[INFO] crate gameai 0.0.2 is already in cache
[INFO] testing gameai-0.0.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate gameai 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gameai 0.0.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 0a43e6014c89a6fe760050110580b8d3bc93d7f9ea6e087291c74d725bb7b03e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0a43e6014c89a6fe760050110580b8d3bc93d7f9ea6e087291c74d725bb7b03e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cpuprofiler v0.0.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling gameai v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]  --> src/strategies/negamax.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::XorShiftRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]  --> src/strategies/mcts.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{Rng, XorShiftRng};
[INFO] [stderr]   |                 ^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::XorShiftRng`
[INFO] [stderr]  --> src/strategies/mcts_parallel.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::XorShiftRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `XorShiftRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stderr]   --> src/game/connectfour.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl rand::Rand for Color {
[INFO] [stderr]    |            ^^^^ not found in `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stderr]   --> src/game/dots.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl rand::Rand for DotsPlayer {
[INFO] [stderr]    |            ^^^^ not found in `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Rand` in crate `rand`
[INFO] [stderr]    --> src/runner.rs:126:28
[INFO] [stderr]     |
[INFO] [stderr] 126 |     G::Agent: Send + rand::Rand + fmt::Display,
[INFO] [stderr]     |                            ^^^^ not found in `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub type Plr<'a, G> = &'a mut Player<G>;
[INFO] [stderr]     |                               ^^^^^^^^^ help: use `dyn`: `dyn Player<G>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: could not compile `gameai`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0a43e6014c89a6fe760050110580b8d3bc93d7f9ea6e087291c74d725bb7b03e"`
[INFO] running `"docker" "rm" "-f" "0a43e6014c89a6fe760050110580b8d3bc93d7f9ea6e087291c74d725bb7b03e"`
[INFO] [stdout] 0a43e6014c89a6fe760050110580b8d3bc93d7f9ea6e087291c74d725bb7b03e