[INFO] fetching crate rust_poker 0.1.14...
[INFO] testing rust_poker-0.1.14 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rust_poker 0.1.14 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate rust_poker 0.1.14 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_poker 0.1.14
[INFO] finished tweaking crates.io crate rust_poker 0.1.14
[INFO] tweaked toml for crates.io crate rust_poker 0.1.14 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e140e6a790e75561c0c8d9b87fb043c559e34f672e968b64aec9afbce8017266
[INFO] running `Command { std: "docker" "start" "-a" "e140e6a790e75561c0c8d9b87fb043c559e34f672e968b64aec9afbce8017266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e140e6a790e75561c0c8d9b87fb043c559e34f672e968b64aec9afbce8017266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e140e6a790e75561c0c8d9b87fb043c559e34f672e968b64aec9afbce8017266", kill_on_drop: false }`
[INFO] [stdout] e140e6a790e75561c0c8d9b87fb043c559e34f672e968b64aec9afbce8017266
[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" "RUSTFLAGS=--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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19ae6353e0a8568fed7a235e2e2921b840d202d4ea2eb0849b3f1819a8046295
[INFO] running `Command { std: "docker" "start" "-a" "19ae6353e0a8568fed7a235e2e2921b840d202d4ea2eb0849b3f1819a8046295", kill_on_drop: false }`
[INFO] [stderr]    Compiling read_write v0.1.2
[INFO] [stderr]    Compiling fastdivide v0.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling gen_eval_table v0.1.2
[INFO] [stderr]    Compiling rust_poker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/equity_calculator/simulator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_poker` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "19ae6353e0a8568fed7a235e2e2921b840d202d4ea2eb0849b3f1819a8046295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ae6353e0a8568fed7a235e2e2921b840d202d4ea2eb0849b3f1819a8046295", kill_on_drop: false }`
[INFO] [stdout] 19ae6353e0a8568fed7a235e2e2921b840d202d4ea2eb0849b3f1819a8046295