[INFO] updating cached repository https://github.com/shamag/imap-downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f81ac985aab53e3468c94dc6367af6bb7908344
[INFO] documenting shamag/imap-downloader against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamag%2Fimap-downloader" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shamag/imap-downloader on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shamag/imap-downloader
[INFO] finished tweaking git repo https://github.com/shamag/imap-downloader
[INFO] tweaked toml for git repo https://github.com/shamag/imap-downloader written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/shamag/imap-downloader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3891c7c942b5f045b8ee41e383c18b8b24a6327cd0887ae7165f5f913a64e253
[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" "3891c7c942b5f045b8ee41e383c18b8b24a6327cd0887ae7165f5f913a64e253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3891c7c942b5f045b8ee41e383c18b8b24a6327cd0887ae7165f5f913a64e253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3891c7c942b5f045b8ee41e383c18b8b24a6327cd0887ae7165f5f913a64e253", kill_on_drop: false }`
[INFO] [stdout] 3891c7c942b5f045b8ee41e383c18b8b24a6327cd0887ae7165f5f913a64e253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7d693ce38e326f4423273d61ae8ae56fd9723f6ec61975ef8ca68e9b53aa00c
[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" "b7d693ce38e326f4423273d61ae8ae56fd9723f6ec61975ef8ca68e9b53aa00c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]     Checking quoted_printable v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.8.0
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]     Checking imap v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]  Documenting imap-downloader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.81s
[INFO] running `Command { std: "docker" "inspect" "b7d693ce38e326f4423273d61ae8ae56fd9723f6ec61975ef8ca68e9b53aa00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d693ce38e326f4423273d61ae8ae56fd9723f6ec61975ef8ca68e9b53aa00c", kill_on_drop: false }`
[INFO] [stdout] b7d693ce38e326f4423273d61ae8ae56fd9723f6ec61975ef8ca68e9b53aa00c