[INFO] fetching crate redlock-rs 0.2.1...
[INFO] documenting redlock-rs-0.2.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate redlock-rs 0.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate redlock-rs 0.2.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redlock-rs 0.2.1
[INFO] finished tweaking crates.io crate redlock-rs 0.2.1
[INFO] tweaked toml for crates.io crate redlock-rs 0.2.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1d0d357021c3dcb8ea2218ecef8a91aba632201b0bb8acff33fde6fcf4303f
[INFO] running `Command { std: "docker" "start" "-a" "9e1d0d357021c3dcb8ea2218ecef8a91aba632201b0bb8acff33fde6fcf4303f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1d0d357021c3dcb8ea2218ecef8a91aba632201b0bb8acff33fde6fcf4303f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1d0d357021c3dcb8ea2218ecef8a91aba632201b0bb8acff33fde6fcf4303f", kill_on_drop: false }`
[INFO] [stdout] 9e1d0d357021c3dcb8ea2218ecef8a91aba632201b0bb8acff33fde6fcf4303f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e28d5a78dc1ce4a1abb37d05d15e7f5515e052a3e09e9a952516fe69070717fe
[INFO] running `Command { std: "docker" "start" "-a" "e28d5a78dc1ce4a1abb37d05d15e7f5515e052a3e09e9a952516fe69070717fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking combine v4.6.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking redis v0.21.5
[INFO] [stderr]  Documenting redlock-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `rand::distributions::IndependentSample`, `rand::distributions::Range`
[INFO] [stdout]  --> src/redlock.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::distributions::{IndependentSample, Range};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^ no `Range` in `distributions`
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           no `IndependentSample` in `distributions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `redlock-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name redlock src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ecf1f78c95ae055d -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-efb7a43670652d5c.rmeta --extern redis=/opt/rustwide/target/debug/deps/libredis-5505d8912c0e5fc0.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-7300c0ad41c74d69.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e28d5a78dc1ce4a1abb37d05d15e7f5515e052a3e09e9a952516fe69070717fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28d5a78dc1ce4a1abb37d05d15e7f5515e052a3e09e9a952516fe69070717fe", kill_on_drop: false }`
[INFO] [stdout] e28d5a78dc1ce4a1abb37d05d15e7f5515e052a3e09e9a952516fe69070717fe