[INFO] fetching crate bestagon 0.2.0...
[INFO] checking bestagon-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate bestagon 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bestagon 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bestagon 0.2.0
[INFO] finished tweaking crates.io crate bestagon 0.2.0
[INFO] tweaked toml for crates.io crate bestagon 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d93c65095bd5cad0a3800fa18e94f198e80e472067a8ff8dd220766a6f31232
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d93c65095bd5cad0a3800fa18e94f198e80e472067a8ff8dd220766a6f31232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d93c65095bd5cad0a3800fa18e94f198e80e472067a8ff8dd220766a6f31232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d93c65095bd5cad0a3800fa18e94f198e80e472067a8ff8dd220766a6f31232", kill_on_drop: false }`
[INFO] [stdout] 6d93c65095bd5cad0a3800fa18e94f198e80e472067a8ff8dd220766a6f31232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c3a1075554e1a4d9377bd860ba3f7f9c97a053de07c3f544c6674e7a8967d17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c3a1075554e1a4d9377bd860ba3f7f9c97a053de07c3f544c6674e7a8967d17", kill_on_drop: false }`
[INFO] [stderr]     Checking bestagon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.0 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.1 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.0 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.1 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bestagon`
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.0 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.1 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let x = (self.0 as f32).lerp(&(to.0 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.0 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lerp.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86269 <https://github.com/rust-lang/rust/issues/86269> for more information
[INFO] [stdout]    = help: add `#![feature(float_interpolation)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lerp.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let y = (self.1 as f32).lerp(&(to.1 as f32), t).round() as i8;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected `f32`, found `&f32`
[INFO] [stdout]    |                                  help: consider removing the borrow: `(to.1 as f32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8c3a1075554e1a4d9377bd860ba3f7f9c97a053de07c3f544c6674e7a8967d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3a1075554e1a4d9377bd860ba3f7f9c97a053de07c3f544c6674e7a8967d17", kill_on_drop: false }`
[INFO] [stdout] 8c3a1075554e1a4d9377bd860ba3f7f9c97a053de07c3f544c6674e7a8967d17