[INFO] fetching crate lininterp 0.1.3...
[INFO] checking lininterp-0.1.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate lininterp 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lininterp 0.1.3 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0250b48dac2187f168ab8fff8d9b35a5cf8c85ff8759e3ad707471573f2c551a
[INFO] running `Command { std: "docker" "start" "-a" "0250b48dac2187f168ab8fff8d9b35a5cf8c85ff8759e3ad707471573f2c551a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0250b48dac2187f168ab8fff8d9b35a5cf8c85ff8759e3ad707471573f2c551a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0250b48dac2187f168ab8fff8d9b35a5cf8c85ff8759e3ad707471573f2c551a", kill_on_drop: false }`
[INFO] [stdout] 0250b48dac2187f168ab8fff8d9b35a5cf8c85ff8759e3ad707471573f2c551a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76abaf39c54761949842a5527d4a0f16b909af7ce8ab75c0c41eaf6ef2ad1e88
[INFO] running `Command { std: "docker" "start" "-a" "76abaf39c54761949842a5527d4a0f16b909af7ce8ab75c0c41eaf6ef2ad1e88", 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]    |                       ^^ expected `f32`, found `&f32`
[INFO] [stdout]    |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 12 -         let z1=a.lerp(&b,f0);
[INFO] [stdout] 12 +         let z1=a.lerp(b,f0);
[INFO] [stdout]    | 
[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" "76abaf39c54761949842a5527d4a0f16b909af7ce8ab75c0c41eaf6ef2ad1e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76abaf39c54761949842a5527d4a0f16b909af7ce8ab75c0c41eaf6ef2ad1e88", kill_on_drop: false }`
[INFO] [stdout] 76abaf39c54761949842a5527d4a0f16b909af7ce8ab75c0c41eaf6ef2ad1e88