[INFO] cloning repository https://github.com/jstarry/ledger-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jstarry/ledger-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstarry%2Fledger-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstarry%2Fledger-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e0ccc930e4263c296770817bb00744b15bb1038
[INFO] documenting jstarry/ledger-stats against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstarry%2Fledger-stats" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jstarry/ledger-stats 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/jstarry/ledger-stats
[INFO] finished tweaking git repo https://github.com/jstarry/ledger-stats
[INFO] tweaked toml for git repo https://github.com/jstarry/ledger-stats written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jstarry/ledger-stats 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcbe00159d23677354746fcc217e84c7d1115b4b27977bde3f947ca94737d45c
[INFO] running `Command { std: "docker" "start" "-a" "bcbe00159d23677354746fcc217e84c7d1115b4b27977bde3f947ca94737d45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcbe00159d23677354746fcc217e84c7d1115b4b27977bde3f947ca94737d45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbe00159d23677354746fcc217e84c7d1115b4b27977bde3f947ca94737d45c", kill_on_drop: false }`
[INFO] [stdout] bcbe00159d23677354746fcc217e84c7d1115b4b27977bde3f947ca94737d45c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 67f3774463bcfb2e37ba7cb9ec92a93c28fb7351c72d4d91f3be2c7a63fc3e2f
[INFO] running `Command { std: "docker" "start" "-a" "67f3774463bcfb2e37ba7cb9ec92a93c28fb7351c72d4d91f3be2c7a63fc3e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting ledgerstats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.15s
[INFO] running `Command { std: "docker" "inspect" "67f3774463bcfb2e37ba7cb9ec92a93c28fb7351c72d4d91f3be2c7a63fc3e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f3774463bcfb2e37ba7cb9ec92a93c28fb7351c72d4d91f3be2c7a63fc3e2f", kill_on_drop: false }`
[INFO] [stdout] 67f3774463bcfb2e37ba7cb9ec92a93c28fb7351c72d4d91f3be2c7a63fc3e2f