[INFO] cloning repository https://github.com/perlindgren/no_std_generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perlindgren/no_std_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Fno_std_generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Fno_std_generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5163188b7ae41136dcad427c7c43abd199245f7b [INFO] checking perlindgren/no_std_generator against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Fno_std_generator" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/perlindgren/no_std_generator on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/perlindgren/no_std_generator [INFO] finished tweaking git repo https://github.com/perlindgren/no_std_generator [INFO] tweaked toml for git repo https://github.com/perlindgren/no_std_generator written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/perlindgren/no_std_generator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56f28acc4d13f6f19fe6bc09122ba404220bc6d397dc49e3043319b06e9897c3 [INFO] running `Command { std: "docker" "start" "-a" "56f28acc4d13f6f19fe6bc09122ba404220bc6d397dc49e3043319b06e9897c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56f28acc4d13f6f19fe6bc09122ba404220bc6d397dc49e3043319b06e9897c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56f28acc4d13f6f19fe6bc09122ba404220bc6d397dc49e3043319b06e9897c3", kill_on_drop: false }` [INFO] [stdout] 56f28acc4d13f6f19fe6bc09122ba404220bc6d397dc49e3043319b06e9897c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fcfab5b96b6a7bfbc1945d115f22cab2919cd4a39b550384d4bfcaf52fbe7825 [INFO] running `Command { std: "docker" "start" "-a" "fcfab5b96b6a7bfbc1945d115f22cab2919cd4a39b550384d4bfcaf52fbe7825", kill_on_drop: false }` [INFO] [stderr] Checking generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | type G = impl Generator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: type alias impl trait is not permitted here [INFO] [stdout] --> src/main.rs:29:32 [INFO] [stdout] | [INFO] [stdout] 29 | static mut X: MaybeUninit = MaybeUninit::uninit(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63065 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | type G = impl Generator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: type alias impl trait is not permitted here [INFO] [stdout] --> src/main.rs:29:32 [INFO] [stdout] | [INFO] [stdout] 29 | static mut X: MaybeUninit = MaybeUninit::uninit(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63065 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: concrete type differs from previous defining opaque type use [INFO] [stdout] --> src/main.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | static mut X: MaybeUninit = MaybeUninit::uninit(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `[generator@src/main.rs:13:5: 26:6]`, got `[type error]` [INFO] [stdout] | [INFO] [stdout] note: previous use here [INFO] [stdout] --> src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | fn task(x: &'static mut u32) -> G { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/main.rs:37:57 [INFO] [stdout] | [INFO] [stdout] 37 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume()); [INFO] [stdout] | ^^^^^^- supplied 0 arguments [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses [INFO] [stdout] | [INFO] [stdout] 37 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume(())); [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/main.rs:38:57 [INFO] [stdout] | [INFO] [stdout] 38 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume()); [INFO] [stdout] | ^^^^^^- supplied 0 arguments [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses [INFO] [stdout] | [INFO] [stdout] 38 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume(())); [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/main.rs:39:57 [INFO] [stdout] | [INFO] [stdout] 39 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume()); [INFO] [stdout] | ^^^^^^- supplied 0 arguments [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses [INFO] [stdout] | [INFO] [stdout] 39 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume(())); [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stderr] error: could not compile `generator` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: concrete type differs from previous defining opaque type use [INFO] [stdout] --> src/main.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | static mut X: MaybeUninit = MaybeUninit::uninit(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `[generator@src/main.rs:13:5: 26:6]`, got `[type error]` [INFO] [stdout] | [INFO] [stdout] note: previous use here [INFO] [stdout] --> src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | fn task(x: &'static mut u32) -> G { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/main.rs:37:57 [INFO] [stdout] | [INFO] [stdout] 37 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume()); [INFO] [stdout] | ^^^^^^- supplied 0 arguments [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses [INFO] [stdout] | [INFO] [stdout] 37 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume(())); [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/main.rs:38:57 [INFO] [stdout] | [INFO] [stdout] 38 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume()); [INFO] [stdout] | ^^^^^^- supplied 0 arguments [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses [INFO] [stdout] | [INFO] [stdout] 38 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume(())); [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/main.rs:39:57 [INFO] [stdout] | [INFO] [stdout] 39 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume()); [INFO] [stdout] | ^^^^^^- supplied 0 arguments [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses [INFO] [stdout] | [INFO] [stdout] 39 | println!("-- {:?}", Pin::new_unchecked(&mut *g).resume(())); [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "fcfab5b96b6a7bfbc1945d115f22cab2919cd4a39b550384d4bfcaf52fbe7825", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcfab5b96b6a7bfbc1945d115f22cab2919cd4a39b550384d4bfcaf52fbe7825", kill_on_drop: false }` [INFO] [stdout] fcfab5b96b6a7bfbc1945d115f22cab2919cd4a39b550384d4bfcaf52fbe7825