[INFO] fetching crate ema 0.1.1...
[INFO] testing ema-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ema 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ema 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ema 0.1.1
[INFO] finished tweaking crates.io crate ema 0.1.1
[INFO] tweaked toml for crates.io crate ema 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 728615f589790b2ccc878cd23c5d11b48239580fb089c1bb4ff69fcc32490f1c
[INFO] running `Command { std: "docker" "start" "-a" "728615f589790b2ccc878cd23c5d11b48239580fb089c1bb4ff69fcc32490f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "728615f589790b2ccc878cd23c5d11b48239580fb089c1bb4ff69fcc32490f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728615f589790b2ccc878cd23c5d11b48239580fb089c1bb4ff69fcc32490f1c", kill_on_drop: false }`
[INFO] [stdout] 728615f589790b2ccc878cd23c5d11b48239580fb089c1bb4ff69fcc32490f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a3f44845b7bb4d113b822b5052804f75af5d8e940d06ab7844604c22444eaf
[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" "e3a3f44845b7bb4d113b822b5052804f75af5d8e940d06ab7844604c22444eaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v2.7.0
[INFO] [stderr]    Compiling ema v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e3a3f44845b7bb4d113b822b5052804f75af5d8e940d06ab7844604c22444eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a3f44845b7bb4d113b822b5052804f75af5d8e940d06ab7844604c22444eaf", kill_on_drop: false }`
[INFO] [stdout] e3a3f44845b7bb4d113b822b5052804f75af5d8e940d06ab7844604c22444eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 280177ecb81541186f72c0a277a2f7aa63128ce7ef0f4551bcceb1ec6c03b792
[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" "280177ecb81541186f72c0a277a2f7aa63128ce7ef0f4551bcceb1ec6c03b792", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling ema v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `bf16: num_traits::Float` is not satisfied
[INFO] [stdout]    --> src/lib.rs:358:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |   fn test_ema<F: Float + num_traits::FromPrimitive + core::fmt::Debug>(iters: u32, mean_epsilon: F, variance_epsilon: F) {
[INFO] [stdout]     |                  ----- required by this bound in `test_ema`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     test_ema::<bf16>(250, bf16::from_f32(1e-7), bf16::from_f32(0.25));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ the trait `num_traits::Float` is not implemented for `bf16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `default` exists for struct `Ema<bf16>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:359:32
[INFO] [stdout]     |
[INFO] [stdout] 21  | / pub struct Ema<F>
[INFO] [stdout] 22  | | where
[INFO] [stdout] 23  | |   F: Float,
[INFO] [stdout] 24  | | {
[INFO] [stdout] 25  | |   mean: NotNan<F>,
[INFO] [stdout] 26  | |   variance: NotNan<F>,
[INFO] [stdout] 27  | | }
[INFO] [stdout]     | | -
[INFO] [stdout]     | | |
[INFO] [stdout]     | |_function or associated item `default` not found for this
[INFO] [stdout]     |   doesn't satisfy `Ema<bf16>: Default`
[INFO] [stdout] ...
[INFO] [stdout] 359 |       let mut ema = Ema::<bf16>::default();
[INFO] [stdout]     |                                  ^^^^^^^ function or associated item cannot be called on `Ema<bf16>` due to unsatisfied trait bounds
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/half-1.7.1/src/bfloat.rs:37:1
[INFO] [stdout]     |
[INFO] [stdout] 37  |   pub struct bf16(u16);
[INFO] [stdout]     |   --------------------- doesn't satisfy `bf16: num_traits::Float`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `bf16: num_traits::Float`
[INFO] [stdout]             which is required by `Ema<bf16>: Default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `bf16: num_traits::Float` is not satisfied
[INFO] [stdout]    --> src/lib.rs:359:19
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Ema<F>
[INFO] [stdout]     |            --- required by a bound in this
[INFO] [stdout] 22  | where
[INFO] [stdout] 23  |   F: Float,
[INFO] [stdout]     |      ----- required by this bound in `Ema`
[INFO] [stdout] ...
[INFO] [stdout] 359 |     let mut ema = Ema::<bf16>::default();
[INFO] [stdout]     |                   ^^^^^^^^^^^ the trait `num_traits::Float` is not implemented for `bf16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f16: num_traits::Float` is not satisfied
[INFO] [stdout]    --> src/lib.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |   fn test_ema<F: Float + num_traits::FromPrimitive + core::fmt::Debug>(iters: u32, mean_epsilon: F, variance_epsilon: F) {
[INFO] [stdout]     |                  ----- required by this bound in `test_ema`
[INFO] [stdout] ...
[INFO] [stdout] 361 |     test_ema::<f16>(500, f16::from_f32(1e-7), f16::from_f32(0.125));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ the trait `num_traits::Float` is not implemented for `f16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `default` exists for struct `Ema<f16>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:362:31
[INFO] [stdout]     |
[INFO] [stdout] 21  | / pub struct Ema<F>
[INFO] [stdout] 22  | | where
[INFO] [stdout] 23  | |   F: Float,
[INFO] [stdout] 24  | | {
[INFO] [stdout] 25  | |   mean: NotNan<F>,
[INFO] [stdout] 26  | |   variance: NotNan<F>,
[INFO] [stdout] 27  | | }
[INFO] [stdout]     | | -
[INFO] [stdout]     | | |
[INFO] [stdout]     | |_function or associated item `default` not found for this
[INFO] [stdout]     |   doesn't satisfy `Ema<f16>: Default`
[INFO] [stdout] ...
[INFO] [stdout] 362 |       let mut ema = Ema::<f16>::default();
[INFO] [stdout]     |                                 ^^^^^^^ function or associated item cannot be called on `Ema<f16>` due to unsatisfied trait bounds
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/half-1.7.1/src/binary16.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  |   pub struct f16(u16);
[INFO] [stdout]     |   -------------------- doesn't satisfy `f16: num_traits::Float`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `f16: num_traits::Float`
[INFO] [stdout]             which is required by `Ema<f16>: Default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `f16: num_traits::Float` is not satisfied
[INFO] [stdout]    --> src/lib.rs:362:19
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Ema<F>
[INFO] [stdout]     |            --- required by a bound in this
[INFO] [stdout] 22  | where
[INFO] [stdout] 23  |   F: Float,
[INFO] [stdout]     |      ----- required by this bound in `Ema`
[INFO] [stdout] ...
[INFO] [stdout] 362 |     let mut ema = Ema::<f16>::default();
[INFO] [stdout]     |                   ^^^^^^^^^^ the trait `num_traits::Float` is not implemented for `f16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ema`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "280177ecb81541186f72c0a277a2f7aa63128ce7ef0f4551bcceb1ec6c03b792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280177ecb81541186f72c0a277a2f7aa63128ce7ef0f4551bcceb1ec6c03b792", kill_on_drop: false }`
[INFO] [stdout] 280177ecb81541186f72c0a277a2f7aa63128ce7ef0f4551bcceb1ec6c03b792
