[INFO] fetching crate func 0.1.0... [INFO] testing func-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate func 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate func 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate func 0.1.0 [INFO] tweaked toml for crates.io crate func 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate func 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 func 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71d4c766cae8f08ef5583d6f7d7c0f141c8a5673707444e4e2b567df1a1481e3 [INFO] running `Command { std: "docker" "start" "-a" "71d4c766cae8f08ef5583d6f7d7c0f141c8a5673707444e4e2b567df1a1481e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71d4c766cae8f08ef5583d6f7d7c0f141c8a5673707444e4e2b567df1a1481e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71d4c766cae8f08ef5583d6f7d7c0f141c8a5673707444e4e2b567df1a1481e3", kill_on_drop: false }` [INFO] [stdout] 71d4c766cae8f08ef5583d6f7d7c0f141c8a5673707444e4e2b567df1a1481e3 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b79c558473fb3b7008e4f33a312534e57138d559375153024a03269186e223aa [INFO] running `Command { std: "docker" "start" "-a" "b79c558473fb3b7008e4f33a312534e57138d559375153024a03269186e223aa", kill_on_drop: false }` [INFO] [stderr] Compiling func v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:95:44 [INFO] [stdout] | [INFO] [stdout] 95 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 95 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 95 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:101:44 [INFO] [stdout] | [INFO] [stdout] 101 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 101 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 101 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:107:44 [INFO] [stdout] | [INFO] [stdout] 107 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 107 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 107 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "b79c558473fb3b7008e4f33a312534e57138d559375153024a03269186e223aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b79c558473fb3b7008e4f33a312534e57138d559375153024a03269186e223aa", kill_on_drop: false }` [INFO] [stdout] b79c558473fb3b7008e4f33a312534e57138d559375153024a03269186e223aa [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 094ca7bfa9cbe5468cd18469eddf2fea47a3bef3533d2190d9114701efa99abf [INFO] running `Command { std: "docker" "start" "-a" "094ca7bfa9cbe5468cd18469eddf2fea47a3bef3533d2190d9114701efa99abf", kill_on_drop: false }` [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:95:44 [INFO] [stdout] | [INFO] [stdout] 95 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 95 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 95 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:101:44 [INFO] [stdout] | [INFO] [stdout] 101 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 101 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 101 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling func v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:107:44 [INFO] [stdout] | [INFO] [stdout] 107 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 107 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 107 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:95:44 [INFO] [stdout] | [INFO] [stdout] 95 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 95 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 95 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:101:44 [INFO] [stdout] | [INFO] [stdout] 101 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 101 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 101 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:107:44 [INFO] [stdout] | [INFO] [stdout] 107 | self.captured == other.captured && self.function == other.function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stdout] | [INFO] [stdout] 107 - self.captured == other.captured && self.function == other.function [INFO] [stdout] 107 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "094ca7bfa9cbe5468cd18469eddf2fea47a3bef3533d2190d9114701efa99abf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "094ca7bfa9cbe5468cd18469eddf2fea47a3bef3533d2190d9114701efa99abf", kill_on_drop: false }` [INFO] [stdout] 094ca7bfa9cbe5468cd18469eddf2fea47a3bef3533d2190d9114701efa99abf [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0ba636c539d4ae040020b7f1286926b1f6f47477cbee1ad3d0b2817bebc8c407 [INFO] running `Command { std: "docker" "start" "-a" "0ba636c539d4ae040020b7f1286926b1f6f47477cbee1ad3d0b2817bebc8c407", kill_on_drop: false }` [INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stderr] --> src/lib.rs:95:44 [INFO] [stderr] | [INFO] [stderr] 95 | self.captured == other.captured && self.function == other.function [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the address of the same function can vary between different codegen units [INFO] [stderr] = note: furthermore, different functions could have the same address after being merged together [INFO] [stderr] = note: for more information visit [INFO] [stderr] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stderr] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stderr] | [INFO] [stderr] 95 - self.captured == other.captured && self.function == other.function [INFO] [stderr] 95 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stderr] --> src/lib.rs:101:44 [INFO] [stderr] | [INFO] [stderr] 101 | self.captured == other.captured && self.function == other.function [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the address of the same function can vary between different codegen units [INFO] [stderr] = note: furthermore, different functions could have the same address after being merged together [INFO] [stderr] = note: for more information visit [INFO] [stderr] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stderr] | [INFO] [stderr] 101 - self.captured == other.captured && self.function == other.function [INFO] [stderr] 101 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stderr] --> src/lib.rs:107:44 [INFO] [stderr] | [INFO] [stderr] 107 | self.captured == other.captured && self.function == other.function [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the address of the same function can vary between different codegen units [INFO] [stderr] = note: furthermore, different functions could have the same address after being merged together [INFO] [stderr] = note: for more information visit [INFO] [stderr] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint [INFO] [stderr] | [INFO] [stderr] 107 - self.captured == other.captured && self.function == other.function [INFO] [stderr] 107 + self.captured == other.captured && std::ptr::fn_addr_eq(self.function, other.function) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `func` (lib) generated 3 warnings [INFO] [stderr] warning: `func` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/func-614236f631976e46) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::addition_func_without_parameter_type_annotations ... ok [INFO] [stdout] test test::labeled_capturing_addition_func ... ok [INFO] [stdout] test test::unlabeled_capturing_addition_func ... ok [INFO] [stdout] test test::addition_func_with_type_annotations ... ok [INFO] [stdout] test test::addition_func_without_type_annotations ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests func [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" "0ba636c539d4ae040020b7f1286926b1f6f47477cbee1ad3d0b2817bebc8c407", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ba636c539d4ae040020b7f1286926b1f6f47477cbee1ad3d0b2817bebc8c407", kill_on_drop: false }` [INFO] [stdout] 0ba636c539d4ae040020b7f1286926b1f6f47477cbee1ad3d0b2817bebc8c407