[INFO] fetching crate gameai 0.0.2...
[INFO] documenting gameai-0.0.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate gameai 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gameai 0.0.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gameai 0.0.2
[INFO] finished tweaking crates.io crate gameai 0.0.2
[INFO] tweaked toml for crates.io crate gameai 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpuprofiler v0.0.4
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc6af8c0bf9971130ed5baffd9c949592c7d54e1ad7821a1f762ebbc0c5df6f9
[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" "dc6af8c0bf9971130ed5baffd9c949592c7d54e1ad7821a1f762ebbc0c5df6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6af8c0bf9971130ed5baffd9c949592c7d54e1ad7821a1f762ebbc0c5df6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6af8c0bf9971130ed5baffd9c949592c7d54e1ad7821a1f762ebbc0c5df6f9", kill_on_drop: false }`
[INFO] [stdout] dc6af8c0bf9971130ed5baffd9c949592c7d54e1ad7821a1f762ebbc0c5df6f9
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5fc9553fbbd310e19d6d22da6729de9f9a09ab9a434b1aca1991595b242e0ae
[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" "c5fc9553fbbd310e19d6d22da6729de9f9a09ab9a434b1aca1991595b242e0ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cpuprofiler v0.0.4
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking gameai v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting gameai v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]  --> src/strategies/negamax.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::XorShiftRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]  --> src/strategies/mcts.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, XorShiftRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]  --> src/strategies/mcts_parallel.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::XorShiftRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]  --> src/strategies/negamax.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::XorShiftRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]  --> src/strategies/mcts.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, XorShiftRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stdout]  --> src/strategies/mcts_parallel.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::XorShiftRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stdout]   --> src/game/connectfour.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl rand::Rand for Color {
[INFO] [stdout]    |            ^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stdout]   --> src/game/dots.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl rand::Rand for DotsPlayer {
[INFO] [stdout]    |            ^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stdout]    --> src/runner.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |     G::Agent: Send + rand::Rand + fmt::Display,
[INFO] [stdout]     |                            ^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `gameai`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name gameai src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-d8de5d56e70a343c.rmeta --extern cpuprofiler=/opt/rustwide/target/debug/deps/libcpuprofiler-0a527f81561dbf3d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-11946bb198eefaee.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-2668304b401a369d.rmeta --cap-lints=warn --crate-version 0.0.2` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stdout]   --> src/game/connectfour.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl rand::Rand for Color {
[INFO] [stdout]    |            ^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stdout]   --> src/game/dots.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl rand::Rand for DotsPlayer {
[INFO] [stdout]    |            ^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stdout]    --> src/runner.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |     G::Agent: Send + rand::Rand + fmt::Display,
[INFO] [stdout]     |                            ^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runner.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub type Plr<'a, G> = &'a mut Player<G>;
[INFO] [stdout]     |                               ^^^^^^^^^ help: use `dyn`: `dyn Player<G>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c5fc9553fbbd310e19d6d22da6729de9f9a09ab9a434b1aca1991595b242e0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5fc9553fbbd310e19d6d22da6729de9f9a09ab9a434b1aca1991595b242e0ae", kill_on_drop: false }`
[INFO] [stdout] c5fc9553fbbd310e19d6d22da6729de9f9a09ab9a434b1aca1991595b242e0ae