[INFO] fetching crate velvetry 0.1.0...
[INFO] testing velvetry-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate velvetry 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate velvetry 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate velvetry 0.1.0
[INFO] tweaked toml for crates.io crate velvetry 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate velvetry 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate velvetry 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b
[INFO] running `Command { std: "docker" "start" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling velvetry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling velvetry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::operators::*`
[INFO] [stdout]    --> src/lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |     use crate::operators::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::defuzzification::*`
[INFO] [stdout]    --> src/lib.rs:513:9
[INFO] [stdout]     |
[INFO] [stdout] 513 |     use crate::defuzzification::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `T`
[INFO] [stdout]    --> examples/temperature_control.rs:9:9
[INFO] [stdout]     |
[INFO] [stdout]   9 |     let mut temperature = LinguisticVariable::new("temperature", (0.0, 100.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^   ------------------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type must implement `fuzzy_control::Float`
[INFO] [stdout] note: required by a bound in `fuzzy_control::LinguisticVariable`
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct LinguisticVariable<D: Float, M: Float> {
[INFO] [stdout]     |                                            ^^^^^ required by this bound in `LinguisticVariable`
[INFO] [stdout] help: consider giving `temperature` an explicit type, where the type for type parameter `M` is specified
[INFO] [stdout]     |
[INFO] [stdout]   9 |     let mut temperature: T = LinguisticVariable::new("temperature", (0.0, 100.0));
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `T`
[INFO] [stdout]    --> examples/hvac_system.rs:9:9
[INFO] [stdout]     |
[INFO] [stdout]   9 |     let mut temp = LinguisticVariable::new("temperature", (0.0, 40.0));
[INFO] [stdout]     |         ^^^^^^^^   ------------------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type must implement `fuzzy_control::Float`
[INFO] [stdout] note: required by a bound in `fuzzy_control::LinguisticVariable`
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct LinguisticVariable<D: Float, M: Float> {
[INFO] [stdout]     |                                            ^^^^^ required by this bound in `LinguisticVariable`
[INFO] [stdout] help: consider giving `temp` an explicit type, where the type for type parameter `M` is specified
[INFO] [stdout]     |
[INFO] [stdout]   9 |     let mut temp: T = LinguisticVariable::new("temperature", (0.0, 40.0));
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `velvetry` (example "temperature_control") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `velvetry` (example "hvac_system") due to 1 previous error
[INFO] [stdout] error[E0283]: type annotations needed for `T`
[INFO] [stdout]    --> src/lib.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 |         let mut temp = LinguisticVariable::new("temperature", (0.0, 100.0));
[INFO] [stdout]     |             ^^^^^^^^   ------------------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type must implement `Float`
[INFO] [stdout] note: required by a bound in `LinguisticVariable`
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct LinguisticVariable<D: Float, M: Float> {
[INFO] [stdout]     |                                            ^^^^^ required by this bound in `LinguisticVariable`
[INFO] [stdout] help: consider giving `temp` an explicit type, where the type for type parameter `M` is specified
[INFO] [stdout]     |
[INFO] [stdout] 549 |         let mut temp: T = LinguisticVariable::new("temperature", (0.0, 100.0));
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `velvetry` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b", kill_on_drop: false }`
[INFO] [stdout] 8377721f8802980c25aadbecf9f79514506d4f484d8f09ccfed867804bfde70b
