce0f291540d7b0065de62d0467d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ternop v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]  Documenting mailin v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "82a8c5c1809757fb2376ec2163ab66784c896ce0f291540d7b0065de62d0467d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a8c5c1809757fb2376ec2163ab66784c896ce0f291540d7b0065de62d0467d", kill_on_drop: false }`
[INFO] [stdout] 82a8c5c1809757fb2376ec2163ab66784c896ce0f291540d7b0065de62d0467d