[INFO] cloning repository https://github.com/ramvalleru/Rust-beginner-mistakes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ramvalleru/Rust-beginner-mistakes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framvalleru%2FRust-beginner-mistakes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framvalleru%2FRust-beginner-mistakes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b55edb0a7f1060e6c00b58144d364153b1bf290
[INFO] checking ramvalleru/Rust-beginner-mistakes/0b55edb0a7f1060e6c00b58144d364153b1bf290 against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framvalleru%2FRust-beginner-mistakes" "/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/ramvalleru/Rust-beginner-mistakes 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/ramvalleru/Rust-beginner-mistakes
[INFO] finished tweaking git repo https://github.com/ramvalleru/Rust-beginner-mistakes
[INFO] tweaked toml for git repo https://github.com/ramvalleru/Rust-beginner-mistakes written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ramvalleru/Rust-beginner-mistakes 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] 794450ec4785cd473bb80a0e13501d2a733d2770b779b7f5e77586636aebe726
[INFO] running `Command { std: "docker" "start" "-a" "794450ec4785cd473bb80a0e13501d2a733d2770b779b7f5e77586636aebe726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "794450ec4785cd473bb80a0e13501d2a733d2770b779b7f5e77586636aebe726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794450ec4785cd473bb80a0e13501d2a733d2770b779b7f5e77586636aebe726", kill_on_drop: false }`
[INFO] [stdout] 794450ec4785cd473bb80a0e13501d2a733d2770b779b7f5e77586636aebe726
[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] a7f8499b811fe82ae43e6cfd96a41a90c692c81e39d307b7d678139b180298de
[INFO] running `Command { std: "docker" "start" "-a" "a7f8499b811fe82ae43e6cfd96a41a90c692c81e39d307b7d678139b180298de", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking rustbyexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `sban` and `price` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Book {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 2 |     sban: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     price: f32
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sban` and `price` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Book {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 2 |     sban: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     price: f32
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "a7f8499b811fe82ae43e6cfd96a41a90c692c81e39d307b7d678139b180298de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f8499b811fe82ae43e6cfd96a41a90c692c81e39d307b7d678139b180298de", kill_on_drop: false }`
[INFO] [stdout] a7f8499b811fe82ae43e6cfd96a41a90c692c81e39d307b7d678139b180298de