[INFO] cloning repository https://github.com/alamminsalo/fft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alamminsalo/fft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falamminsalo%2Ffft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falamminsalo%2Ffft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b368044f0643f7b733f93e7f795f1be786b48b8f
[INFO] testing alamminsalo/fft against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falamminsalo%2Ffft" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alamminsalo/fft on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alamminsalo/fft
[INFO] finished tweaking git repo https://github.com/alamminsalo/fft
[INFO] tweaked toml for git repo https://github.com/alamminsalo/fft written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/alamminsalo/fft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb8010e4e860066c30941fa3cf6e4a22f752788a77b01d1386c4f8559cd7a609
[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" "fb8010e4e860066c30941fa3cf6e4a22f752788a77b01d1386c4f8559cd7a609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb8010e4e860066c30941fa3cf6e4a22f752788a77b01d1386c4f8559cd7a609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8010e4e860066c30941fa3cf6e4a22f752788a77b01d1386c4f8559cd7a609", kill_on_drop: false }`
[INFO] [stdout] fb8010e4e860066c30941fa3cf6e4a22f752788a77b01d1386c4f8559cd7a609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67b93973cc412fad24a9aa878672071bd543d4417be61e5ef4102d53b758ee5
[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" "b67b93973cc412fad24a9aa878672071bd543d4417be61e5ef4102d53b758ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling svg v0.5.11
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling tui v0.2.3
[INFO] [stderr]    Compiling plotlib v0.3.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling fft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `analysis`
[INFO] [stdout]    --> src/main.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let analysis = fft::analyze(&sample, ft_min, ft_max, ft_ss);
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analysis`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.39s
[INFO] running `Command { std: "docker" "inspect" "b67b93973cc412fad24a9aa878672071bd543d4417be61e5ef4102d53b758ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67b93973cc412fad24a9aa878672071bd543d4417be61e5ef4102d53b758ee5", kill_on_drop: false }`
[INFO] [stdout] b67b93973cc412fad24a9aa878672071bd543d4417be61e5ef4102d53b758ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", 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] e7f32ba5f1d653cba96ecc383e3bee311d26da3485e9c364ae54e687b2aac528
[INFO] running `Command { std: "docker" "start" "-a" "e7f32ba5f1d653cba96ecc383e3bee311d26da3485e9c364ae54e687b2aac528", kill_on_drop: false }`
[INFO] [stderr]    Compiling fft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `analysis`
[INFO] [stdout]    --> src/main.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let analysis = fft::analyze(&sample, ft_min, ft_max, ft_ss);
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analysis`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:158:35
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let circle = graph_circle(&sine, 5.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let circle = graph_circle(&sine, 5.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:171:35
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let circle = graph_circle(&sine, 10.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:180:35
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let circle = graph_circle(&sine, 5.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:191:35
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let circle = graph_circle(&sine, 5.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:197:35
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let circle = graph_circle(&sine, 60.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:205:35
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let circle = graph_circle(&sine, 5.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:212:35
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let circle = graph_circle(&sine, 60.0);
[INFO] [stdout]     |                                   ^^^^^ expected slice, found struct `Sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[(f32, f32)]`
[INFO] [stdout]                found reference `&Sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fft`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e7f32ba5f1d653cba96ecc383e3bee311d26da3485e9c364ae54e687b2aac528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f32ba5f1d653cba96ecc383e3bee311d26da3485e9c364ae54e687b2aac528", kill_on_drop: false }`
[INFO] [stdout] e7f32ba5f1d653cba96ecc383e3bee311d26da3485e9c364ae54e687b2aac528
