[INFO] updating cached repository https://github.com/redcarpetoaxaca/vigilant-umbrella
[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] 017cab5ec82fe0b663f3bc5bff5501528b55be57
[INFO] documenting redcarpetoaxaca/vigilant-umbrella against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredcarpetoaxaca%2Fvigilant-umbrella" "/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/redcarpetoaxaca/vigilant-umbrella on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redcarpetoaxaca/vigilant-umbrella
[INFO] finished tweaking git repo https://github.com/redcarpetoaxaca/vigilant-umbrella
[INFO] tweaked toml for git repo https://github.com/redcarpetoaxaca/vigilant-umbrella written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/redcarpetoaxaca/vigilant-umbrella already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aa3e009018c36ac3a683cfdf13229af74a6892110a14cd406f8d5255e90a539
[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" "8aa3e009018c36ac3a683cfdf13229af74a6892110a14cd406f8d5255e90a539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa3e009018c36ac3a683cfdf13229af74a6892110a14cd406f8d5255e90a539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa3e009018c36ac3a683cfdf13229af74a6892110a14cd406f8d5255e90a539", kill_on_drop: false }`
[INFO] [stdout] 8aa3e009018c36ac3a683cfdf13229af74a6892110a14cd406f8d5255e90a539
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1be18dc6444600e162a4187c1a4ee6a2f9c27e0cd229324ec994826b79b15413
[INFO] running `Command { std: "docker" "start" "-a" "1be18dc6444600e162a4187c1a4ee6a2f9c27e0cd229324ec994826b79b15413", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling unic-langid-impl v0.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking fluent-syntax v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking intl_pluralrules v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling rental-impl v0.5.4
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling unic-langid-macros-impl v0.2.0
[INFO] [stderr]     Checking unic-langid-macros v0.2.0
[INFO] [stderr]     Checking unic-langid v0.4.1
[INFO] [stderr]     Checking fluent-locale v0.7.0
[INFO] [stderr]     Checking intl_pluralrules v2.0.0
[INFO] [stderr]     Checking rental v0.5.4
[INFO] [stderr]     Checking fluent-bundle v0.6.0
[INFO] [stderr]     Checking fluent-bundle v0.7.1
[INFO] [stderr]     Checking fluent v0.6.0
[INFO] [stderr]  Documenting vigilant-umbrella v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.09s
[INFO] running `Command { std: "docker" "inspect" "1be18dc6444600e162a4187c1a4ee6a2f9c27e0cd229324ec994826b79b15413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be18dc6444600e162a4187c1a4ee6a2f9c27e0cd229324ec994826b79b15413", kill_on_drop: false }`
[INFO] [stdout] 1be18dc6444600e162a4187c1a4ee6a2f9c27e0cd229324ec994826b79b15413