[INFO] cloning repository https://github.com/kmakeev/puzzle15rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmakeev/puzzle15rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a0a1577f752888a68360bf2d818b46b2513cdd5
[INFO] documenting kmakeev/puzzle15rust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmakeev/puzzle15rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kmakeev/puzzle15rust
[INFO] finished tweaking git repo https://github.com/kmakeev/puzzle15rust
[INFO] tweaked toml for git repo https://github.com/kmakeev/puzzle15rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kmakeev/puzzle15rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 2ca97b45f9d7b18604acea411c94bd2013a8c39cb212b44e198db8a807848be5
[INFO] running `Command { std: "docker" "start" "-a" "2ca97b45f9d7b18604acea411c94bd2013a8c39cb212b44e198db8a807848be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ca97b45f9d7b18604acea411c94bd2013a8c39cb212b44e198db8a807848be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca97b45f9d7b18604acea411c94bd2013a8c39cb212b44e198db8a807848be5", kill_on_drop: false }`
[INFO] [stdout] 2ca97b45f9d7b18604acea411c94bd2013a8c39cb212b44e198db8a807848be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c5540e9a47428412a4b14ef01f9c1364ad547106e3a3ed41cf0b5916bb941c9
[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" "2c5540e9a47428412a4b14ef01f9c1364ad547106e3a3ed41cf0b5916bb941c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]  Documenting puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.35s
[INFO] running `Command { std: "docker" "inspect" "2c5540e9a47428412a4b14ef01f9c1364ad547106e3a3ed41cf0b5916bb941c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5540e9a47428412a4b14ef01f9c1364ad547106e3a3ed41cf0b5916bb941c9", kill_on_drop: false }`
[INFO] [stdout] 2c5540e9a47428412a4b14ef01f9c1364ad547106e3a3ed41cf0b5916bb941c9