[INFO] cloning repository https://github.com/GiveMe-A-Name/rust-design-patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GiveMe-A-Name/rust-design-patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiveMe-A-Name%2Frust-design-patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiveMe-A-Name%2Frust-design-patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af79f5a996551c63dab8b07aba8760a8c0e3e3dc
[INFO] checking GiveMe-A-Name/rust-design-patterns against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiveMe-A-Name%2Frust-design-patterns" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GiveMe-A-Name/rust-design-patterns
[INFO] finished tweaking git repo https://github.com/GiveMe-A-Name/rust-design-patterns
[INFO] tweaked toml for git repo https://github.com/GiveMe-A-Name/rust-design-patterns written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GiveMe-A-Name/rust-design-patterns on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GiveMe-A-Name/rust-design-patterns 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" "+507271bc119683008ec719ecee48814e8ac86c65" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb6d6e8107eba431c243b4c2d536cde62f02963779d82c0521d1fdebd410f5b0
[INFO] running `Command { std: "docker" "start" "-a" "bb6d6e8107eba431c243b4c2d536cde62f02963779d82c0521d1fdebd410f5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6d6e8107eba431c243b4c2d536cde62f02963779d82c0521d1fdebd410f5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6d6e8107eba431c243b4c2d536cde62f02963779d82c0521d1fdebd410f5b0", kill_on_drop: false }`
[INFO] [stdout] bb6d6e8107eba431c243b4c2d536cde62f02963779d82c0521d1fdebd410f5b0
[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" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 524c570794624f81637816de2581d16aecff4fc110226ecf09d5bd3e8584458d
[INFO] running `Command { std: "docker" "start" "-a" "524c570794624f81637816de2581d16aecff4fc110226ecf09d5bd3e8584458d", kill_on_drop: false }`
[INFO] [stderr]     Checking design-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Text` is never constructed
[INFO] [stdout]   --> src/strategy_pattern/mode_2.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Text;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Json` is never constructed
[INFO] [stdout]   --> src/strategy_pattern/mode_2.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Json;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/visitor_pattern/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Interpreter;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/visitor_pattern/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Interpreter;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[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 0.47s
[INFO] running `Command { std: "docker" "inspect" "524c570794624f81637816de2581d16aecff4fc110226ecf09d5bd3e8584458d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524c570794624f81637816de2581d16aecff4fc110226ecf09d5bd3e8584458d", kill_on_drop: false }`
[INFO] [stdout] 524c570794624f81637816de2581d16aecff4fc110226ecf09d5bd3e8584458d
