[INFO] cloning repository https://github.com/lannonbr/rust-operator-overloading
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lannonbr/rust-operator-overloading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Frust-operator-overloading", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Frust-operator-overloading'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a73f9c5f86e51941b7c401262ee20fdb14ce311
[INFO] checking lannonbr/rust-operator-overloading/9a73f9c5f86e51941b7c401262ee20fdb14ce311 against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Frust-operator-overloading" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lannonbr/rust-operator-overloading
[INFO] finished tweaking git repo https://github.com/lannonbr/rust-operator-overloading
[INFO] tweaked toml for git repo https://github.com/lannonbr/rust-operator-overloading written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lannonbr/rust-operator-overloading on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lannonbr/rust-operator-overloading 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598
[INFO] running `Command { std: "docker" "start" "74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-operator-overloading v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | struct StatsEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     timestamp: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatsEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | struct StatsEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     timestamp: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatsEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.15s
[INFO] running `Command { std: "docker" "inspect" "74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598", kill_on_drop: false }`
[INFO] [stdout] 74cc4329fa2b75cf9eb48c43c84ff82614f0948596be38a5529de63f5edd0598
