[INFO] cloning repository https://github.com/damletanmay/intro-to-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/damletanmay/intro-to-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamletanmay%2Fintro-to-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamletanmay%2Fintro-to-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ac773d9f55a817405e6f91551ef4d3b20137de3
[INFO] checking damletanmay/intro-to-rust against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamletanmay%2Fintro-to-rust" "/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/damletanmay/intro-to-rust
[INFO] finished tweaking git repo https://github.com/damletanmay/intro-to-rust
[INFO] tweaked toml for git repo https://github.com/damletanmay/intro-to-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/damletanmay/intro-to-rust on toolchain 4b596bbd847672da87763b76171687d3544863c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/damletanmay/intro-to-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" "+4b596bbd847672da87763b76171687d3544863c2" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bbea28407a312ac085a1342a6b7377fb94fa9171d69f58e826aefed54d857dd
[INFO] running `Command { std: "docker" "start" "-a" "9bbea28407a312ac085a1342a6b7377fb94fa9171d69f58e826aefed54d857dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bbea28407a312ac085a1342a6b7377fb94fa9171d69f58e826aefed54d857dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbea28407a312ac085a1342a6b7377fb94fa9171d69f58e826aefed54d857dd", kill_on_drop: false }`
[INFO] [stdout] 9bbea28407a312ac085a1342a6b7377fb94fa9171d69f58e826aefed54d857dd
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3997f8cc3ef13d03a9a4a7554deb65a592e101d654a81f1fe54c8489535850ca
[INFO] running `Command { std: "docker" "start" "-a" "3997f8cc3ef13d03a9a4a7554deb65a592e101d654a81f1fe54c8489535850ca", kill_on_drop: false }`
[INFO] [stderr]     Checking demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/basics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/basics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/struct_enums.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Wolf { name: String },
[INFO] [stdout]    |         ----   ^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Creatures` has a derived impl for the trait `Debug`, 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: fields `name` and `weapons` are never read
[INFO] [stdout]   --> src/struct_enums.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     struct Gods {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 87 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 88 |         all_creatures: Option<Vec<Creatures>>,
[INFO] [stdout] 89 |         weapons: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gods` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/struct_enums.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Wolf { name: String },
[INFO] [stdout]    |         ----   ^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Creatures` has a derived impl for the trait `Debug`, 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: fields `name` and `weapons` are never read
[INFO] [stdout]   --> src/struct_enums.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     struct Gods {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 87 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 88 |         all_creatures: Option<Vec<Creatures>>,
[INFO] [stdout] 89 |         weapons: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gods` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "3997f8cc3ef13d03a9a4a7554deb65a592e101d654a81f1fe54c8489535850ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3997f8cc3ef13d03a9a4a7554deb65a592e101d654a81f1fe54c8489535850ca", kill_on_drop: false }`
[INFO] [stdout] 3997f8cc3ef13d03a9a4a7554deb65a592e101d654a81f1fe54c8489535850ca