[INFO] updating cached repository https://github.com/sector-f/xtraceroute
[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] ca2a6b3278a3a668a00f9ee314ea6574e125db0f
[INFO] documenting sector-f/xtraceroute against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Fxtraceroute" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sector-f/xtraceroute 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/sector-f/xtraceroute
[INFO] finished tweaking git repo https://github.com/sector-f/xtraceroute
[INFO] tweaked toml for git repo https://github.com/sector-f/xtraceroute written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sector-f/xtraceroute 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 553ec73833f9a1a59de3d14d1f2b786539c0bc8b71d9bb88e77d32ad353ea0ea
[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" "553ec73833f9a1a59de3d14d1f2b786539c0bc8b71d9bb88e77d32ad353ea0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553ec73833f9a1a59de3d14d1f2b786539c0bc8b71d9bb88e77d32ad353ea0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553ec73833f9a1a59de3d14d1f2b786539c0bc8b71d9bb88e77d32ad353ea0ea", kill_on_drop: false }`
[INFO] [stdout] 553ec73833f9a1a59de3d14d1f2b786539c0bc8b71d9bb88e77d32ad353ea0ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 37d4b25f5337bb482be9f418701626ee9ac4f14ae0263d374de8cb99b1a75926
[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" "37d4b25f5337bb482be9f418701626ee9ac4f14ae0263d374de8cb99b1a75926", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.28
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]     Checking num-bigint v0.2.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking socket v0.0.7
[INFO] [stderr]     Checking traceroute v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]  Documenting xtraceroute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.23s
[INFO] running `Command { std: "docker" "inspect" "37d4b25f5337bb482be9f418701626ee9ac4f14ae0263d374de8cb99b1a75926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d4b25f5337bb482be9f418701626ee9ac4f14ae0263d374de8cb99b1a75926", kill_on_drop: false }`
[INFO] [stdout] 37d4b25f5337bb482be9f418701626ee9ac4f14ae0263d374de8cb99b1a75926