[INFO] fetching crate method_chaining 0.1.0...
[INFO] testing method_chaining-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate method_chaining 0.1.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate method_chaining 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebcde52d72b9e131a44f734c9eeb025589581372fc81dec59d41a806fef894ab
[INFO] running `Command { std: "docker" "start" "-a" "ebcde52d72b9e131a44f734c9eeb025589581372fc81dec59d41a806fef894ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebcde52d72b9e131a44f734c9eeb025589581372fc81dec59d41a806fef894ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcde52d72b9e131a44f734c9eeb025589581372fc81dec59d41a806fef894ab", kill_on_drop: false }`
[INFO] [stdout] ebcde52d72b9e131a44f734c9eeb025589581372fc81dec59d41a806fef894ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f93a8276d05abff5c1fc23b1a3a0291d3c3a78fe40704670884063c42ec2ef0e
[INFO] running `Command { std: "docker" "start" "-a" "f93a8276d05abff5c1fc23b1a3a0291d3c3a78fe40704670884063c42ec2ef0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[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 6.00s
[INFO] running `Command { std: "docker" "inspect" "f93a8276d05abff5c1fc23b1a3a0291d3c3a78fe40704670884063c42ec2ef0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93a8276d05abff5c1fc23b1a3a0291d3c3a78fe40704670884063c42ec2ef0e", kill_on_drop: false }`
[INFO] [stdout] f93a8276d05abff5c1fc23b1a3a0291d3c3a78fe40704670884063c42ec2ef0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0810bc61eecb031c6af57b7c7245aa9c63a3476048710b3089aa67f0286c18df
[INFO] running `Command { std: "docker" "start" "-a" "0810bc61eecb031c6af57b7c7245aa9c63a3476048710b3089aa67f0286c18df", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling memchr v2.7.5
[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 serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[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 25.13s
[INFO] running `Command { std: "docker" "inspect" "0810bc61eecb031c6af57b7c7245aa9c63a3476048710b3089aa67f0286c18df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0810bc61eecb031c6af57b7c7245aa9c63a3476048710b3089aa67f0286c18df", kill_on_drop: false }`
[INFO] [stdout] 0810bc61eecb031c6af57b7c7245aa9c63a3476048710b3089aa67f0286c18df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3374dcc184e6bf68c80080810f4fcae1a83b555dd0ca70b63591636279b8a37
[INFO] running `Command { std: "docker" "start" "-a" "e3374dcc184e6bf68c80080810f4fcae1a83b555dd0ca70b63591636279b8a37", 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 0.07s
[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_mutiple_returns ... ok
[INFO] [stdout] test test_chainable_struct ... ok
[INFO] [stdout] test test_chainable_basic ... ok
[INFO] [stdout] test test_chainable_string_builder ... ok
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests method_chaining
[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" "e3374dcc184e6bf68c80080810f4fcae1a83b555dd0ca70b63591636279b8a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3374dcc184e6bf68c80080810f4fcae1a83b555dd0ca70b63591636279b8a37", kill_on_drop: false }`
[INFO] [stdout] e3374dcc184e6bf68c80080810f4fcae1a83b555dd0ca70b63591636279b8a37