[INFO] fetching crate lininterp 0.1.3...
[INFO] checking lininterp-0.1.3 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate lininterp 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lininterp 0.1.3 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lininterp 0.1.3
[INFO] finished tweaking crates.io crate lininterp 0.1.3
[INFO] tweaked toml for crates.io crate lininterp 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f31f1afefd8a4387283373df8a23b5afca962d0ef339b36409c3413b4c31496
[INFO] running `Command { std: "docker" "start" "-a" "7f31f1afefd8a4387283373df8a23b5afca962d0ef339b36409c3413b4c31496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f31f1afefd8a4387283373df8a23b5afca962d0ef339b36409c3413b4c31496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f31f1afefd8a4387283373df8a23b5afca962d0ef339b36409c3413b4c31496", kill_on_drop: false }`
[INFO] [stdout] 7f31f1afefd8a4387283373df8a23b5afca962d0ef339b36409c3413b4c31496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbabaad6e5aa75b164e86fdc15f11ca2cc9e138a16e4a9df3e58c5e7b9fa6954
[INFO] running `Command { std: "docker" "start" "-a" "fbabaad6e5aa75b164e86fdc15f11ca2cc9e138a16e4a9df3e58c5e7b9fa6954", kill_on_drop: false }`
[INFO] [stderr]     Checking lininterp v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'float_interpolation'
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let z1=a.lerp(&b,f0);
[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/lib.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let z1=a.lerp(&b,f0);
[INFO] [stdout]    |                       ^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       expected `f32`, found `&f32`
[INFO] [stdout]    |                       help: consider removing the borrow: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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: could not compile `lininterp` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fbabaad6e5aa75b164e86fdc15f11ca2cc9e138a16e4a9df3e58c5e7b9fa6954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbabaad6e5aa75b164e86fdc15f11ca2cc9e138a16e4a9df3e58c5e7b9fa6954", kill_on_drop: false }`
[INFO] [stdout] fbabaad6e5aa75b164e86fdc15f11ca2cc9e138a16e4a9df3e58c5e7b9fa6954