[INFO] fetching crate shoulda_core 0.2.1... [INFO] testing shoulda_core-0.2.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate shoulda_core 0.2.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate shoulda_core 0.2.1 [INFO] finished tweaking crates.io crate shoulda_core 0.2.1 [INFO] tweaked toml for crates.io crate shoulda_core 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate shoulda_core 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding const_env_impl v0.1.2 (available: v0.1.3) [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] 34cf3ec2dd7b18b34321b027f7ee84438d5aae5fce2d60663fb1aebbe80ce9c4 [INFO] running `Command { std: "docker" "start" "-a" "34cf3ec2dd7b18b34321b027f7ee84438d5aae5fce2d60663fb1aebbe80ce9c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34cf3ec2dd7b18b34321b027f7ee84438d5aae5fce2d60663fb1aebbe80ce9c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34cf3ec2dd7b18b34321b027f7ee84438d5aae5fce2d60663fb1aebbe80ce9c4", kill_on_drop: false }` [INFO] [stdout] 34cf3ec2dd7b18b34321b027f7ee84438d5aae5fce2d60663fb1aebbe80ce9c4 [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] a87eff28b73ab5533c3b7d77d38f06d1c48bd7fa6691de9987ac1e21529c90ae [INFO] running `Command { std: "docker" "start" "-a" "a87eff28b73ab5533c3b7d77d38f06d1c48bd7fa6691de9987ac1e21529c90ae", kill_on_drop: false }` [INFO] [stderr] Compiling const_env_impl v0.1.2 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.3 [INFO] [stderr] Compiling const_env v0.1.2 [INFO] [stderr] Compiling shoulda_core v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:130:15 [INFO] [stdout] | [INFO] [stdout] 130 | fn should(&self) -> Should [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 130 | fn should(&self) -> Should<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs" }) } [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/wrapper_types.rs:72:47 [INFO] [stdout] | [INFO] [stdout] 72 | self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Cell` does not implement `Borrow`, so calling `borrow` on `&Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 72 - self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] 72 + self.get().should_eq::(&other.get()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.64s [INFO] running `Command { std: "docker" "inspect" "a87eff28b73ab5533c3b7d77d38f06d1c48bd7fa6691de9987ac1e21529c90ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a87eff28b73ab5533c3b7d77d38f06d1c48bd7fa6691de9987ac1e21529c90ae", kill_on_drop: false }` [INFO] [stdout] a87eff28b73ab5533c3b7d77d38f06d1c48bd7fa6691de9987ac1e21529c90ae [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] f91e50ad814dc7ea2b84f84579b952171026fc436460cfe55d96eff339f537ff [INFO] running `Command { std: "docker" "start" "-a" "f91e50ad814dc7ea2b84f84579b952171026fc436460cfe55d96eff339f537ff", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:130:15 [INFO] [stdout] | [INFO] [stdout] 130 | fn should(&self) -> Should [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 130 | fn should(&self) -> Should<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/wrapper_types.rs:72:47 [INFO] [stdout] | [INFO] [stdout] 72 | self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Cell` does not implement `Borrow`, so calling `borrow` on `&Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 72 - self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] 72 + self.get().should_eq::(&other.get()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs" }) } [INFO] [stderr] Compiling shoulda_core v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:130:15 [INFO] [stdout] | [INFO] [stdout] 130 | fn should(&self) -> Should [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 130 | fn should(&self) -> Should<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs" }) } [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/wrapper_types.rs:72:47 [INFO] [stdout] | [INFO] [stdout] 72 | self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Cell` does not implement `Borrow`, so calling `borrow` on `&Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 72 - self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] 72 + self.get().should_eq::(&other.get()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "f91e50ad814dc7ea2b84f84579b952171026fc436460cfe55d96eff339f537ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f91e50ad814dc7ea2b84f84579b952171026fc436460cfe55d96eff339f537ff", kill_on_drop: false }` [INFO] [stdout] f91e50ad814dc7ea2b84f84579b952171026fc436460cfe55d96eff339f537ff [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] de42697719f1e7a822801ae20493a14e2d61439d2516a71026a2fca650d2b533 [INFO] running `Command { std: "docker" "start" "-a" "de42697719f1e7a822801ae20493a14e2d61439d2516a71026a2fca650d2b533", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:130:15 [INFO] [stderr] | [INFO] [stderr] 130 | fn should(&self) -> Should [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided 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: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 130 | fn should(&self) -> Should<'_, Self> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs" }) } [INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stderr] --> src/wrapper_types.rs:72:47 [INFO] [stderr] | [INFO] [stderr] 72 | self.get().should_eq::(&other.borrow().get()) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `Cell` does not implement `Borrow`, so calling `borrow` on `&Cell` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 72 - self.get().should_eq::(&other.borrow().get()) [INFO] [stderr] 72 + self.get().should_eq::(&other.get()) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `shoulda_core` (lib) generated 2 warnings (run `cargo fix --lib -p shoulda_core` to apply 2 suggestions) [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/cell.rs" }) } [INFO] [stderr] warning: `shoulda_core` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shoulda_core-3c0bfe69af1dcf56) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test specifics::iter::tests::should_contain_sequence ... ok [INFO] [stdout] test specifics::iter::tests::should_contain ... ok [INFO] [stdout] test specifics::iter::tests::should_contains ... ok [INFO] [stdout] test specifics::iter::tests::should_not_contain_sequence ... ok [INFO] [stdout] test specifics::iter::tests::should_not_contain ... ok [INFO] [stdout] test specifics::iter::tests::should_not_contains ... ok [INFO] [stdout] test tests::contains ... ok [INFO] [stdout] test tests::of_type ... ok [INFO] [stdout] test tests::operation_order_dependent ... ok [INFO] [stdout] test tests::or_operation ... ok [INFO] [stdout] test tests::should_panic_on_fail ... ok [INFO] [stdout] test tests::panic_catching ... ok [INFO] [stdout] test tests::string_and_str ... ok [INFO] [stdout] test tests::tuples ... ok [INFO] [stdout] test tests::vec_cow_i32 ... ok [INFO] [stdout] test tests::vec_cow_str ... ok [INFO] [stdout] test tests::float_diff_changes ... ok [INFO] [stderr] Doc-tests shoulda_core [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [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" "de42697719f1e7a822801ae20493a14e2d61439d2516a71026a2fca650d2b533", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de42697719f1e7a822801ae20493a14e2d61439d2516a71026a2fca650d2b533", kill_on_drop: false }` [INFO] [stdout] de42697719f1e7a822801ae20493a14e2d61439d2516a71026a2fca650d2b533