[INFO] cloning repository https://github.com/godfreypj/scrabble-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/godfreypj/scrabble-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgodfreypj%2Fscrabble-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgodfreypj%2Fscrabble-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be6facb85a20ac9504986db5a515e7d87ff90e1c
[INFO] checking godfreypj/scrabble-rust against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgodfreypj%2Fscrabble-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/godfreypj/scrabble-rust on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/godfreypj/scrabble-rust
[INFO] finished tweaking git repo https://github.com/godfreypj/scrabble-rust
[INFO] tweaked toml for git repo https://github.com/godfreypj/scrabble-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/godfreypj/scrabble-rust 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ce683e15d9944f33aa2abee8dfd208fe4a4a30e8fc9ef92fe29bb226e1f226
[INFO] running `Command { std: "docker" "start" "-a" "22ce683e15d9944f33aa2abee8dfd208fe4a4a30e8fc9ef92fe29bb226e1f226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ce683e15d9944f33aa2abee8dfd208fe4a4a30e8fc9ef92fe29bb226e1f226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ce683e15d9944f33aa2abee8dfd208fe4a4a30e8fc9ef92fe29bb226e1f226", kill_on_drop: false }`
[INFO] [stdout] 22ce683e15d9944f33aa2abee8dfd208fe4a4a30e8fc9ef92fe29bb226e1f226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5cd1a0763e7ec1294d589f97793a92f14544226f7ce6b5064aee6f09c349ca8
[INFO] running `Command { std: "docker" "start" "-a" "b5cd1a0763e7ec1294d589f97793a92f14544226f7ce6b5064aee6f09c349ca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking getrandom v0.2.11
[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 scrabble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `score` is never read
[INFO] [stdout]   --> src/anagrams/anagrams.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Anagram {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub word: String,
[INFO] [stdout] 11 |     pub score: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Anagram` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `score` is never read
[INFO] [stdout]   --> src/anagrams/anagrams.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Anagram {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub word: String,
[INFO] [stdout] 11 |     pub score: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Anagram` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "b5cd1a0763e7ec1294d589f97793a92f14544226f7ce6b5064aee6f09c349ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cd1a0763e7ec1294d589f97793a92f14544226f7ce6b5064aee6f09c349ca8", kill_on_drop: false }`
[INFO] [stdout] b5cd1a0763e7ec1294d589f97793a92f14544226f7ce6b5064aee6f09c349ca8