[INFO] updating cached repository https://github.com/AaronBecker/daydreamer
[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] 97e5c323d969b0376e966bb0bf487de44182c32e
[INFO] documenting AaronBecker/daydreamer against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronBecker%2Fdaydreamer" "/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/AaronBecker/daydreamer 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/AaronBecker/daydreamer
[INFO] finished tweaking git repo https://github.com/AaronBecker/daydreamer
[INFO] tweaked toml for git repo https://github.com/AaronBecker/daydreamer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/AaronBecker/daydreamer 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] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] 7ad6cdc2017ba68b4ff76d47ccf60d0ff4017fc21cf01c7b2ab3c34b281cea65
[INFO] running `Command { std: "docker" "start" "-a" "7ad6cdc2017ba68b4ff76d47ccf60d0ff4017fc21cf01c7b2ab3c34b281cea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ad6cdc2017ba68b4ff76d47ccf60d0ff4017fc21cf01c7b2ab3c34b281cea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad6cdc2017ba68b4ff76d47ccf60d0ff4017fc21cf01c7b2ab3c34b281cea65", kill_on_drop: false }`
[INFO] [stdout] 7ad6cdc2017ba68b4ff76d47ccf60d0ff4017fc21cf01c7b2ab3c34b281cea65
[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" "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] 268fdb4fb25142b09bf61b9f40dde5a47a8ea2c4731ddb71636c4d5dc643e2d9
[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" "268fdb4fb25142b09bf61b9f40dde5a47a8ea2c4731ddb71636c4d5dc643e2d9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling daydreamer v2.0.0-pre2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting daydreamer v2.0.0-pre2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::StdRng`
[INFO] [stdout]    --> src/bitboard.rs:452:34
[INFO] [stdout]     |
[INFO] [stdout] 452 |     use rand::{Rng, SeedableRng, StdRng};
[INFO] [stdout]     |                                  ^^^^^^ no `StdRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::StdRng`
[INFO] [stdout]   --> src/position.rs:68:38
[INFO] [stdout]    |
[INFO] [stdout] 68 |         use rand::{Rng, SeedableRng, StdRng};
[INFO] [stdout]    |                                      ^^^^^^ no `StdRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `daydreamer`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name daydreamer src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-0c2b4636fbe1df6f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3f316a38575324c2.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "268fdb4fb25142b09bf61b9f40dde5a47a8ea2c4731ddb71636c4d5dc643e2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268fdb4fb25142b09bf61b9f40dde5a47a8ea2c4731ddb71636c4d5dc643e2d9", kill_on_drop: false }`
[INFO] [stdout] 268fdb4fb25142b09bf61b9f40dde5a47a8ea2c4731ddb71636c4d5dc643e2d9