[INFO] fetching crate effing-mad 0.1.0... [INFO] testing effing-mad-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate effing-mad 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate effing-mad 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate effing-mad 0.1.0 [INFO] tweaked toml for crates.io crate effing-mad 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate effing-mad 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate effing-mad 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de37da1544180c988ec2b7fbc696f991b04fba1c78455159df6ac66544f0a5ad [INFO] running `Command { std: "docker" "start" "-a" "de37da1544180c988ec2b7fbc696f991b04fba1c78455159df6ac66544f0a5ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de37da1544180c988ec2b7fbc696f991b04fba1c78455159df6ac66544f0a5ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de37da1544180c988ec2b7fbc696f991b04fba1c78455159df6ac66544f0a5ad", kill_on_drop: false }` [INFO] [stdout] de37da1544180c988ec2b7fbc696f991b04fba1c78455159df6ac66544f0a5ad [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 949e5e421ac1b599996de19884a0d73bf7f03c4bfa683b1571b81f2da3e7cf5e [INFO] running `Command { std: "docker" "start" "-a" "949e5e421ac1b599996de19884a0d73bf7f03c4bfa683b1571b81f2da3e7cf5e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling frunk_core v0.4.0 [INFO] [stderr] Compiling frunk_proc_macro_helpers v0.1.0 [INFO] [stderr] Compiling frunk_derives v0.4.0 [INFO] [stderr] Compiling effing-macros v0.1.0 [INFO] [stderr] Compiling frunk v0.4.0 [INFO] [stderr] Compiling effing-mad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | #![feature(generators)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: renamed to `coroutines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState` [INFO] [stdout] --> src/effects/future.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | ops::{Generator, GeneratorState}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stdout] | | [INFO] [stdout] | no `Generator` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState` [INFO] [stdout] --> src/higher_order.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | ops::{Generator, GeneratorState}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stdout] | | [INFO] [stdout] | no `Generator` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState` [INFO] [stdout] --> src/lib.rs:55:24 [INFO] [stdout] | [INFO] [stdout] 55 | ops::{ControlFlow, Generator, GeneratorState}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stdout] | | [INFO] [stdout] | no `Generator` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:119:57 [INFO] [stdout] | [INFO] [stdout] 119 | GeneratorState::Yielded(effs) => injs = yield effs, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:224:47 [INFO] [stdout] | [INFO] [stdout] 224 | Err(effs) => injection = (yield effs).embed(), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:369:66 [INFO] [stdout] | [INFO] [stdout] 369 | ... handler_inj = PostIs::subset(yield effs.embed()).ok().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:381:63 [INFO] [stdout] | [INFO] [stdout] 381 | ... PreHandleIs::embed(PostIs::subset(yield effs.embed()).ok().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:119:57 [INFO] [stdout] | [INFO] [stdout] 119 | GeneratorState::Yielded(effs) => injs = yield effs, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks [INFO] [stdout] --> src/lib.rs:119:57 [INFO] [stdout] | [INFO] [stdout] 119 | GeneratorState::Yielded(effs) => injs = yield effs, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine [INFO] [stdout] | [INFO] [stdout] 114 | #[coroutine] move |mut injs: I| { [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:224:47 [INFO] [stdout] | [INFO] [stdout] 224 | Err(effs) => injection = (yield effs).embed(), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks [INFO] [stdout] --> src/lib.rs:224:47 [INFO] [stdout] | [INFO] [stdout] 224 | Err(effs) => injection = (yield effs).embed(), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine [INFO] [stdout] | [INFO] [stdout] 211 | #[coroutine] move |_begin: PostIs| { [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:369:66 [INFO] [stdout] | [INFO] [stdout] 369 | ... handler_inj = PostIs::subset(yield effs.embed()).ok().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks [INFO] [stdout] --> src/lib.rs:369:66 [INFO] [stdout] | [INFO] [stdout] 369 | ... handler_inj = PostIs::subset(yield effs.embed()).ok().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine [INFO] [stdout] | [INFO] [stdout] 353 | #[coroutine] move |_begin: PostIs| { [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/lib.rs:381:63 [INFO] [stdout] | [INFO] [stdout] 381 | ... PreHandleIs::embed(PostIs::subset(yield effs.embed()).ok().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `generator_trait` [INFO] [stdout] --> src/lib.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | #![feature(generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Return` not found for `G` [INFO] [stdout] --> src/higher_order.rs:50:83 [INFO] [stdout] | [INFO] [stdout] 50 | fn map_eff(self, g: impl FnOnce(T) -> G) -> OptionMapEff [INFO] [stdout] | ^^^^^^ there is an associated type `Return` in the trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] help: consider further restricting type parameter `G` with unstable trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] 53 | G: Generator + Coroutine; [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Return` not found for `G` [INFO] [stdout] --> src/higher_order.rs:149:86 [INFO] [stdout] | [INFO] [stdout] 149 | fn map_eff(self, g: impl FnOnce(T) -> G) -> ResultMapEff [INFO] [stdout] | ^^^^^^ there is an associated type `Return` in the trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] help: consider further restricting type parameter `G` with unstable trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] 152 | G: Generator + Coroutine; [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Return` not found for `G` [INFO] [stdout] --> src/higher_order.rs:157:93 [INFO] [stdout] | [INFO] [stdout] 157 | fn map_err_eff(self, g: impl FnOnce(E) -> G) -> ResultMapErrEff [INFO] [stdout] | ^^^^^^ there is an associated type `Return` in the trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] help: consider further restricting type parameter `G` with unstable trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] 160 | G: Generator + Coroutine; [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Return` not found for `G` [INFO] [stdout] --> src/higher_order.rs:57:83 [INFO] [stdout] | [INFO] [stdout] 57 | fn map_eff(self, g: impl FnOnce(T) -> G) -> OptionMapEff [INFO] [stdout] | ^^^^^^ there is an associated type `Return` in the trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] help: consider further restricting type parameter `G` with unstable trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] 60 | G: Generator + Coroutine, [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Return` not found for `G` [INFO] [stdout] --> src/higher_order.rs:164:86 [INFO] [stdout] | [INFO] [stdout] 164 | fn map_eff(self, g: impl FnOnce(T) -> G) -> ResultMapEff [INFO] [stdout] | ^^^^^^ there is an associated type `Return` in the trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] help: consider further restricting type parameter `G` with unstable trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] 167 | G: Generator + Coroutine, [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Return` not found for `G` [INFO] [stdout] --> src/higher_order.rs:176:93 [INFO] [stdout] | [INFO] [stdout] 176 | fn map_err_eff(self, g: impl FnOnce(E) -> G) -> ResultMapErrEff [INFO] [stdout] | ^^^^^^ there is an associated type `Return` in the trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] help: consider further restricting type parameter `G` with unstable trait `Coroutine` [INFO] [stdout] | [INFO] [stdout] 179 | G: Generator + Coroutine, [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0220, E0432, E0557, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0220`. [INFO] [stdout] [INFO] [stderr] error: could not compile `effing-mad` (lib) due to 22 previous errors [INFO] running `Command { std: "docker" "inspect" "949e5e421ac1b599996de19884a0d73bf7f03c4bfa683b1571b81f2da3e7cf5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "949e5e421ac1b599996de19884a0d73bf7f03c4bfa683b1571b81f2da3e7cf5e", kill_on_drop: false }` [INFO] [stdout] 949e5e421ac1b599996de19884a0d73bf7f03c4bfa683b1571b81f2da3e7cf5e