[INFO] fetching crate TerminalSudoku 0.1.1...
[INFO] checking TerminalSudoku-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate TerminalSudoku 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate TerminalSudoku 0.1.1
[INFO] finished tweaking crates.io crate TerminalSudoku 0.1.1
[INFO] tweaked toml for crates.io crate TerminalSudoku 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate TerminalSudoku 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate TerminalSudoku 0.1.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cce526e3fc838937ff041623c34d1d9e1a3820437b1d008a7ee893915e6f7c9a
[INFO] running `Command { std: "docker" "start" "-a" "cce526e3fc838937ff041623c34d1d9e1a3820437b1d008a7ee893915e6f7c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cce526e3fc838937ff041623c34d1d9e1a3820437b1d008a7ee893915e6f7c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce526e3fc838937ff041623c34d1d9e1a3820437b1d008a7ee893915e6f7c9a", kill_on_drop: false }`
[INFO] [stdout] cce526e3fc838937ff041623c34d1d9e1a3820437b1d008a7ee893915e6f7c9a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b16c90666d072b7aded89357915fdd1e0ed01dffd6d5b7165cf1ab214cf0a6df
[INFO] running `Command { std: "docker" "start" "-a" "b16c90666d072b7aded89357915fdd1e0ed01dffd6d5b7165cf1ab214cf0a6df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking TerminalSudoku v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PlayingField`
[INFO] [stdout]   --> src/main.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use utils::field_utils::{Field, PlayingField};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     'round: loop {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PlayingField`
[INFO] [stdout]   --> src/main.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use utils::field_utils::{Field, PlayingField};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     'round: loop {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/utils.rs:104:16
[INFO] [stdout]     |
[INFO] [stdout] 103 |     impl PlayingField {
[INFO] [stdout]     |     ----------------- associated function in this implementation
[INFO] [stdout] 104 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `i32_to_Number` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn i32_to_Number(value: &i32) -> Option<Number> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `i32_to_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/utils.rs:104:16
[INFO] [stdout]     |
[INFO] [stdout] 103 |     impl PlayingField {
[INFO] [stdout]     |     ----------------- associated function in this implementation
[INFO] [stdout] 104 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `i32_to_Number` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn i32_to_Number(value: &i32) -> Option<Number> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `i32_to_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "b16c90666d072b7aded89357915fdd1e0ed01dffd6d5b7165cf1ab214cf0a6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16c90666d072b7aded89357915fdd1e0ed01dffd6d5b7165cf1ab214cf0a6df", kill_on_drop: false }`
[INFO] [stdout] b16c90666d072b7aded89357915fdd1e0ed01dffd6d5b7165cf1ab214cf0a6df