[INFO] fetching crate lininterp 0.1.3...
[INFO] testing lininterp-0.1.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate lininterp 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lininterp 0.1.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edb21c304985e9f84aecb6ce0c9bb20b2fb8a355412b706696c94b8100aa3345
[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" "edb21c304985e9f84aecb6ce0c9bb20b2fb8a355412b706696c94b8100aa3345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb21c304985e9f84aecb6ce0c9bb20b2fb8a355412b706696c94b8100aa3345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb21c304985e9f84aecb6ce0c9bb20b2fb8a355412b706696c94b8100aa3345", kill_on_drop: false }`
[INFO] [stdout] edb21c304985e9f84aecb6ce0c9bb20b2fb8a355412b706696c94b8100aa3345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ff32a869ec33e45a1f79c72aef93125b1b359c6bc3c60cd8ae960ca90e059e9
[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" "4ff32a869ec33e45a1f79c72aef93125b1b359c6bc3c60cd8ae960ca90e059e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lininterp v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "4ff32a869ec33e45a1f79c72aef93125b1b359c6bc3c60cd8ae960ca90e059e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff32a869ec33e45a1f79c72aef93125b1b359c6bc3c60cd8ae960ca90e059e9", kill_on_drop: false }`
[INFO] [stdout] 4ff32a869ec33e45a1f79c72aef93125b1b359c6bc3c60cd8ae960ca90e059e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792efd768213a83ac2757bf8f6c91443616b9e8a7583fb84bb8a62eaa7690c2e
[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" "792efd768213a83ac2757bf8f6c91443616b9e8a7583fb84bb8a62eaa7690c2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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] running `Command { std: "docker" "inspect" "792efd768213a83ac2757bf8f6c91443616b9e8a7583fb84bb8a62eaa7690c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792efd768213a83ac2757bf8f6c91443616b9e8a7583fb84bb8a62eaa7690c2e", kill_on_drop: false }`
[INFO] [stdout] 792efd768213a83ac2757bf8f6c91443616b9e8a7583fb84bb8a62eaa7690c2e