[INFO] cloning repository https://github.com/evavh/word-search-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evavh/word-search-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevavh%2Fword-search-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevavh%2Fword-search-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28c8105944ee838460bf82f57176d1b3096705cc
[INFO] checking evavh/word-search-gen against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevavh%2Fword-search-gen" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/evavh/word-search-gen
[INFO] finished tweaking git repo https://github.com/evavh/word-search-gen
[INFO] tweaked toml for git repo https://github.com/evavh/word-search-gen written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/evavh/word-search-gen on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/evavh/word-search-gen 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded object v0.30.2
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c1f4af7180463c22e7372598cfb52860d537fa187898a980d23efbc1545da4a
[INFO] running `Command { std: "docker" "start" "-a" "8c1f4af7180463c22e7372598cfb52860d537fa187898a980d23efbc1545da4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c1f4af7180463c22e7372598cfb52860d537fa187898a980d23efbc1545da4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1f4af7180463c22e7372598cfb52860d537fa187898a980d23efbc1545da4a", kill_on_drop: false }`
[INFO] [stdout] 8c1f4af7180463c22e7372598cfb52860d537fa187898a980d23efbc1545da4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc750ea0e19ac7033a51c0f66b98b5f08baa5b6fa0ec023bbfcc8cd864647706
[INFO] running `Command { std: "docker" "start" "-a" "bc750ea0e19ac7033a51c0f66b98b5f08baa5b6fa0ec023bbfcc8cd864647706", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking gimli v0.27.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking object v0.30.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking wordsearchgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Easy` and `Normal` are never constructed
[INFO] [stdout]   --> src/difficulty.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) enum Difficulty {
[INFO] [stdout]    |                 ---------- variants in this enum
[INFO] [stdout] 17 |     Easy,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Normal,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difficulty` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.44s
[INFO] [stdout] warning: variants `Easy` and `Normal` are never constructed
[INFO] [stdout]   --> src/difficulty.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) enum Difficulty {
[INFO] [stdout]    |                 ---------- variants in this enum
[INFO] [stdout] 17 |     Easy,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Normal,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difficulty` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc750ea0e19ac7033a51c0f66b98b5f08baa5b6fa0ec023bbfcc8cd864647706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc750ea0e19ac7033a51c0f66b98b5f08baa5b6fa0ec023bbfcc8cd864647706", kill_on_drop: false }`
[INFO] [stdout] bc750ea0e19ac7033a51c0f66b98b5f08baa5b6fa0ec023bbfcc8cd864647706
