[INFO] fetching crate ufo 0.1.0... [INFO] testing ufo-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate ufo 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate ufo 0.1.0 [INFO] finished tweaking crates.io crate ufo 0.1.0 [INFO] tweaked toml for crates.io crate ufo 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ufo 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4930003ddbf7a138d29a673f810cfaac15c70491e4045128b678e6a1146e0833 [INFO] running `Command { std: "docker" "start" "-a" "4930003ddbf7a138d29a673f810cfaac15c70491e4045128b678e6a1146e0833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4930003ddbf7a138d29a673f810cfaac15c70491e4045128b678e6a1146e0833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4930003ddbf7a138d29a673f810cfaac15c70491e4045128b678e6a1146e0833", kill_on_drop: false }` [INFO] [stdout] 4930003ddbf7a138d29a673f810cfaac15c70491e4045128b678e6a1146e0833 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f5da1270f22e3dbc39d7d9c3560860cc58aa2dd812f9fa33166d110d80bdfdb7 [INFO] running `Command { std: "docker" "start" "-a" "f5da1270f22e3dbc39d7d9c3560860cc58aa2dd812f9fa33166d110d80bdfdb7", kill_on_drop: false }` [INFO] [stderr] Compiling ufo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `tests` [INFO] [stdout] --> src/lib.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | #[cfg(tests)] [INFO] [stdout] | ^^^^^ help: there is a config with a similar name: `test` [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:119:31 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct InvalidNumberError(f32); [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidNumberError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/math.rs:82:50 [INFO] [stdout] | [INFO] [stdout] 82 | fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 82 - fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] 82 + fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "f5da1270f22e3dbc39d7d9c3560860cc58aa2dd812f9fa33166d110d80bdfdb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5da1270f22e3dbc39d7d9c3560860cc58aa2dd812f9fa33166d110d80bdfdb7", kill_on_drop: false }` [INFO] [stdout] f5da1270f22e3dbc39d7d9c3560860cc58aa2dd812f9fa33166d110d80bdfdb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 359cda898d53904b04aa1d4549b18e9b524a3c1cc4b7a14dc19b44fe30d07950 [INFO] running `Command { std: "docker" "start" "-a" "359cda898d53904b04aa1d4549b18e9b524a3c1cc4b7a14dc19b44fe30d07950", kill_on_drop: false }` [INFO] [stdout] warning: unexpected `cfg` condition name: `tests` [INFO] [stdout] --> src/lib.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | #[cfg(tests)] [INFO] [stdout] | ^^^^^ help: there is a config with a similar name: `test` [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:119:31 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct InvalidNumberError(f32); [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidNumberError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/math.rs:82:50 [INFO] [stdout] | [INFO] [stdout] 82 | fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 82 - fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] 82 + fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ufo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `tests` [INFO] [stdout] --> src/lib.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | #[cfg(tests)] [INFO] [stdout] | ^^^^^ help: there is a config with a similar name: `test` [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:119:31 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct InvalidNumberError(f32); [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidNumberError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/math.rs:82:50 [INFO] [stdout] | [INFO] [stdout] 82 | fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 82 - fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] 82 + fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "359cda898d53904b04aa1d4549b18e9b524a3c1cc4b7a14dc19b44fe30d07950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "359cda898d53904b04aa1d4549b18e9b524a3c1cc4b7a14dc19b44fe30d07950", kill_on_drop: false }` [INFO] [stdout] 359cda898d53904b04aa1d4549b18e9b524a3c1cc4b7a14dc19b44fe30d07950 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c511177a6c3526ebdd91b54c2f6df1d6e47b8df7c1fd3346f8f21680fde10646 [INFO] running `Command { std: "docker" "start" "-a" "c511177a6c3526ebdd91b54c2f6df1d6e47b8df7c1fd3346f8f21680fde10646", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `tests` [INFO] [stderr] --> src/lib.rs:129:7 [INFO] [stderr] | [INFO] [stderr] 129 | #[cfg(tests)] [INFO] [stderr] | ^^^^^ help: there is a config with a similar name: `test` [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:119:31 [INFO] [stderr] | [INFO] [stderr] 119 | pub struct InvalidNumberError(f32); [INFO] [stderr] | ------------------ ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `InvalidNumberError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/math.rs:82:50 [INFO] [stderr] | [INFO] [stderr] 82 | fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stderr] | -- ^^ the same lifetime is elided here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'b` [INFO] [stderr] | [INFO] [stderr] 82 - fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stderr] 82 + fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `ufo` (lib) generated 3 warnings (run `cargo fix --lib -p ufo` to apply 1 suggestion) [INFO] [stderr] warning: `ufo` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ufo-ff83152f73639e13) [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] Doc-tests ufo [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 25) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c511177a6c3526ebdd91b54c2f6df1d6e47b8df7c1fd3346f8f21680fde10646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c511177a6c3526ebdd91b54c2f6df1d6e47b8df7c1fd3346f8f21680fde10646", kill_on_drop: false }` [INFO] [stdout] c511177a6c3526ebdd91b54c2f6df1d6e47b8df7c1fd3346f8f21680fde10646