[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 try#0611f7de057c584b8771102fde7aed6c70c71d3b 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GiveMe-A-Name/rust-design-patterns on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eef6e1de25b5dd16cd844448b75f2a16644a37b20dfc97cb9d5a10c5faa2047
[INFO] running `Command { std: "docker" "start" "-a" "1eef6e1de25b5dd16cd844448b75f2a16644a37b20dfc97cb9d5a10c5faa2047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eef6e1de25b5dd16cd844448b75f2a16644a37b20dfc97cb9d5a10c5faa2047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eef6e1de25b5dd16cd844448b75f2a16644a37b20dfc97cb9d5a10c5faa2047", kill_on_drop: false }`
[INFO] [stdout] 1eef6e1de25b5dd16cd844448b75f2a16644a37b20dfc97cb9d5a10c5faa2047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecc66e46329a4c9273caa17094652d47826df79ebb7b6d0f2bbd1b06e6529e9a
[INFO] running `Command { std: "docker" "start" "-a" "ecc66e46329a4c9273caa17094652d47826df79ebb7b6d0f2bbd1b06e6529e9a", kill_on_drop: false }`
[INFO] [stderr]     Checking design-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `A` is never constructed
[INFO] [stdout]  --> src/dyn_object/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct A<'a> {
[INFO] [stdout]   |            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `B` is never constructed
[INFO] [stdout]   --> src/dyn_object/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct B<'a> {
[INFO] [stdout]    |            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `design-patterns` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "ecc66e46329a4c9273caa17094652d47826df79ebb7b6d0f2bbd1b06e6529e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc66e46329a4c9273caa17094652d47826df79ebb7b6d0f2bbd1b06e6529e9a", kill_on_drop: false }`
[INFO] [stdout] ecc66e46329a4c9273caa17094652d47826df79ebb7b6d0f2bbd1b06e6529e9a
