[INFO] fetching crate type-equalities 0.3.1... [INFO] testing type-equalities-0.3.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate type-equalities 0.3.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate type-equalities 0.3.1 [INFO] finished tweaking crates.io crate type-equalities 0.3.1 [INFO] tweaked toml for crates.io crate type-equalities 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate type-equalities 0.3.1 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 1 package to latest compatible version [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 25a4ff6ac0afbbeb7b094851ad081be45de434513e3597863266d9a93bc5bbcc [INFO] running `Command { std: "docker" "start" "-a" "25a4ff6ac0afbbeb7b094851ad081be45de434513e3597863266d9a93bc5bbcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25a4ff6ac0afbbeb7b094851ad081be45de434513e3597863266d9a93bc5bbcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25a4ff6ac0afbbeb7b094851ad081be45de434513e3597863266d9a93bc5bbcc", kill_on_drop: false }` [INFO] [stdout] 25a4ff6ac0afbbeb7b094851ad081be45de434513e3597863266d9a93bc5bbcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2877aebaa8389a041854a03594cd58eb9eb4720fe96e9d4109c5cd8b33c012a1 [INFO] running `Command { std: "docker" "start" "-a" "2877aebaa8389a041854a03594cd58eb9eb4720fe96e9d4109c5cd8b33c012a1", kill_on_drop: false }` [INFO] [stderr] Compiling type-equalities v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `unstable_feature` [INFO] [stdout] --> src/lib.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | #![cfg_attr(unstable_feature, feature(const_fn_trait_bound))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(unstable_feature)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` 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: unexpected `cfg` condition name: `unstable_feature` [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | #![cfg_attr(unstable_feature, feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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(unstable_feature)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "2877aebaa8389a041854a03594cd58eb9eb4720fe96e9d4109c5cd8b33c012a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2877aebaa8389a041854a03594cd58eb9eb4720fe96e9d4109c5cd8b33c012a1", kill_on_drop: false }` [INFO] [stdout] 2877aebaa8389a041854a03594cd58eb9eb4720fe96e9d4109c5cd8b33c012a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 835d757f4acd3cd096c561ebe62b56904cb548b7bf548554f26f6556049370cc [INFO] running `Command { std: "docker" "start" "-a" "835d757f4acd3cd096c561ebe62b56904cb548b7bf548554f26f6556049370cc", kill_on_drop: false }` [INFO] [stdout] warning: unexpected `cfg` condition name: `unstable_feature` [INFO] [stdout] --> src/lib.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | #![cfg_attr(unstable_feature, feature(const_fn_trait_bound))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(unstable_feature)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` 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: unexpected `cfg` condition name: `unstable_feature` [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | #![cfg_attr(unstable_feature, feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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(unstable_feature)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling type-equalities v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `unstable_feature` [INFO] [stdout] --> src/lib.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | #![cfg_attr(unstable_feature, feature(const_fn_trait_bound))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(unstable_feature)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` 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: unexpected `cfg` condition name: `unstable_feature` [INFO] [stdout] --> src/lib.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | #![cfg_attr(unstable_feature, feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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(unstable_feature)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "835d757f4acd3cd096c561ebe62b56904cb548b7bf548554f26f6556049370cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "835d757f4acd3cd096c561ebe62b56904cb548b7bf548554f26f6556049370cc", kill_on_drop: false }` [INFO] [stdout] 835d757f4acd3cd096c561ebe62b56904cb548b7bf548554f26f6556049370cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c3533af7120bcd0f5144dfb8f9b8e4c624222d1677d874479499964a2823f684 [INFO] running `Command { std: "docker" "start" "-a" "c3533af7120bcd0f5144dfb8f9b8e4c624222d1677d874479499964a2823f684", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `unstable_feature` [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:9:13 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 9 | #![cfg_attr(unstable_feature, feature(const_fn_trait_bound))] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(unstable_feature)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` 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: unexpected `cfg` condition name: `unstable_feature` [INFO] [stderr] --> src/lib.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | #![cfg_attr(unstable_feature, feature(doc_cfg))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [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(unstable_feature)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unstable_feature)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: `type-equalities` (lib) generated 2 warnings [INFO] [stderr] warning: `type-equalities` (lib test) generated 2 warnings (2 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/type_equalities-3e0aa6d6cdd3b7b2) [INFO] [stderr] Doc-tests type_equalities [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/lib.rs - TypeEq (line 83) - compile fail ... ok [INFO] [stdout] test src/lib.rs - IsEqual (line 39) - compile fail ... ok [INFO] [stdout] test src/lib.rs - TypeEq (line 74) - compile fail ... ok [INFO] [stdout] test src/lib.rs - TypeEq (line 94) - compile fail ... ok [INFO] [stdout] test src/lib.rs - TypeEq (line 64) ... ok [INFO] [stdout] test src/lib.rs - coerce_box (line 166) ... ok [INFO] [stdout] test src/lib.rs - coerce_ref (line 181) ... ok [INFO] [stdout] test src/lib.rs - TypeEq::coerce (line 270) ... ok [INFO] [stdout] test src/lib.rs - coerce (line 153) ... ok [INFO] [stdout] test src/lib.rs - type_functions (line 372) ... ok [INFO] [stdout] test src/lib.rs - IsEqual (line 54) ... ok [INFO] [stdout] test src/lib.rs - coerce_mut (line 194) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c3533af7120bcd0f5144dfb8f9b8e4c624222d1677d874479499964a2823f684", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3533af7120bcd0f5144dfb8f9b8e4c624222d1677d874479499964a2823f684", kill_on_drop: false }` [INFO] [stdout] c3533af7120bcd0f5144dfb8f9b8e4c624222d1677d874479499964a2823f684