[INFO] cloning repository https://github.com/grandcat/rs_simple_csv_bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grandcat/rs_simple_csv_bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrandcat%2Frs_simple_csv_bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrandcat%2Frs_simple_csv_bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8db5dba932ee62989bf4a95cb83bf7a0df725313
[INFO] testing grandcat/rs_simple_csv_bench against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrandcat%2Frs_simple_csv_bench" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/grandcat/rs_simple_csv_bench
[INFO] finished tweaking git repo https://github.com/grandcat/rs_simple_csv_bench
[INFO] tweaked toml for git repo https://github.com/grandcat/rs_simple_csv_bench written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/grandcat/rs_simple_csv_bench on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/grandcat/rs_simple_csv_bench 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f3bcbd3fc338962e9ea7982bd70627666a69a71373473bc2604b60517ab93d5
[INFO] running `Command { std: "docker" "start" "-a" "0f3bcbd3fc338962e9ea7982bd70627666a69a71373473bc2604b60517ab93d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f3bcbd3fc338962e9ea7982bd70627666a69a71373473bc2604b60517ab93d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3bcbd3fc338962e9ea7982bd70627666a69a71373473bc2604b60517ab93d5", kill_on_drop: false }`
[INFO] [stdout] 0f3bcbd3fc338962e9ea7982bd70627666a69a71373473bc2604b60517ab93d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9234cc14964bdd17500b0ece79caae8f0af1c17b2b39720e5e46386129a10a2
[INFO] running `Command { std: "docker" "start" "-a" "d9234cc14964bdd17500b0ece79caae8f0af1c17b2b39720e5e46386129a10a2", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rust-csv v0.5.0 (https://github.com/kubkon/rust-csv#c0e5db69)
[INFO] [stdout] error: expected identifier, found `"test"`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-csv-1a6a762696ad4ff4/c0e5db6/src/lib.rs:191:14
[INFO] [stdout]     |
[INFO] [stdout] 191 | extern crate "test" as stdtest;
[INFO] [stdout]     |              ^^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-csv` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d9234cc14964bdd17500b0ece79caae8f0af1c17b2b39720e5e46386129a10a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9234cc14964bdd17500b0ece79caae8f0af1c17b2b39720e5e46386129a10a2", kill_on_drop: false }`
[INFO] [stdout] d9234cc14964bdd17500b0ece79caae8f0af1c17b2b39720e5e46386129a10a2