[INFO] fetching crate mind 0.8.0...
[INFO] testing mind-0.8.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mind 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mind 0.8.0
[INFO] finished tweaking crates.io crate mind 0.8.0
[INFO] tweaked toml for crates.io crate mind 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mind 0.8.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mind 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a4a21a086e8a8016d86f6966c4895aab88f106b3b92b0907746e700d1e10f6
[INFO] running `Command { std: "docker" "start" "-a" "a6a4a21a086e8a8016d86f6966c4895aab88f106b3b92b0907746e700d1e10f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a4a21a086e8a8016d86f6966c4895aab88f106b3b92b0907746e700d1e10f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a4a21a086e8a8016d86f6966c4895aab88f106b3b92b0907746e700d1e10f6", kill_on_drop: false }`
[INFO] [stdout] a6a4a21a086e8a8016d86f6966c4895aab88f106b3b92b0907746e700d1e10f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce95c5d2c63dda3a1a929e0612b1c2dda114cf55f5d4b0fa20f8c75e694fbbc4
[INFO] running `Command { std: "docker" "start" "-a" "ce95c5d2c63dda3a1a929e0612b1c2dda114cf55f5d4b0fa20f8c75e694fbbc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling iana-time-zone v0.1.62
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling termion v2.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling chrono-humanize v0.2.3
[INFO] [stderr]    Compiling mind v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/mind.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 |             .map(|t| (now - *t.start()))
[INFO] [stdout]    |                      ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -             .map(|t| (now - *t.start()))
[INFO] [stdout] 99 +             .map(|t| now - *t.start())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "ce95c5d2c63dda3a1a929e0612b1c2dda114cf55f5d4b0fa20f8c75e694fbbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce95c5d2c63dda3a1a929e0612b1c2dda114cf55f5d4b0fa20f8c75e694fbbc4", kill_on_drop: false }`
[INFO] [stdout] ce95c5d2c63dda3a1a929e0612b1c2dda114cf55f5d4b0fa20f8c75e694fbbc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a72813c9e02eacaf0c7bc0ca35b768aa8b944d5897a5aa47c151a63949f0602d
[INFO] running `Command { std: "docker" "start" "-a" "a72813c9e02eacaf0c7bc0ca35b768aa8b944d5897a5aa47c151a63949f0602d", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/mind.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 |             .map(|t| (now - *t.start()))
[INFO] [stdout]    |                      ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -             .map(|t| (now - *t.start()))
[INFO] [stdout] 99 +             .map(|t| now - *t.start())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mind v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/mind.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 |             .map(|t| (now - *t.start()))
[INFO] [stdout]    |                      ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -             .map(|t| (now - *t.start()))
[INFO] [stdout] 99 +             .map(|t| now - *t.start())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a72813c9e02eacaf0c7bc0ca35b768aa8b944d5897a5aa47c151a63949f0602d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72813c9e02eacaf0c7bc0ca35b768aa8b944d5897a5aa47c151a63949f0602d", kill_on_drop: false }`
[INFO] [stdout] a72813c9e02eacaf0c7bc0ca35b768aa8b944d5897a5aa47c151a63949f0602d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65814d7acb0221d22c1a5f5f25c7bf494f68d243cb79b47de8d9fef13d9b332d
[INFO] running `Command { std: "docker" "start" "-a" "65814d7acb0221d22c1a5f5f25c7bf494f68d243cb79b47de8d9fef13d9b332d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/mind.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |             .map(|t| (now - *t.start()))
[INFO] [stderr]    |                      ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 99 -             .map(|t| (now - *t.start()))
[INFO] [stderr] 99 +             .map(|t| now - *t.start())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mind` (lib) generated 1 warning (run `cargo fix --lib -p mind` to apply 1 suggestion)
[INFO] [stderr] warning: `mind` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mind-6b774beaa3715b7f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mind-86731779e990b232)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mind
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/mind.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |             .map(|t| (now - *t.start()))
[INFO] [stderr]    |                      ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 99 -             .map(|t| (now - *t.start()))
[INFO] [stderr] 99 +             .map(|t| now - *t.start())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65814d7acb0221d22c1a5f5f25c7bf494f68d243cb79b47de8d9fef13d9b332d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65814d7acb0221d22c1a5f5f25c7bf494f68d243cb79b47de8d9fef13d9b332d", kill_on_drop: false }`
[INFO] [stdout] 65814d7acb0221d22c1a5f5f25c7bf494f68d243cb79b47de8d9fef13d9b332d