[INFO] fetching crate rhai 0.12.0...
[INFO] checking rhai-0.12.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate rhai 0.12.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rhai 0.12.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rhai 0.12.0
[INFO] finished tweaking crates.io crate rhai 0.12.0
[INFO] tweaked toml for crates.io crate rhai 0.12.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rhai 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ec66871e228fc879c5113435856cba937b8f24648a46b451e2d6b43881254fe
[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" "7ec66871e228fc879c5113435856cba937b8f24648a46b451e2d6b43881254fe"`
[INFO] [stderr]     Checking rhai v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Shl`, `Shr`
[INFO] [stderr]   --> src/builtin.rs:28:66
[INFO] [stderr]    |
[INFO] [stderr] 28 |     ops::{Add, BitAnd, BitOr, BitXor, Div, Mul, Neg, Range, Rem, Shl, Shr, Sub},
[INFO] [stderr]    |                                                                  ^^^  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Shl`, `Shr`
[INFO] [stderr]   --> src/builtin.rs:28:66
[INFO] [stderr]    |
[INFO] [stderr] 28 |     ops::{Add, BitAnd, BitOr, BitXor, Div, Mul, Neg, Range, Rem, Shl, Shr, Sub},
[INFO] [stderr]    |                                                                  ^^^  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]   --> src/engine.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `string::String`, `vec`
[INFO] [stderr]  --> src/fn_call.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::stdlib::{string::String, vec, vec::Vec};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]   --> src/engine.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `string::String`, `vec`
[INFO] [stderr]  --> src/fn_call.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::stdlib::{string::String, vec, vec::Vec};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]   --> src/optimize.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]   --> src/parser.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `String`, `ToString`
[INFO] [stderr]  --> src/scope.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     string::{String, ToString},
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]   --> src/optimize.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]   --> src/parser.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `String`, `ToString`
[INFO] [stderr]  --> src/scope.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     string::{String, ToString},
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/engine.rs:1511:13
[INFO] [stderr]      |
[INFO] [stderr] 1511 |             _ => panic!("should not appear: {:?}", expr),
[INFO] [stderr]      |             ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/engine.rs:1511:13
[INFO] [stderr]      |
[INFO] [stderr] 1511 |             _ => panic!("should not appear: {:?}", expr),
[INFO] [stderr]      |             ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iter`
[INFO] [stderr]  --> examples/rhai_runner.rs:6:36
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{env, fs::File, io::Read, iter, process::exit};
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iter`
[INFO] [stderr]  --> examples/repl.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     iter,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `INT`
[INFO] [stderr]  --> tests/time.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rhai::{Engine, EvalAltResult, INT};
[INFO] [stderr]   |                                   ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.09s
[INFO] running `"docker" "inspect" "7ec66871e228fc879c5113435856cba937b8f24648a46b451e2d6b43881254fe"`
[INFO] running `"docker" "rm" "-f" "7ec66871e228fc879c5113435856cba937b8f24648a46b451e2d6b43881254fe"`
[INFO] [stdout] 7ec66871e228fc879c5113435856cba937b8f24648a46b451e2d6b43881254fe