[INFO] cloning repository https://github.com/OchirErkhembayar/rustgrad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OchirErkhembayar/rustgrad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOchirErkhembayar%2Frustgrad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOchirErkhembayar%2Frustgrad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ab3feb257e0bdb0d0ad0e2bea48a2dec245633
[INFO] checking OchirErkhembayar/rustgrad against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOchirErkhembayar%2Frustgrad" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/OchirErkhembayar/rustgrad
[INFO] finished tweaking git repo https://github.com/OchirErkhembayar/rustgrad
[INFO] tweaked toml for git repo https://github.com/OchirErkhembayar/rustgrad written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OchirErkhembayar/rustgrad on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OchirErkhembayar/rustgrad 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ecd391cdbcb4d492236451118d8b87dd8bb48f8850a5d8e1ef6edb4e6915690
[INFO] running `Command { std: "docker" "start" "-a" "4ecd391cdbcb4d492236451118d8b87dd8bb48f8850a5d8e1ef6edb4e6915690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ecd391cdbcb4d492236451118d8b87dd8bb48f8850a5d8e1ef6edb4e6915690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecd391cdbcb4d492236451118d8b87dd8bb48f8850a5d8e1ef6edb4e6915690", kill_on_drop: false }`
[INFO] [stdout] 4ecd391cdbcb4d492236451118d8b87dd8bb48f8850a5d8e1ef6edb4e6915690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2fff0b36459edc7dff41bde6da344cd03d3ca6979c3513317001e73f23432ac
[INFO] running `Command { std: "docker" "start" "-a" "e2fff0b36459edc7dff41bde6da344cd03d3ca6979c3513317001e73f23432ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rustgrad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/engine.rs:331:20
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let c = &b - 2.0;
[INFO] [stdout]     |                    ^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: `f32` implements trait `From<T>`:
[INFO] [stdout]               From<&engine::Val>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<f16>
[INFO] [stdout]               From<i16>
[INFO] [stdout]               From<i8>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]               From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]     = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `engine::Val` to implement `From<f64>`
[INFO] [stdout]    --> src/engine.rs:73:9
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl<T> From<T> for Val
[INFO] [stdout]     |         ^^^^^^^     ^^^
[INFO] [stdout]  74 | where
[INFO] [stdout]  75 |     T: Into<f32>,
[INFO] [stdout]     |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `f64` to implement `Into<engine::Val>`
[INFO] [stdout] note: required for `&engine::Val` to implement `Sub<f64>`
[INFO] [stdout]    --> src/engine.rs:138:20
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl<T: Into<Val>> Sub<T> for &Val {
[INFO] [stdout]     |         ---------  ^^^^^^     ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/engine.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let c = &b - 2.0;
[INFO] [stdout]     |                 ^^^^^^^^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: `f32` implements trait `From<T>`:
[INFO] [stdout]               From<&engine::Val>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<f16>
[INFO] [stdout]               From<i16>
[INFO] [stdout]               From<i8>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]               From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]     = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `engine::Val` to implement `From<f64>`
[INFO] [stdout]    --> src/engine.rs:73:9
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl<T> From<T> for Val
[INFO] [stdout]     |         ^^^^^^^     ^^^
[INFO] [stdout]  74 | where
[INFO] [stdout]  75 |     T: Into<f32>,
[INFO] [stdout]     |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `f64` to implement `Into<engine::Val>`
[INFO] [stdout] note: required for `&engine::Val` to implement `Sub<f64>`
[INFO] [stdout]    --> src/engine.rs:138:20
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl<T: Into<Val>> Sub<T> for &Val {
[INFO] [stdout]     |         ---------  ^^^^^^     ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/engine.rs:349:40
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let mut d = &a * &b + (&b).pow(3.0);
[INFO] [stdout]     |                                        ^^^ help: explicitly specify the type as `f32`: `3.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/engine.rs:355:23
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let f = e.pow(2.0);
[INFO] [stdout]     |                       ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/engine.rs:356:24
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let mut g = &f / 2.0;
[INFO] [stdout]     |                        ^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: `f32` implements trait `From<T>`:
[INFO] [stdout]               From<&engine::Val>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<f16>
[INFO] [stdout]               From<i16>
[INFO] [stdout]               From<i8>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]               From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]     = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `engine::Val` to implement `From<f64>`
[INFO] [stdout]    --> src/engine.rs:73:9
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl<T> From<T> for Val
[INFO] [stdout]     |         ^^^^^^^     ^^^
[INFO] [stdout]  74 | where
[INFO] [stdout]  75 |     T: Into<f32>,
[INFO] [stdout]     |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `f64` to implement `Into<engine::Val>`
[INFO] [stdout] note: required for `&engine::Val` to implement `Div<f64>`
[INFO] [stdout]    --> src/engine.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl<T: Into<Val>> Div<T> for &Val {
[INFO] [stdout]     |         ---------  ^^^^^^     ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/engine.rs:356:21
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let mut g = &f / 2.0;
[INFO] [stdout]     |                     ^^^^^^^^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: `f32` implements trait `From<T>`:
[INFO] [stdout]               From<&engine::Val>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<f16>
[INFO] [stdout]               From<i16>
[INFO] [stdout]               From<i8>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]               From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]     = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `engine::Val` to implement `From<f64>`
[INFO] [stdout]    --> src/engine.rs:73:9
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl<T> From<T> for Val
[INFO] [stdout]     |         ^^^^^^^     ^^^
[INFO] [stdout]  74 | where
[INFO] [stdout]  75 |     T: Into<f32>,
[INFO] [stdout]     |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `f64` to implement `Into<engine::Val>`
[INFO] [stdout] note: required for `&engine::Val` to implement `Div<f64>`
[INFO] [stdout]    --> src/engine.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl<T: Into<Val>> Div<T> for &Val {
[INFO] [stdout]     |         ---------  ^^^^^^     ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/nn.rs:28:81
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let weights = Vec::from_iter((0..nin).map(|_| rng.gen_range(-1.0..=1.0).into()));
[INFO] [stdout]    |                                                                                 ^^^^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: `f32` implements trait `From<T>`:
[INFO] [stdout]              From<&engine::Val>
[INFO] [stdout]              From<bool>
[INFO] [stdout]              From<f16>
[INFO] [stdout]              From<i16>
[INFO] [stdout]              From<i8>
[INFO] [stdout]              From<u16>
[INFO] [stdout]              From<u8>
[INFO] [stdout]              From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]    = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `engine::Val` to implement `From<f64>`
[INFO] [stdout]   --> src/engine.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> From<T> for Val
[INFO] [stdout]    |         ^^^^^^^     ^^^
[INFO] [stdout] 74 | where
[INFO] [stdout] 75 |     T: Into<f32>,
[INFO] [stdout]    |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `f64` to implement `Into<engine::Val>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/nn.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 |             bias: rng.gen_range(-1.0..=1.0).into(),
[INFO] [stdout]    |                                             ^^^^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: `f32` implements trait `From<T>`:
[INFO] [stdout]              From<&engine::Val>
[INFO] [stdout]              From<bool>
[INFO] [stdout]              From<f16>
[INFO] [stdout]              From<i16>
[INFO] [stdout]              From<i8>
[INFO] [stdout]              From<u16>
[INFO] [stdout]              From<u8>
[INFO] [stdout]              From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]    = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `engine::Val` to implement `From<f64>`
[INFO] [stdout]   --> src/engine.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> From<T> for Val
[INFO] [stdout]    |         ^^^^^^^     ^^^
[INFO] [stdout] 74 | where
[INFO] [stdout] 75 |     T: Into<f32>,
[INFO] [stdout]    |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `f64` to implement `Into<engine::Val>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .map(|(pred, actual)| (pred - actual).pow(2.0))
[INFO] [stdout]    |                                                   ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/nn.rs:28:81
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let weights = Vec::from_iter((0..nin).map(|_| rng.gen_range(-1.0..=1.0).into()));
[INFO] [stdout]    |                                                                                 ^^^^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: `f32` implements trait `From<T>`:
[INFO] [stdout]              From<&Val>
[INFO] [stdout]              From<bool>
[INFO] [stdout]              From<f16>
[INFO] [stdout]              From<i16>
[INFO] [stdout]              From<i8>
[INFO] [stdout]              From<u16>
[INFO] [stdout]              From<u8>
[INFO] [stdout]              From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]    = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `Val` to implement `From<f64>`
[INFO] [stdout]   --> src/engine.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> From<T> for Val
[INFO] [stdout]    |         ^^^^^^^     ^^^
[INFO] [stdout] 74 | where
[INFO] [stdout] 75 |     T: Into<f32>,
[INFO] [stdout]    |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `f64` to implement `Into<Val>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/nn.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 |             bias: rng.gen_range(-1.0..=1.0).into(),
[INFO] [stdout]    |                                             ^^^^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: `f32` implements trait `From<T>`:
[INFO] [stdout]              From<&Val>
[INFO] [stdout]              From<bool>
[INFO] [stdout]              From<f16>
[INFO] [stdout]              From<i16>
[INFO] [stdout]              From<i8>
[INFO] [stdout]              From<u16>
[INFO] [stdout]              From<u8>
[INFO] [stdout]              From<zerocopy::byteorder::F32<O>>
[INFO] [stdout]    = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required for `Val` to implement `From<f64>`
[INFO] [stdout]   --> src/engine.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> From<T> for Val
[INFO] [stdout]    |         ^^^^^^^     ^^^
[INFO] [stdout] 74 | where
[INFO] [stdout] 75 |     T: Into<f32>,
[INFO] [stdout]    |        --------- unsatisfied trait bound introduced here
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `f64` to implement `Into<Val>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .map(|(pred, actual)| (pred - actual).pow(2.0))
[INFO] [stdout]    |                                                   ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustgrad` (lib test) due to 6 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustgrad` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e2fff0b36459edc7dff41bde6da344cd03d3ca6979c3513317001e73f23432ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fff0b36459edc7dff41bde6da344cd03d3ca6979c3513317001e73f23432ac", kill_on_drop: false }`
[INFO] [stdout] e2fff0b36459edc7dff41bde6da344cd03d3ca6979c3513317001e73f23432ac
