[INFO] fetching crate rexl 0.0.4...
[INFO] testing rexl-0.0.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rexl 0.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rexl 0.0.4
[INFO] finished tweaking crates.io crate rexl 0.0.4
[INFO] tweaked toml for crates.io crate rexl 0.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rexl 0.0.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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] 31e73c06bbf7a9b12d73e3138de2a03036e8d0fd87b3a6725386565b4280b6c5
[INFO] running `Command { std: "docker" "start" "-a" "31e73c06bbf7a9b12d73e3138de2a03036e8d0fd87b3a6725386565b4280b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e73c06bbf7a9b12d73e3138de2a03036e8d0fd87b3a6725386565b4280b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e73c06bbf7a9b12d73e3138de2a03036e8d0fd87b3a6725386565b4280b6c5", kill_on_drop: false }`
[INFO] [stdout] 31e73c06bbf7a9b12d73e3138de2a03036e8d0fd87b3a6725386565b4280b6c5
[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] 48434790b8769b02c855cc124c6d19ab14a99c713fb0f4e0250e7cb0c6e36563
[INFO] running `Command { std: "docker" "start" "-a" "48434790b8769b02c855cc124c6d19ab14a99c713fb0f4e0250e7cb0c6e36563", kill_on_drop: false }`
[INFO] [stderr]    Compiling rexl v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::arg_parse_impl::*`
[INFO] [stdout]  --> src/cli/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::arg_parse_impl::*;
[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 0.83s
[INFO] running `Command { std: "docker" "inspect" "48434790b8769b02c855cc124c6d19ab14a99c713fb0f4e0250e7cb0c6e36563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48434790b8769b02c855cc124c6d19ab14a99c713fb0f4e0250e7cb0c6e36563", kill_on_drop: false }`
[INFO] [stdout] 48434790b8769b02c855cc124c6d19ab14a99c713fb0f4e0250e7cb0c6e36563
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20046d24cc773aff3e958da85560c2c6150d609df389f1a4db757c8092ca6ca9
[INFO] running `Command { std: "docker" "start" "-a" "20046d24cc773aff3e958da85560c2c6150d609df389f1a4db757c8092ca6ca9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `self::arg_parse_impl::*`
[INFO] [stdout]  --> src/cli/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::arg_parse_impl::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rexl v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::arg_parse_impl::*`
[INFO] [stdout]  --> src/cli/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::arg_parse_impl::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `qrcode` is defined multiple times
[INFO] [stdout]   --> tests/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod qrcode;
[INFO] [stdout]    | ----------- previous definition of the module `qrcode` here
[INFO] [stdout] 11 | #[cfg(test)]
[INFO] [stdout] 12 | mod qrcode;
[INFO] [stdout]    | ^^^^^^^^^^^ `qrcode` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `qrcode` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rexl` (test "lib") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "20046d24cc773aff3e958da85560c2c6150d609df389f1a4db757c8092ca6ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20046d24cc773aff3e958da85560c2c6150d609df389f1a4db757c8092ca6ca9", kill_on_drop: false }`
[INFO] [stdout] 20046d24cc773aff3e958da85560c2c6150d609df389f1a4db757c8092ca6ca9
