[INFO] cloning repository https://github.com/schatzmeister/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schatzmeister/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschatzmeister%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschatzmeister%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ae92f7c6296f05328f1aeb24c09a942a34655400 [INFO] checking schatzmeister/rust-playground against master#f5d3fe273b8b9e7125bf8856d44793b6cc4b6735 for pr-139587-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschatzmeister%2Frust-playground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/schatzmeister/rust-playground on toolchain f5d3fe273b8b9e7125bf8856d44793b6cc4b6735 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5d3fe273b8b9e7125bf8856d44793b6cc4b6735" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/schatzmeister/rust-playground [INFO] finished tweaking git repo https://github.com/schatzmeister/rust-playground [INFO] tweaked toml for git repo https://github.com/schatzmeister/rust-playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/schatzmeister/rust-playground 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" "+f5d3fe273b8b9e7125bf8856d44793b6cc4b6735" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f5d3fe273b8b9e7125bf8856d44793b6cc4b6735" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2048f170f3d2d9801ca7917c25c419cc0124e597203fe201b7d99b52075bd6c [INFO] running `Command { std: "docker" "start" "-a" "b2048f170f3d2d9801ca7917c25c419cc0124e597203fe201b7d99b52075bd6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2048f170f3d2d9801ca7917c25c419cc0124e597203fe201b7d99b52075bd6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2048f170f3d2d9801ca7917c25c419cc0124e597203fe201b7d99b52075bd6c", kill_on_drop: false }` [INFO] [stdout] b2048f170f3d2d9801ca7917c25c419cc0124e597203fe201b7d99b52075bd6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f5d3fe273b8b9e7125bf8856d44793b6cc4b6735" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8291dbaba6ed2f9992a9b70c09eaf0aefe3a156f5318a2db39a64a10ad243de2 [INFO] running `Command { std: "docker" "start" "-a" "8291dbaba6ed2f9992a9b70c09eaf0aefe3a156f5318a2db39a64a10ad243de2", kill_on_drop: false }` [INFO] [stderr] Checking rust-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `member_constraints` has been stable since 1.54.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(member_constraints)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `member_constraints` has been stable since 1.54.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(member_constraints)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple [INFO] [stdout] --> src/main.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Fn for FnCompose { [INFO] [stdout] | ^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Fn` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:76:1 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 12 | impl Fn for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `FnMut` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:163:1 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple [INFO] [stdout] --> src/main.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Fn for FnCompose { [INFO] [stdout] | ^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Fn` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:76:1 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 12 | impl Fn for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple [INFO] [stdout] --> src/main.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `FnOnce` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:242:1 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `FnMut` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:163:1 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple [INFO] [stdout] --> src/main.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `FnOnce` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:242:1 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | extern "rust-call" fn call(&self, args: A) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 12 | impl Fn for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | extern "rust-call" fn call(&self, args: A) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 12 | impl Fn for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | extern "rust-call" fn call_mut(&mut self, args: A) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | extern "rust-call" fn call_once(self, args: A) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | extern "rust-call" fn call_mut(&mut self, args: A) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | extern "rust-call" fn call_once(self, args: A) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `A` is not a tuple [INFO] [stdout] --> src/main.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | self.call(args) [INFO] [stdout] | ---- ^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `call` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:79:5 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `A` is not a tuple [INFO] [stdout] --> src/main.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | self.call(args) [INFO] [stdout] | ---- ^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `call` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:79:5 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `A` is not a tuple [INFO] [stdout] --> src/main.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | self.call(args) [INFO] [stdout] | ---- ^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `call` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:79:5 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 18 | impl FnMut for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `A` is not a tuple [INFO] [stdout] --> src/main.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | self.call(args) [INFO] [stdout] | ---- ^^^^ the trait `Tuple` is not implemented for `A` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `call` [INFO] [stdout] --> /rustc/f5d3fe273b8b9e7125bf8856d44793b6cc4b6735/library/core/src/ops/function.rs:79:5 [INFO] [stdout] help: consider restricting type parameter `A` with unstable trait `Tuple` [INFO] [stdout] | [INFO] [stdout] 24 | impl FnOnce for FnCompose { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0059, E0277. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0059`. [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0059, E0277. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0059`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-playground` (bin "rust-playground") due to 8 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust-playground` (bin "rust-playground" test) due to 8 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8291dbaba6ed2f9992a9b70c09eaf0aefe3a156f5318a2db39a64a10ad243de2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8291dbaba6ed2f9992a9b70c09eaf0aefe3a156f5318a2db39a64a10ad243de2", kill_on_drop: false }` [INFO] [stdout] 8291dbaba6ed2f9992a9b70c09eaf0aefe3a156f5318a2db39a64a10ad243de2