[INFO] cloning repository https://github.com/alexey-detr/fft-codecs-research
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexey-detr/fft-codecs-research" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexey-detr%2Ffft-codecs-research", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexey-detr%2Ffft-codecs-research'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c2795440c9813e4bed6bef3402092fffd5cb4ae
[INFO] checking alexey-detr/fft-codecs-research against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexey-detr%2Ffft-codecs-research" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexey-detr/fft-codecs-research on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexey-detr/fft-codecs-research
[INFO] finished tweaking git repo https://github.com/alexey-detr/fft-codecs-research
[INFO] tweaked toml for git repo https://github.com/alexey-detr/fft-codecs-research written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/alexey-detr/fft-codecs-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a214250f14d5e83ca71ebc63f42cf35014aedf0e5476b0d32b8fd7d8b19377a
[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" "4a214250f14d5e83ca71ebc63f42cf35014aedf0e5476b0d32b8fd7d8b19377a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a214250f14d5e83ca71ebc63f42cf35014aedf0e5476b0d32b8fd7d8b19377a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a214250f14d5e83ca71ebc63f42cf35014aedf0e5476b0d32b8fd7d8b19377a", kill_on_drop: false }`
[INFO] [stdout] 4a214250f14d5e83ca71ebc63f42cf35014aedf0e5476b0d32b8fd7d8b19377a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a890b1841b7b82f8e03c40d89f45ab0a8b74d54c29d60c5ec946e3ced94c48
[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" "f6a890b1841b7b82f8e03c40d89f45ab0a8b74d54c29d60c5ec946e3ced94c48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking rustfft v0.0.3
[INFO] [stdout] error[E0277]: the trait bound `&{float}: Float` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfft-0.0.3/src/lib.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |                       .map(|phase| Complex::from_polar(&1., &phase))
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^ the trait `Float` is not implemented for `&{float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <f32 as Float>
[INFO] [stdout]              <f64 as Float>
[INFO] [stdout]    = note: required by `Complex::<T>::from_polar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<Complex<f32>>` cannot be built from an iterator over elements of type `Complex<&f32>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfft-0.0.3/src/lib.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |                       .collect(),
[INFO] [stdout]    |                        ^^^^^^^ value of type `Vec<Complex<f32>>` cannot be built from `std::iter::Iterator<Item=Complex<&f32>>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<Complex<&f32>>` is not implemented for `Vec<Complex<f32>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfft-0.0.3/src/lib.rs:111:61
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let twiddle: Complex<f32> = Complex::from_polar(&1f32, &angle);
[INFO] [stdout]     |                                                             ^^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             expected `f32`, found `&f32`
[INFO] [stdout]     |                                                             help: consider removing the borrow: `1f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfft-0.0.3/src/lib.rs:111:68
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let twiddle: Complex<f32> = Complex::from_polar(&1f32, &angle);
[INFO] [stdout]     |                                                                    ^^^^^^
[INFO] [stdout]     |                                                                    |
[INFO] [stdout]     |                                                                    expected `f32`, found `&f32`
[INFO] [stdout]     |                                                                    help: consider removing the borrow: `angle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustfft`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f6a890b1841b7b82f8e03c40d89f45ab0a8b74d54c29d60c5ec946e3ced94c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a890b1841b7b82f8e03c40d89f45ab0a8b74d54c29d60c5ec946e3ced94c48", kill_on_drop: false }`
[INFO] [stdout] f6a890b1841b7b82f8e03c40d89f45ab0a8b74d54c29d60c5ec946e3ced94c48
