[INFO] cloning repository https://github.com/Lolirofle/simple_keyboard_instrument
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lolirofle/simple_keyboard_instrument" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLolirofle%2Fsimple_keyboard_instrument", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLolirofle%2Fsimple_keyboard_instrument'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 780dbcc320985eb776e39f469b3e36336bdd6790
[INFO] checking Lolirofle/simple_keyboard_instrument against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLolirofle%2Fsimple_keyboard_instrument" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lolirofle/simple_keyboard_instrument
[INFO] finished tweaking git repo https://github.com/Lolirofle/simple_keyboard_instrument
[INFO] tweaked toml for git repo https://github.com/Lolirofle/simple_keyboard_instrument written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lolirofle/simple_keyboard_instrument on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lolirofle/simple_keyboard_instrument 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking Lolirofle/simple_keyboard_instrument against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLolirofle%2Fsimple_keyboard_instrument" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lolirofle/simple_keyboard_instrument
[INFO] finished tweaking git repo https://github.com/Lolirofle/simple_keyboard_instrument
[INFO] tweaked toml for git repo https://github.com/Lolirofle/simple_keyboard_instrument written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lolirofle/simple_keyboard_instrument on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lolirofle/simple_keyboard_instrument 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-sys v0.21.11
[INFO] [stderr]   Downloaded proc-macro2 v0.4.26
[INFO] [stderr]   Downloaded ordered-float v1.0.1
[INFO] [stderr]   Downloaded wayland-commons v0.21.11
[INFO] [stderr]   Downloaded winit v0.18.1
[INFO] [stderr]   Downloaded walkdir v2.2.7
[INFO] [stderr]   Downloaded core-foundation v0.6.3
[INFO] [stderr]   Downloaded rand_os v0.1.1
[INFO] [stderr]   Downloaded approx v0.3.1
[INFO] [stderr]   Downloaded nix v0.12.0
[INFO] [stderr]   Downloaded andrew v0.1.6
[INFO] [stderr]   Downloaded wayland-protocols v0.21.11
[INFO] [stderr]   Downloaded wayland-client v0.21.11
[INFO] [stderr]   Downloaded objc v0.2.5
[INFO] [stderr]   Downloaded wayland-scanner v0.21.11
[INFO] [stderr]   Downloaded cc v1.0.28
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.4
[INFO] [stderr]   Downloaded rand_jitter v0.1.0
[INFO] [stderr]   Downloaded rusttype v0.7.3
[INFO] [stderr]   Downloaded stb_truetype v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a001283b6da8a5862e654da06d3df8c3aa4b6864274bb5b0ce43ba6c99e78327
[INFO] running `Command { std: "docker" "start" "-a" "a001283b6da8a5862e654da06d3df8c3aa4b6864274bb5b0ce43ba6c99e78327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a001283b6da8a5862e654da06d3df8c3aa4b6864274bb5b0ce43ba6c99e78327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a001283b6da8a5862e654da06d3df8c3aa4b6864274bb5b0ce43ba6c99e78327", kill_on_drop: false }`
[INFO] [stdout] a001283b6da8a5862e654da06d3df8c3aa4b6864274bb5b0ce43ba6c99e78327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f588e7e151572ba7a5ce8cd379d3fa22892e095c8e49329e8f738f62ab9013df
[INFO] running `Command { std: "docker" "start" "-a" "f588e7e151572ba7a5ce8cd379d3fa22892e095c8e49329e8f738f62ab9013df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking andrew v0.1.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking wayland-commons v0.21.11
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking keyboard_piano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:126:35
[INFO] [stdout]     |
[INFO] [stdout] 126 |         mappings.insert(2 ,1760.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:126:35
[INFO] [stdout]     |
[INFO] [stdout] 126 |         mappings.insert(2 ,1760.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:127:35
[INFO] [stdout]     |
[INFO] [stdout] 127 |         mappings.insert(3 ,1760.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:127:35
[INFO] [stdout]     |
[INFO] [stdout] 127 |         mappings.insert(3 ,1760.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 128 |         mappings.insert(4 ,1760.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:129:35
[INFO] [stdout]     |
[INFO] [stdout] 129 |         mappings.insert(5 ,1760.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 128 |         mappings.insert(4 ,1760.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:130:35
[INFO] [stdout]     |
[INFO] [stdout] 130 |         mappings.insert(6 ,1760.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:129:35
[INFO] [stdout]     |
[INFO] [stdout] 129 |         mappings.insert(5 ,1760.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:131:35
[INFO] [stdout]     |
[INFO] [stdout] 131 |         mappings.insert(7 ,1760.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:130:35
[INFO] [stdout]     |
[INFO] [stdout] 130 |         mappings.insert(6 ,1760.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |         mappings.insert(8 ,1760.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:133:35
[INFO] [stdout]     |
[INFO] [stdout] 133 |         mappings.insert(9 ,1760.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:134:35
[INFO] [stdout]     |
[INFO] [stdout] 134 |         mappings.insert(10,1760.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:131:35
[INFO] [stdout]     |
[INFO] [stdout] 131 |         mappings.insert(7 ,1760.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:135:35
[INFO] [stdout]     |
[INFO] [stdout] 135 |         mappings.insert(11,1760.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |         mappings.insert(8 ,1760.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:136:35
[INFO] [stdout]     |
[INFO] [stdout] 136 |         mappings.insert(12,1760.0 * (2.0: f64).powf(11.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:133:35
[INFO] [stdout]     |
[INFO] [stdout] 133 |         mappings.insert(9 ,1760.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:139:34
[INFO] [stdout]     |
[INFO] [stdout] 139 |         mappings.insert(17,880.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:134:35
[INFO] [stdout]     |
[INFO] [stdout] 134 |         mappings.insert(10,1760.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:135:35
[INFO] [stdout]     |
[INFO] [stdout] 135 |         mappings.insert(11,1760.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:140:34
[INFO] [stdout]     |
[INFO] [stdout] 140 |         mappings.insert(18,880.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:141:34
[INFO] [stdout]     |
[INFO] [stdout] 141 |         mappings.insert(19,880.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:136:35
[INFO] [stdout]     |
[INFO] [stdout] 136 |         mappings.insert(12,1760.0 * (2.0: f64).powf(11.0/12.0));
[INFO] [stdout]     |                                         ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:142:34
[INFO] [stdout]     |
[INFO] [stdout] 142 |         mappings.insert(20,880.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:139:34
[INFO] [stdout]     |
[INFO] [stdout] 139 |         mappings.insert(17,880.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:140:34
[INFO] [stdout]     |
[INFO] [stdout] 140 |         mappings.insert(18,880.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |         mappings.insert(21,880.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:141:34
[INFO] [stdout]     |
[INFO] [stdout] 141 |         mappings.insert(19,880.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:144:34
[INFO] [stdout]     |
[INFO] [stdout] 144 |         mappings.insert(22,880.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |         mappings.insert(23,880.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:142:34
[INFO] [stdout]     |
[INFO] [stdout] 142 |         mappings.insert(20,880.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:146:34
[INFO] [stdout]     |
[INFO] [stdout] 146 |         mappings.insert(24,880.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |         mappings.insert(21,880.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:144:34
[INFO] [stdout]     |
[INFO] [stdout] 144 |         mappings.insert(22,880.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:147:34
[INFO] [stdout]     |
[INFO] [stdout] 147 |         mappings.insert(25,880.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:148:34
[INFO] [stdout]     |
[INFO] [stdout] 148 |         mappings.insert(26,880.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |         mappings.insert(23,880.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:151:34
[INFO] [stdout]     |
[INFO] [stdout] 151 |         mappings.insert(31,440.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:146:34
[INFO] [stdout]     |
[INFO] [stdout] 146 |         mappings.insert(24,880.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |         mappings.insert(32,440.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |         mappings.insert(33,440.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:147:34
[INFO] [stdout]     |
[INFO] [stdout] 147 |         mappings.insert(25,880.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:148:34
[INFO] [stdout]     |
[INFO] [stdout] 148 |         mappings.insert(26,880.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |         mappings.insert(34,440.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:151:34
[INFO] [stdout]     |
[INFO] [stdout] 151 |         mappings.insert(31,440.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |         mappings.insert(32,440.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |         mappings.insert(35,440.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |         mappings.insert(36,440.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:157:34
[INFO] [stdout]     |
[INFO] [stdout] 157 |         mappings.insert(37,440.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:158:34
[INFO] [stdout]     |
[INFO] [stdout] 158 |         mappings.insert(38,440.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |         mappings.insert(39,440.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |         mappings.insert(33,440.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |         mappings.insert(40,440.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |         mappings.insert(34,440.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 |         mappings.insert(43,440.0 * (2.0: f64).powf(11.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |         mappings.insert(35,440.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |         mappings.insert(44,220.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 |         mappings.insert(45,220.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |         mappings.insert(36,440.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 |         mappings.insert(46,220.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:167:34
[INFO] [stdout]     |
[INFO] [stdout] 167 |         mappings.insert(47,220.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:157:34
[INFO] [stdout]     |
[INFO] [stdout] 157 |         mappings.insert(37,440.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 |         mappings.insert(48,220.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:158:34
[INFO] [stdout]     |
[INFO] [stdout] 158 |         mappings.insert(38,440.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:159:34
[INFO] [stdout]     |
[INFO] [stdout] 159 |         mappings.insert(39,440.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |         mappings.insert(49,220.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |         mappings.insert(40,440.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |         mappings.insert(50,220.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 |         mappings.insert(43,440.0 * (2.0: f64).powf(11.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |         mappings.insert(51,220.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |         mappings.insert(44,220.0 * (2.0: f64).powf(1.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:172:34
[INFO] [stdout]     |
[INFO] [stdout] 172 |         mappings.insert(52,220.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:165:34
[INFO] [stdout]     |
[INFO] [stdout] 165 |         mappings.insert(45,220.0 * (2.0: f64).powf(2.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:173:34
[INFO] [stdout]     |
[INFO] [stdout] 173 |         mappings.insert(53,220.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 |         mappings.insert(46,220.0 * (2.0: f64).powf(3.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:167:34
[INFO] [stdout]     |
[INFO] [stdout] 167 |         mappings.insert(47,220.0 * (2.0: f64).powf(4.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 |         mappings.insert(48,220.0 * (2.0: f64).powf(5.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |         mappings.insert(49,220.0 * (2.0: f64).powf(6.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |         mappings.insert(50,220.0 * (2.0: f64).powf(7.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |         mappings.insert(51,220.0 * (2.0: f64).powf(8.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:172:34
[INFO] [stdout]     |
[INFO] [stdout] 172 |         mappings.insert(52,220.0 * (2.0: f64).powf(9.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:173:34
[INFO] [stdout]     |
[INFO] [stdout] 173 |         mappings.insert(53,220.0 * (2.0: f64).powf(10.0/12.0));
[INFO] [stdout]     |                                        ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/main.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap,HashSet};
[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: `HashSet`
[INFO] [stdout]  --> src/main.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap,HashSet};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `F64` found for enum `UnknownTypeOutputBuffer<'a>` in the current scope
[INFO] [stdout]    --> src/main.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         cpal::UnknownTypeOutputBuffer::F64(mut buffer) => {
[INFO] [stdout]     |                                                        ^^^ variant or associated item not found in `UnknownTypeOutputBuffer<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `F64` found for enum `UnknownTypeOutputBuffer<'a>` in the current scope
[INFO] [stdout]    --> src/main.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         cpal::UnknownTypeOutputBuffer::F64(mut buffer) => {
[INFO] [stdout]     |                                                        ^^^ variant or associated item not found in `UnknownTypeOutputBuffer<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |                                 for out in sample.iter_mut(){
[INFO] [stdout]     |                                            ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |                                 for out in sample.iter_mut(){
[INFO] [stdout]     |                                            ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keyboard_piano` (bin "keyboard_piano") due to 44 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `keyboard_piano` (bin "keyboard_piano" test) due to 44 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f588e7e151572ba7a5ce8cd379d3fa22892e095c8e49329e8f738f62ab9013df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f588e7e151572ba7a5ce8cd379d3fa22892e095c8e49329e8f738f62ab9013df", kill_on_drop: false }`
[INFO] [stdout] f588e7e151572ba7a5ce8cd379d3fa22892e095c8e49329e8f738f62ab9013df