[INFO] fetching crate gameai 0.0.2...
[INFO] checking gameai-0.0.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate gameai 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gameai 0.0.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add6b91409b00692d2e8099d1fac9eecfb559f67c3f0697593dd849a1fdadc8b
[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" "add6b91409b00692d2e8099d1fac9eecfb559f67c3f0697593dd849a1fdadc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add6b91409b00692d2e8099d1fac9eecfb559f67c3f0697593dd849a1fdadc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add6b91409b00692d2e8099d1fac9eecfb559f67c3f0697593dd849a1fdadc8b", kill_on_drop: false }`
[INFO] [stdout] add6b91409b00692d2e8099d1fac9eecfb559f67c3f0697593dd849a1fdadc8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae30032f039f12f7e34668527215388a8d5afca0a1c2182c71b43b10bbfc5fcd
[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" "ae30032f039f12f7e34668527215388a8d5afca0a1c2182c71b43b10bbfc5fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling cpuprofiler v0.0.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[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]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking 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] 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] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[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: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[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] [stderr] error: could not compile `gameai`
[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] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[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" "ae30032f039f12f7e34668527215388a8d5afca0a1c2182c71b43b10bbfc5fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae30032f039f12f7e34668527215388a8d5afca0a1c2182c71b43b10bbfc5fcd", kill_on_drop: false }`
[INFO] [stdout] ae30032f039f12f7e34668527215388a8d5afca0a1c2182c71b43b10bbfc5fcd