[INFO] fetching crate rsbatch-maestro 0.2.1...
[INFO] testing rsbatch-maestro-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rsbatch-maestro 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rsbatch-maestro 0.2.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rsbatch-maestro 0.2.1
[INFO] tweaked toml for crates.io crate rsbatch-maestro 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsbatch-maestro 0.2.1 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 crates.io crate rsbatch-maestro 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5090f1a9072feafc125d073b56c20b9d34ba7550c498533550cb332a29b7b79e
[INFO] running `Command { std: "docker" "start" "-a" "5090f1a9072feafc125d073b56c20b9d34ba7550c498533550cb332a29b7b79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5090f1a9072feafc125d073b56c20b9d34ba7550c498533550cb332a29b7b79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5090f1a9072feafc125d073b56c20b9d34ba7550c498533550cb332a29b7b79e", kill_on_drop: false }`
[INFO] [stdout] 5090f1a9072feafc125d073b56c20b9d34ba7550c498533550cb332a29b7b79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] deae51c46f436f280c5f8913ff1c933e9afc521dda3c3740cec1bbe85e8f0688
[INFO] running `Command { std: "docker" "start" "-a" "deae51c46f436f280c5f8913ff1c933e9afc521dda3c3740cec1bbe85e8f0688", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsbatch-maestro v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "deae51c46f436f280c5f8913ff1c933e9afc521dda3c3740cec1bbe85e8f0688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deae51c46f436f280c5f8913ff1c933e9afc521dda3c3740cec1bbe85e8f0688", kill_on_drop: false }`
[INFO] [stdout] deae51c46f436f280c5f8913ff1c933e9afc521dda3c3740cec1bbe85e8f0688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a310c25c47088ddb18525f10931162d398a414b229bf6c981713bf6ba25068ca
[INFO] running `Command { std: "docker" "start" "-a" "a310c25c47088ddb18525f10931162d398a414b229bf6c981713bf6ba25068ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling rsbatch-maestro v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rseven_splitter`
[INFO] [stdout]  --> examples/basic_usage.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rseven_splitter::even_split;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `rseven_splitter`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rseven_splitter`, use `cargo add rseven_splitter` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsbatch-maestro` (example "basic_usage") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a310c25c47088ddb18525f10931162d398a414b229bf6c981713bf6ba25068ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a310c25c47088ddb18525f10931162d398a414b229bf6c981713bf6ba25068ca", kill_on_drop: false }`
[INFO] [stdout] a310c25c47088ddb18525f10931162d398a414b229bf6c981713bf6ba25068ca
