[INFO] updating cached repository Nyrox/mod-synth
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nyrox/mod-synth
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nyrox/mod-synth" "work/ex/beta-1.38-1/sources/1.37.0/gh/Nyrox/mod-synth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Nyrox/mod-synth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nyrox/mod-synth" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nyrox/mod-synth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nyrox/mod-synth'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d78721c505276b1cb0ef6626aa12efed3c0dcdae
[INFO] sha for GitHub repo Nyrox/mod-synth: d78721c505276b1cb0ef6626aa12efed3c0dcdae
[INFO] validating manifest of Nyrox/mod-synth on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Nyrox/mod-synth on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Nyrox/mod-synth
[INFO] finished frobbing Nyrox/mod-synth
[INFO] frobbed toml for Nyrox/mod-synth written to work/ex/beta-1.38-1/sources/1.37.0/gh/Nyrox/mod-synth/Cargo.toml
[INFO] started frobbing Nyrox/mod-synth
[INFO] finished frobbing Nyrox/mod-synth
[INFO] frobbed toml for Nyrox/mod-synth written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nyrox/mod-synth/Cargo.toml
[INFO] crate Nyrox/mod-synth already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Nyrox/mod-synth against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Nyrox/mod-synth:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5414c9d0847ba3d32097c77cb973b586e974a8403d3d40fea7f30ee9c0de42c7
[INFO] running `"docker" "start" "-a" "5414c9d0847ba3d32097c77cb973b586e974a8403d3d40fea7f30ee9c0de42c7"`
[INFO] [stderr]    Compiling cpal v0.9.0
[INFO] [stderr]    Compiling mod-synth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::constants::*`
[INFO] [stderr]  --> src/synth/nodes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::constants::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sine`
[INFO] [stderr]   --> src/synth/nodes.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Sine,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Square`
[INFO] [stderr]   --> src/synth/nodes.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Square,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Triangle`
[INFO] [stderr]   --> src/synth/nodes.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Triangle
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Sum`
[INFO] [stderr]   --> src/synth/nodes.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Sum {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "5414c9d0847ba3d32097c77cb973b586e974a8403d3d40fea7f30ee9c0de42c7"`
[INFO] running `"docker" "rm" "-f" "5414c9d0847ba3d32097c77cb973b586e974a8403d3d40fea7f30ee9c0de42c7"`
[INFO] [stdout] 5414c9d0847ba3d32097c77cb973b586e974a8403d3d40fea7f30ee9c0de42c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Nyrox/mod-synth:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 351a4ba5950806a27234bd8b9a1c2f28cc5ca0b26525e562a51794088b6b5c3f
[INFO] running `"docker" "start" "-a" "351a4ba5950806a27234bd8b9a1c2f28cc5ca0b26525e562a51794088b6b5c3f"`
[INFO] [stderr]    Compiling mod-synth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::constants::*`
[INFO] [stderr]  --> src/synth/nodes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::constants::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sine`
[INFO] [stderr]   --> src/synth/nodes.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Sine,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Square`
[INFO] [stderr]   --> src/synth/nodes.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Square,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Triangle`
[INFO] [stderr]   --> src/synth/nodes.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Triangle
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Sum`
[INFO] [stderr]   --> src/synth/nodes.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Sum {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "351a4ba5950806a27234bd8b9a1c2f28cc5ca0b26525e562a51794088b6b5c3f"`
[INFO] running `"docker" "rm" "-f" "351a4ba5950806a27234bd8b9a1c2f28cc5ca0b26525e562a51794088b6b5c3f"`
[INFO] [stdout] 351a4ba5950806a27234bd8b9a1c2f28cc5ca0b26525e562a51794088b6b5c3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Nyrox/mod-synth:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c9eb5d802501aef643b53d97e01e647a94c14a9bebfca0c3d6a4077427359a8e
[INFO] running `"docker" "start" "-a" "c9eb5d802501aef643b53d97e01e647a94c14a9bebfca0c3d6a4077427359a8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mod_synth-3365772bfca39a66
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c9eb5d802501aef643b53d97e01e647a94c14a9bebfca0c3d6a4077427359a8e"`
[INFO] running `"docker" "rm" "-f" "c9eb5d802501aef643b53d97e01e647a94c14a9bebfca0c3d6a4077427359a8e"`
[INFO] [stdout] c9eb5d802501aef643b53d97e01e647a94c14a9bebfca0c3d6a4077427359a8e