[INFO] fetching crate minesweeper_4d 0.1.17...
[INFO] checking minesweeper_4d-0.1.17 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate minesweeper_4d 0.1.17 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate minesweeper_4d 0.1.17
[INFO] finished tweaking crates.io crate minesweeper_4d 0.1.17
[INFO] tweaked toml for crates.io crate minesweeper_4d 0.1.17 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minesweeper_4d 0.1.17 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minesweeper_4d 0.1.17 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.12.5
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[INFO] [stderr]   Downloaded yaml-rust2 v0.10.4
[INFO] [stderr]   Downloaded config v0.15.19
[INFO] [stderr]   Downloaded parking_lot_core v0.9.12
[INFO] [stderr]   Downloaded ratatui v0.29.0
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[INFO] [stderr]   Downloaded strum_macros v0.26.4
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b82171c53b06b3eed8214d4c3843b9fdc892a93c22a4adcd2f556de2d24146
[INFO] running `Command { std: "docker" "start" "-a" "d4b82171c53b06b3eed8214d4c3843b9fdc892a93c22a4adcd2f556de2d24146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b82171c53b06b3eed8214d4c3843b9fdc892a93c22a4adcd2f556de2d24146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b82171c53b06b3eed8214d4c3843b9fdc892a93c22a4adcd2f556de2d24146", kill_on_drop: false }`
[INFO] [stdout] d4b82171c53b06b3eed8214d4c3843b9fdc892a93c22a4adcd2f556de2d24146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c65b960fe8f9c2eb87ac7186a67aaf2c4196af21f52f87f548b247d72245f176
[INFO] running `Command { std: "docker" "start" "-a" "c65b960fe8f9c2eb87ac7186a67aaf2c4196af21f52f87f548b247d72245f176", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking lock_api v0.4.14
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[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling heck v0.5.0
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[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling pest v2.8.5
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
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[INFO] [stderr]     Checking parking_lot v0.12.5
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[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking rustc-demangle v0.1.26
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[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
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[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking rust-ini v0.21.3
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]    Compiling pest_meta v2.8.5
[INFO] [stderr]     Checking yaml-rust2 v0.10.4
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[INFO] [stderr]     Checking serde-untagged v0.1.9
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[INFO] [stderr]     Checking lru v0.12.5
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[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking iana-time-zone v0.1.64
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[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking len-trait v0.6.1
[INFO] [stderr]     Checking directories v6.0.0
[INFO] [stderr]     Checking toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking toml v0.9.11+spec-1.1.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling pest_generator v2.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling pest_derive v2.8.5
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking ron v0.12.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]     Checking ratatui v0.29.0
[INFO] [stderr]     Checking config v0.15.19
[INFO] [stderr]     Checking minesweeper_4d v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]     --> src/main.rs:1870:17
[INFO] [stdout]      |
[INFO] [stdout] 1870 |                 i += 1;
[INFO] [stdout]      |                 ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]     --> src/main.rs:1870:17
[INFO] [stdout]      |
[INFO] [stdout] 1870 |                 i += 1;
[INFO] [stdout]      |                 ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.07s
[INFO] running `Command { std: "docker" "inspect" "c65b960fe8f9c2eb87ac7186a67aaf2c4196af21f52f87f548b247d72245f176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65b960fe8f9c2eb87ac7186a67aaf2c4196af21f52f87f548b247d72245f176", kill_on_drop: false }`
[INFO] [stdout] c65b960fe8f9c2eb87ac7186a67aaf2c4196af21f52f87f548b247d72245f176