[INFO] updating cached repository https://github.com/dashed/yampa
[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] df613a9f1fb164806896e4e72be2d58d35a96893
[INFO] documenting dashed/yampa against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashed%2Fyampa" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dashed/yampa 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/dashed/yampa
[INFO] finished tweaking git repo https://github.com/dashed/yampa
[INFO] tweaked toml for git repo https://github.com/dashed/yampa written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dashed/yampa 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bb7452bf5b28a10df064b2893af49b999121777a07df8b00d91ef78e07e00e1d
[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" "bb7452bf5b28a10df064b2893af49b999121777a07df8b00d91ef78e07e00e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb7452bf5b28a10df064b2893af49b999121777a07df8b00d91ef78e07e00e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7452bf5b28a10df064b2893af49b999121777a07df8b00d91ef78e07e00e1d", kill_on_drop: false }`
[INFO] [stdout] bb7452bf5b28a10df064b2893af49b999121777a07df8b00d91ef78e07e00e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0b964bde078ffe3a9a5e69c8b646f73c85dedcdfc4664533497b3e7a5ee27f6d
[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" "0b964bde078ffe3a9a5e69c8b646f73c85dedcdfc4664533497b3e7a5ee27f6d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling ring v0.7.1
[INFO] [stderr]    Compiling quote v0.3.13
[INFO] [stderr]     Checking constant_time_eq v0.1.2
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking serde v0.9.8
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking version v2.0.1
[INFO] [stderr]    Compiling synom v0.11.0
[INFO] [stderr]     Checking colored v1.4.0
[INFO] [stderr]     Checking blake2-rfc v0.2.17
[INFO] [stderr]    Compiling syn v0.11.6
[INFO] [stderr]     Checking argon2rs v0.2.5
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking secstr v0.2.1
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.0
[INFO] [stderr]     Checking ring-pwhash v0.1.2
[INFO] [stderr]    Compiling serde_derive v0.9.8
[INFO] [stderr]     Checking serde_json v0.9.8
[INFO] [stderr]  Documenting yampa v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.74s
[INFO] running `Command { std: "docker" "inspect" "0b964bde078ffe3a9a5e69c8b646f73c85dedcdfc4664533497b3e7a5ee27f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b964bde078ffe3a9a5e69c8b646f73c85dedcdfc4664533497b3e7a5ee27f6d", kill_on_drop: false }`
[INFO] [stdout] 0b964bde078ffe3a9a5e69c8b646f73c85dedcdfc4664533497b3e7a5ee27f6d