[INFO] fetching crate waterpump-evm-core 0.1.0...
[INFO] testing waterpump-evm-core-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate waterpump-evm-core 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate waterpump-evm-core 0.1.0
[INFO] finished tweaking crates.io crate waterpump-evm-core 0.1.0
[INFO] tweaked toml for crates.io crate waterpump-evm-core 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waterpump-evm-core 0.1.0 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 waterpump-evm-core 0.1.0 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-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] d1b589ecfbd6de6c0c348d227afb00daf8e7679dec0efc5d7ef23281c239a5b9
[INFO] running `Command { std: "docker" "start" "-a" "d1b589ecfbd6de6c0c348d227afb00daf8e7679dec0efc5d7ef23281c239a5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1b589ecfbd6de6c0c348d227afb00daf8e7679dec0efc5d7ef23281c239a5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b589ecfbd6de6c0c348d227afb00daf8e7679dec0efc5d7ef23281c239a5b9", kill_on_drop: false }`
[INFO] [stdout] d1b589ecfbd6de6c0c348d227afb00daf8e7679dec0efc5d7ef23281c239a5b9
[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] afbb53f6466a84b1a72846a67f540ab4b64f1d46fc718ddac0045a8b3b2a8b59
[INFO] running `Command { std: "docker" "start" "-a" "afbb53f6466a84b1a72846a67f540ab4b64f1d46fc718ddac0045a8b3b2a8b59", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]    Compiling waterpump-evm-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `Command { std: "docker" "inspect" "afbb53f6466a84b1a72846a67f540ab4b64f1d46fc718ddac0045a8b3b2a8b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbb53f6466a84b1a72846a67f540ab4b64f1d46fc718ddac0045a8b3b2a8b59", kill_on_drop: false }`
[INFO] [stdout] afbb53f6466a84b1a72846a67f540ab4b64f1d46fc718ddac0045a8b3b2a8b59
[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] 17e8566b317a7c2a953f3453c32b6362324f32a6502152599b12a9b324ed19c2
[INFO] running `Command { std: "docker" "start" "-a" "17e8566b317a7c2a953f3453c32b6362324f32a6502152599b12a9b324ed19c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.23.0
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[INFO] [stderr]    Compiling darling v0.23.0
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[INFO] [stderr]    Compiling waterpump-evm-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 28.10s
[INFO] running `Command { std: "docker" "inspect" "17e8566b317a7c2a953f3453c32b6362324f32a6502152599b12a9b324ed19c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e8566b317a7c2a953f3453c32b6362324f32a6502152599b12a9b324ed19c2", kill_on_drop: false }`
[INFO] [stdout] 17e8566b317a7c2a953f3453c32b6362324f32a6502152599b12a9b324ed19c2
[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", kill_on_drop: false }`
[INFO] [stdout] 5a94720129c7352bebf39f846814cadd1372ff1309b15da320eee5cb25f6c673
[INFO] running `Command { std: "docker" "start" "-a" "5a94720129c7352bebf39f846814cadd1372ff1309b15da320eee5cb25f6c673", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/waterpump_evm_core-9e30f57eb7b830b8)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test weth_ext::tests::test_weth_registry_linea ... ok
[INFO] [stdout] test weth_ext::tests::test_weth9_ext_ethereum ... ok
[INFO] [stdout] test weth_ext::tests::test_weth9_ext_linea ... ok
[INFO] [stdout] test weth_ext::tests::test_weth_registry_unsupported ... ok
[INFO] [stdout] test weth_ext::tests::test_weth_registry_monad ... ok
[INFO] [stdout] test weth_ext::tests::test_weth9_ext_monad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests waterpump_evm_core
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/weth_ext.rs - weth_ext::Weth9Ext::on_chain_with_custom (line 97) ... FAILED
[INFO] [stdout] test src/weth_ext.rs - weth_ext::EtherExt::on_chain_with_custom (line 136) ... FAILED
[INFO] [stdout] test src/weth_ext.rs - weth_ext::WethRegistry::get_custom_weth (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/weth_ext.rs - weth_ext::Weth9Ext::on_chain_with_custom (line 97) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/weth_ext.rs:102:46
[INFO] [stdout]     |
[INFO] [stdout]  98 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_weth_ext_rs_97_0() {
[INFO] [stdout]     |                                      --------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 102 | let weth = WETH9::on_chain_with_custom(59144)?;
[INFO] [stdout]     |                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout]  98 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_weth_ext_rs_97_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  99 | use waterpump_evm_core::weth_ext::Weth9Ext;
[INFO] [stdout] ...
[INFO] [stdout] 102 | let weth = WETH9::on_chain_with_custom(59144)?;
[INFO] [stdout] 103 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/weth_ext.rs - weth_ext::EtherExt::on_chain_with_custom (line 136) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/weth_ext.rs:141:47
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_weth_ext_rs_136_0() {
[INFO] [stdout]     |                                      ---------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 141 | let ether = Ether::on_chain_with_custom(59144)?;
[INFO] [stdout]     |                                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 137 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_weth_ext_rs_136_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 138 | use waterpump_evm_core::weth_ext::EtherExt;
[INFO] [stdout] ...
[INFO] [stdout] 141 | let ether = Ether::on_chain_with_custom(59144)?;
[INFO] [stdout] 142 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/weth_ext.rs - weth_ext::EtherExt::on_chain_with_custom (line 136)
[INFO] [stdout]     src/weth_ext.rs - weth_ext::Weth9Ext::on_chain_with_custom (line 97)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5a94720129c7352bebf39f846814cadd1372ff1309b15da320eee5cb25f6c673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a94720129c7352bebf39f846814cadd1372ff1309b15da320eee5cb25f6c673", kill_on_drop: false }`
[INFO] [stdout] 5a94720129c7352bebf39f846814cadd1372ff1309b15da320eee5cb25f6c673
