[INFO] cloning repository https://github.com/fluxxu/coding-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fluxxu/coding-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluxxu%2Fcoding-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluxxu%2Fcoding-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 022642802f4a884bd6f2214466294d017ac77e6c
[INFO] testing fluxxu/coding-test against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluxxu%2Fcoding-test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fluxxu/coding-test
[INFO] finished tweaking git repo https://github.com/fluxxu/coding-test
[INFO] tweaked toml for git repo https://github.com/fluxxu/coding-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fluxxu/coding-test on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fluxxu/coding-test 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 718acc7126953370f606cd7db7291a856d1a5ca7a245df89642c27aac5e5d06f
[INFO] running `Command { std: "docker" "start" "718acc7126953370f606cd7db7291a856d1a5ca7a245df89642c27aac5e5d06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "718acc7126953370f606cd7db7291a856d1a5ca7a245df89642c27aac5e5d06f", 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" "718acc7126953370f606cd7db7291a856d1a5ca7a245df89642c27aac5e5d06f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "718acc7126953370f606cd7db7291a856d1a5ca7a245df89642c27aac5e5d06f", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "718acc7126953370f606cd7db7291a856d1a5ca7a245df89642c27aac5e5d06f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Compiling serde v1.0.219
[INFO] [stderr] Compiling anstyle-query v1.1.4
[INFO] [stderr] Compiling memchr v2.7.5
[INFO] [stderr] Compiling rust_decimal v1.37.2
[INFO] [stderr] Compiling num-traits v0.2.19
[INFO] [stderr] Compiling arrayvec v0.7.6
[INFO] [stderr] Compiling syn v2.0.104
[INFO] [stderr] Compiling anstream v0.6.20
[INFO] [stderr] Compiling clap_builder v4.5.43
[INFO] [stderr] Compiling csv-core v0.1.12
[INFO] [stderr] Compiling serde_derive v1.0.219
[INFO] [stderr] Compiling clap_derive v4.5.41
[INFO] [stderr] Compiling thiserror-impl v2.0.12
[INFO] [stderr] Compiling thiserror v2.0.12
[INFO] [stderr] Compiling clap v4.5.43
[INFO] [stderr] Compiling csv v1.3.1
[INFO] [stderr] Compiling coding-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/engine/csv.rs:24:22
[INFO] [stdout] |
[INFO] [stdout] 24 | pub fn read_next(&mut self) -> Result