[INFO] fetching crate ndjson_zst 0.2.0...
[INFO] testing ndjson_zst-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ndjson_zst 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ndjson_zst 0.2.0
[INFO] finished tweaking crates.io crate ndjson_zst 0.2.0
[INFO] tweaked toml for crates.io crate ndjson_zst 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ndjson_zst 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ndjson_zst 0.2.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13edcd297dc8fc07d3df43c91077b62bba90d81438bad9623718c82833dd568c
[INFO] running `Command { std: "docker" "start" "-a" "13edcd297dc8fc07d3df43c91077b62bba90d81438bad9623718c82833dd568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13edcd297dc8fc07d3df43c91077b62bba90d81438bad9623718c82833dd568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13edcd297dc8fc07d3df43c91077b62bba90d81438bad9623718c82833dd568c", kill_on_drop: false }`
[INFO] [stdout] 13edcd297dc8fc07d3df43c91077b62bba90d81438bad9623718c82833dd568c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78ea7a4ad53ac40ac7be25dec07497e1ce1faa32b19de6ccd5800e8c872ba652
[INFO] running `Command { std: "docker" "start" "-a" "78ea7a4ad53ac40ac7be25dec07497e1ce1faa32b19de6ccd5800e8c872ba652", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling zstd v0.13.1
[INFO] [stderr]    Compiling ndjson_zst v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.98s
[INFO] running `Command { std: "docker" "inspect" "78ea7a4ad53ac40ac7be25dec07497e1ce1faa32b19de6ccd5800e8c872ba652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ea7a4ad53ac40ac7be25dec07497e1ce1faa32b19de6ccd5800e8c872ba652", kill_on_drop: false }`
[INFO] [stdout] 78ea7a4ad53ac40ac7be25dec07497e1ce1faa32b19de6ccd5800e8c872ba652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d2972ad6b59c2d5d449cd58d195eb9c087daf307d5159e2518341167157e9c
[INFO] running `Command { std: "docker" "start" "-a" "23d2972ad6b59c2d5d449cd58d195eb9c087daf307d5159e2518341167157e9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndjson_zst v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> examples/ex.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/ex_write_with_remove_line.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut ndjson_zst_writer = NdjsonZstWriter::from(PATH);
[INFO] [stdout]    |                                 --------------------- ^^^^ expected `NdjsonZstWriter<'_>`, found `&str`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/convert/mod.rs:592:8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/ex_write_with_remove_line.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut ndjson_zst_reader = NdjsonZstReader::from(PATH);
[INFO] [stdout]    |                                 --------------------- ^^^^ expected `NdjsonZstReader<'_>`, found `&str`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/convert/mod.rs:592:8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ndjson_zst` (example "ex_write_with_remove_line") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "23d2972ad6b59c2d5d449cd58d195eb9c087daf307d5159e2518341167157e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d2972ad6b59c2d5d449cd58d195eb9c087daf307d5159e2518341167157e9c", kill_on_drop: false }`
[INFO] [stdout] 23d2972ad6b59c2d5d449cd58d195eb9c087daf307d5159e2518341167157e9c