[INFO] updating cached repository https://github.com/snoyberg/lightsout-rs
[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] 76008bccf87b0685164b2da45eeaf82f440a9de8
[INFO] documenting snoyberg/lightsout-rs against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs" "/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/snoyberg/lightsout-rs 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/snoyberg/lightsout-rs
[INFO] finished tweaking git repo https://github.com/snoyberg/lightsout-rs
[INFO] tweaked toml for git repo https://github.com/snoyberg/lightsout-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/snoyberg/lightsout-rs 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-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" "+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] e9dfa577385dae46fc482a7fd7a92e46f6f161a1de95d47135686a36444f1936
[INFO] running `Command { std: "docker" "start" "-a" "e9dfa577385dae46fc482a7fd7a92e46f6f161a1de95d47135686a36444f1936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9dfa577385dae46fc482a7fd7a92e46f6f161a1de95d47135686a36444f1936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9dfa577385dae46fc482a7fd7a92e46f6f161a1de95d47135686a36444f1936", kill_on_drop: false }`
[INFO] [stdout] e9dfa577385dae46fc482a7fd7a92e46f6f161a1de95d47135686a36444f1936
[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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 472e1c366ca9ab36037cac829158bea1bcb14bedd0d4478f006ecc0697c60f0f
[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" "472e1c366ca9ab36037cac829158bea1bcb14bedd0d4478f006ecc0697c60f0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling stdweb v0.4.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]  Documenting lightsout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.00s
[INFO] running `Command { std: "docker" "inspect" "472e1c366ca9ab36037cac829158bea1bcb14bedd0d4478f006ecc0697c60f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472e1c366ca9ab36037cac829158bea1bcb14bedd0d4478f006ecc0697c60f0f", kill_on_drop: false }`
[INFO] [stdout] 472e1c366ca9ab36037cac829158bea1bcb14bedd0d4478f006ecc0697c60f0f