[INFO] cloning repository https://github.com/jakegornall/learn_structs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakegornall/learn_structs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakegornall%2Flearn_structs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakegornall%2Flearn_structs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1f0031dc44513dc5f1db1417d27c38236b4e799
[INFO] checking jakegornall/learn_structs against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakegornall%2Flearn_structs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakegornall/learn_structs on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakegornall/learn_structs
[INFO] finished tweaking git repo https://github.com/jakegornall/learn_structs
[INFO] tweaked toml for git repo https://github.com/jakegornall/learn_structs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakegornall/learn_structs 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96f31352ed5e22d6b26de0c8b9d3cb2584c474f4fa0eb6418c7cb0f4c4b018ce
[INFO] running `Command { std: "docker" "start" "-a" "96f31352ed5e22d6b26de0c8b9d3cb2584c474f4fa0eb6418c7cb0f4c4b018ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f31352ed5e22d6b26de0c8b9d3cb2584c474f4fa0eb6418c7cb0f4c4b018ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f31352ed5e22d6b26de0c8b9d3cb2584c474f4fa0eb6418c7cb0f4c4b018ce", kill_on_drop: false }`
[INFO] [stdout] 96f31352ed5e22d6b26de0c8b9d3cb2584c474f4fa0eb6418c7cb0f4c4b018ce
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ced56e4f5fe0b9bdfbdabe0d942dd05ec93b545d4ab6f257ac4e14b36da755
[INFO] running `Command { std: "docker" "start" "-a" "55ced56e4f5fe0b9bdfbdabe0d942dd05ec93b545d4ab6f257ac4e14b36da755", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking learn_structs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `damage` is never read
[INFO] [stdout]   --> src/characters.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Enemy {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 57 |     pub health: i8,
[INFO] [stdout] 58 |     pub damage: i8
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Enemy` 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: field `damage` is never read
[INFO] [stdout]   --> src/characters.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Enemy {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 57 |     pub health: i8,
[INFO] [stdout] 58 |     pub damage: i8
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Enemy` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "55ced56e4f5fe0b9bdfbdabe0d942dd05ec93b545d4ab6f257ac4e14b36da755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ced56e4f5fe0b9bdfbdabe0d942dd05ec93b545d4ab6f257ac4e14b36da755", kill_on_drop: false }`
[INFO] [stdout] 55ced56e4f5fe0b9bdfbdabe0d942dd05ec93b545d4ab6f257ac4e14b36da755