[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] testing schatzmeister/rust-playground against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschatzmeister%2Frust-playground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [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-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/schatzmeister/rust-playground on toolchain 9f93af291970322f4f1c6315ccde4d7078201159 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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 [ERROR] error running command: no output for 300 seconds [INFO] testing schatzmeister/rust-playground against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschatzmeister%2Frust-playground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [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-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/schatzmeister/rust-playground on toolchain 9f93af291970322f4f1c6315ccde4d7078201159 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ae7693e080b48a343c293d3f65e68b2b461d4fa53dc72e9506a383c81cd3b1f [INFO] running `Command { std: "docker" "start" "-a" "9ae7693e080b48a343c293d3f65e68b2b461d4fa53dc72e9506a383c81cd3b1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ae7693e080b48a343c293d3f65e68b2b461d4fa53dc72e9506a383c81cd3b1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ae7693e080b48a343c293d3f65e68b2b461d4fa53dc72e9506a383c81cd3b1f", kill_on_drop: false }` [INFO] [stdout] 9ae7693e080b48a343c293d3f65e68b2b461d4fa53dc72e9506a383c81cd3b1f [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30febccd45840e58a80751015fbc0021021bc88814bab35b0d17d616ae4b781e [INFO] running `Command { std: "docker" "start" "-a" "30febccd45840e58a80751015fbc0021021bc88814bab35b0d17d616ae4b781e", kill_on_drop: false }` [INFO] [stderr] Compiling 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] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple [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] note: required by a bound in `FnOnce` [INFO] [stdout] --> /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:242:1 [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 `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/9f93af291970322f4f1c6315ccde4d7078201159/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: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] note: required by a bound in `FnOnce` [INFO] [stdout] --> /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:242:1 [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 `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/9f93af291970322f4f1c6315ccde4d7078201159/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: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] note: required by a bound in `FnOnce` [INFO] [stdout] --> /rustc/9f93af291970322f4f1c6315ccde4d7078201159/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 `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/9f93af291970322f4f1c6315ccde4d7078201159/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: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/9f93af291970322f4f1c6315ccde4d7078201159/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/9f93af291970322f4f1c6315ccde4d7078201159/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] [stderr] error: could not compile `rust-playground` (bin "rust-playground") due to 11 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "30febccd45840e58a80751015fbc0021021bc88814bab35b0d17d616ae4b781e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30febccd45840e58a80751015fbc0021021bc88814bab35b0d17d616ae4b781e", kill_on_drop: false }` [INFO] [stdout] 30febccd45840e58a80751015fbc0021021bc88814bab35b0d17d616ae4b781e