[INFO] fetching crate method_chaining 0.1.0... [INFO] testing method_chaining-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate method_chaining 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate method_chaining 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate method_chaining 0.1.0 [INFO] tweaked toml for crates.io crate method_chaining 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate method_chaining 0.1.0 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 method_chaining 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-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e6c00daf359c6ca01c1f1e0548a9b1399aa7a4270f99f2e8cb3a248ce8cd585f [INFO] running `Command { std: "docker" "start" "-a" "e6c00daf359c6ca01c1f1e0548a9b1399aa7a4270f99f2e8cb3a248ce8cd585f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6c00daf359c6ca01c1f1e0548a9b1399aa7a4270f99f2e8cb3a248ce8cd585f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6c00daf359c6ca01c1f1e0548a9b1399aa7a4270f99f2e8cb3a248ce8cd585f", kill_on_drop: false }` [INFO] [stdout] e6c00daf359c6ca01c1f1e0548a9b1399aa7a4270f99f2e8cb3a248ce8cd585f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 77c2c94c3077619f11898fe262113842bbc3f09d5839d71ab64e8b5031cb2316 [INFO] running `Command { std: "docker" "start" "-a" "77c2c94c3077619f11898fe262113842bbc3f09d5839d71ab64e8b5031cb2316", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling method_chaining v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ItemImpl` [INFO] [stdout] --> src/lib.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | Expr, ItemFn, ItemImpl, ItemStruct, ReturnType, Stmt, parse_macro_input, visit_mut::VisitMut, [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 5.18s [INFO] running `Command { std: "docker" "inspect" "77c2c94c3077619f11898fe262113842bbc3f09d5839d71ab64e8b5031cb2316", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77c2c94c3077619f11898fe262113842bbc3f09d5839d71ab64e8b5031cb2316", kill_on_drop: false }` [INFO] [stdout] 77c2c94c3077619f11898fe262113842bbc3f09d5839d71ab64e8b5031cb2316 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b1d8c9d0b11502a6a667ef2e60e86fe12255fe0994c5783c7f3bb221753a6721 [INFO] running `Command { std: "docker" "start" "-a" "b1d8c9d0b11502a6a667ef2e60e86fe12255fe0994c5783c7f3bb221753a6721", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling winnow v0.7.12 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling toml_writer v1.0.2 [INFO] [stderr] Compiling glob v0.3.2 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling toml_parser v1.0.2 [INFO] [stderr] Compiling toml_datetime v0.7.0 [INFO] [stderr] Compiling serde_spanned v1.0.0 [INFO] [stderr] Compiling toml v0.9.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling method_chaining v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ItemImpl` [INFO] [stdout] --> src/lib.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | Expr, ItemFn, ItemImpl, ItemStruct, ReturnType, Stmt, parse_macro_input, visit_mut::VisitMut, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling trybuild v1.0.110 [INFO] [stderr] Generated methods: struct Config { host : String, port : u16, timeout : u32, } impl Config [INFO] [stderr] { [INFO] [stderr] pub fn with_host(mut self, value : String) -> Self [INFO] [stderr] { self.host = value; self } pub fn with_port(mut self, value : u16) -> [INFO] [stderr] Self { self.port = value; self } pub fn [INFO] [stderr] with_timeout(mut self, value : u32) -> Self { self.timeout = value; self } [INFO] [stderr] } [INFO] [stdout] warning: unused import: `ItemImpl` [INFO] [stdout] --> src/lib.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | Expr, ItemFn, ItemImpl, ItemStruct, ReturnType, Stmt, parse_macro_input, visit_mut::VisitMut, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 26.46s [INFO] running `Command { std: "docker" "inspect" "b1d8c9d0b11502a6a667ef2e60e86fe12255fe0994c5783c7f3bb221753a6721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1d8c9d0b11502a6a667ef2e60e86fe12255fe0994c5783c7f3bb221753a6721", kill_on_drop: false }` [INFO] [stdout] b1d8c9d0b11502a6a667ef2e60e86fe12255fe0994c5783c7f3bb221753a6721 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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", kill_on_drop: false }` [INFO] [stdout] a3434cf23dd1e07ad0a64b2bcd61690d84d9920a3325539dea1ccdbdf87741e5 [INFO] running `Command { std: "docker" "start" "-a" "a3434cf23dd1e07ad0a64b2bcd61690d84d9920a3325539dea1ccdbdf87741e5", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `ItemImpl` [INFO] [stderr] --> src/lib.rs:4:19 [INFO] [stderr] | [INFO] [stderr] 4 | Expr, ItemFn, ItemImpl, ItemStruct, ReturnType, Stmt, parse_macro_input, visit_mut::VisitMut, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `method_chaining` (lib) generated 1 warning (run `cargo fix --lib -p method_chaining` to apply 1 suggestion) [INFO] [stderr] Generated methods: struct Config { host : String, port : u16, timeout : u32, } impl Config [INFO] [stderr] { [INFO] [stderr] pub fn with_host(mut self, value : String) -> Self [INFO] [stderr] { self.host = value; self } pub fn with_port(mut self, value : u16) -> [INFO] [stderr] Self { self.port = value; self } pub fn [INFO] [stderr] with_timeout(mut self, value : u32) -> Self { self.timeout = value; self } [INFO] [stderr] } [INFO] [stderr] warning: `method_chaining` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/method_chaining-087e857b0f5ee27d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/main.rs (/opt/rustwide/target/debug/deps/main-36269d023892c6da) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_chainable_basic ... ok [INFO] [stdout] test test_chainable_mutiple_returns ... ok [INFO] [stdout] test test_chainable_string_builder ... ok [INFO] [stdout] test test_chainable_struct ... ok [INFO] [stderr] Doc-tests method_chaining [INFO] [stdout] test test_chainable_config ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a3434cf23dd1e07ad0a64b2bcd61690d84d9920a3325539dea1ccdbdf87741e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3434cf23dd1e07ad0a64b2bcd61690d84d9920a3325539dea1ccdbdf87741e5", kill_on_drop: false }` [INFO] [stdout] a3434cf23dd1e07ad0a64b2bcd61690d84d9920a3325539dea1ccdbdf87741e5