[INFO] updating cached repository https://github.com/bjeanes/heroku-drain-datadog
[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] c07d238aa5e987449bf89e6ee9ae695b790ab1c2
[INFO] documenting bjeanes/heroku-drain-datadog against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjeanes%2Fheroku-drain-datadog" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bjeanes/heroku-drain-datadog 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/bjeanes/heroku-drain-datadog
[INFO] finished tweaking git repo https://github.com/bjeanes/heroku-drain-datadog
[INFO] tweaked toml for git repo https://github.com/bjeanes/heroku-drain-datadog written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bjeanes/heroku-drain-datadog 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] [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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e8f69ca21ef841dc3954e41fbc0e5d9d378a6cd23f179f40621ed65dad52c8a8
[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" "e8f69ca21ef841dc3954e41fbc0e5d9d378a6cd23f179f40621ed65dad52c8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8f69ca21ef841dc3954e41fbc0e5d9d378a6cd23f179f40621ed65dad52c8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f69ca21ef841dc3954e41fbc0e5d9d378a6cd23f179f40621ed65dad52c8a8", kill_on_drop: false }`
[INFO] [stdout] e8f69ca21ef841dc3954e41fbc0e5d9d378a6cd23f179f40621ed65dad52c8a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c846aca337719c730ab9ce700688b2bf08abae620fc7f9c671873ca54fe1c8a8
[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" "c846aca337719c730ab9ce700688b2bf08abae620fc7f9c671873ca54fe1c8a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking gzip-header v0.2.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking buf_redux v0.8.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tiny_http v0.6.1
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking multipart v0.15.4
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking syslog_heroku v0.1.0
[INFO] [stderr]     Checking rouille v3.0.0
[INFO] [stderr]  Documenting heroku-drain-datadog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.22s
[INFO] running `Command { std: "docker" "inspect" "c846aca337719c730ab9ce700688b2bf08abae620fc7f9c671873ca54fe1c8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c846aca337719c730ab9ce700688b2bf08abae620fc7f9c671873ca54fe1c8a8", kill_on_drop: false }`
[INFO] [stdout] c846aca337719c730ab9ce700688b2bf08abae620fc7f9c671873ca54fe1c8a8