[INFO] fetching crate lazy-pipe 0.1.3...
[INFO] checking lazy-pipe-0.1.3 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate lazy-pipe 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lazy-pipe 0.1.3 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lazy-pipe 0.1.3
[INFO] finished tweaking crates.io crate lazy-pipe 0.1.3
[INFO] tweaked toml for crates.io crate lazy-pipe 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab80b9d0a2c716810bda3f7c7724a9c0c0fde249108a9a61a8a8bd8fed61e53e
[INFO] running `Command { std: "docker" "start" "-a" "ab80b9d0a2c716810bda3f7c7724a9c0c0fde249108a9a61a8a8bd8fed61e53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab80b9d0a2c716810bda3f7c7724a9c0c0fde249108a9a61a8a8bd8fed61e53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab80b9d0a2c716810bda3f7c7724a9c0c0fde249108a9a61a8a8bd8fed61e53e", kill_on_drop: false }`
[INFO] [stdout] ab80b9d0a2c716810bda3f7c7724a9c0c0fde249108a9a61a8a8bd8fed61e53e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 695c2e7b2edde6dd690f58c813a4d84b191b501fd29240aaa0518ac7e4503d17
[INFO] running `Command { std: "docker" "start" "-a" "695c2e7b2edde6dd690f58c813a4d84b191b501fd29240aaa0518ac7e4503d17", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy-pipe v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unsized_locals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/structs.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub(crate) func: Box<'a + FnOnce() -> Value>,
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + FnOnce() -> Value`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unsized_locals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/structs.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub(crate) func: Box<'a + FnOnce() -> Value>,
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + FnOnce() -> Value`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/traits.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn to<Next: 'a>(self, func: impl 'a + FnOnce(Self::Value) -> Next) -> PipeBox<'a, Next> {
[INFO] [stdout]    |                     ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: unsized fn params are gated as an unstable feature
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn to<Next: 'a>(self, func: impl 'a + FnOnce(Self::Value) -> Next) -> PipeBox<'a, Next> where Self: Sized {
[INFO] [stdout]    |                                                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn to<Next: 'a>(&self, func: impl 'a + FnOnce(Self::Value) -> Next) -> PipeBox<'a, Next> {
[INFO] [stdout]    |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/traits.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(self) -> Self::Value {
[INFO] [stdout]    |            ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: unsized fn params are gated as an unstable feature
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(self) -> Self::Value where Self: Sized {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(&self) -> Self::Value {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lazy-pipe` due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/traits.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn to<Next: 'a>(self, func: impl 'a + FnOnce(Self::Value) -> Next) -> PipeBox<'a, Next> {
[INFO] [stdout]    |                     ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: unsized fn params are gated as an unstable feature
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn to<Next: 'a>(self, func: impl 'a + FnOnce(Self::Value) -> Next) -> PipeBox<'a, Next> where Self: Sized {
[INFO] [stdout]    |                                                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn to<Next: 'a>(&self, func: impl 'a + FnOnce(Self::Value) -> Next) -> PipeBox<'a, Next> {
[INFO] [stdout]    |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/traits.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(self) -> Self::Value {
[INFO] [stdout]    |            ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: unsized fn params are gated as an unstable feature
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(self) -> Self::Value where Self: Sized {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get(&self) -> Self::Value {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "695c2e7b2edde6dd690f58c813a4d84b191b501fd29240aaa0518ac7e4503d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695c2e7b2edde6dd690f58c813a4d84b191b501fd29240aaa0518ac7e4503d17", kill_on_drop: false }`
[INFO] [stdout] 695c2e7b2edde6dd690f58c813a4d84b191b501fd29240aaa0518ac7e4503d17