[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-1.37-6/sources/1.36.0/gh/Nyrox/mod-synth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Nyrox/mod-synth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nyrox/mod-synth" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nyrox/mod-synth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Nyrox/mod-synth on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Nyrox/mod-synth against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2bc9f10d533600d7d61b23ae6606ebb60d7c3ec2bdbabe0e1fa507c591d2f9f3
[INFO] running `"docker" "start" "-a" "2bc9f10d533600d7d61b23ae6606ebb60d7c3ec2bdbabe0e1fa507c591d2f9f3"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[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 6.59s
[INFO] running `"docker" "inspect" "2bc9f10d533600d7d61b23ae6606ebb60d7c3ec2bdbabe0e1fa507c591d2f9f3"`
[INFO] running `"docker" "rm" "-f" "2bc9f10d533600d7d61b23ae6606ebb60d7c3ec2bdbabe0e1fa507c591d2f9f3"`
[INFO] [stdout] 2bc9f10d533600d7d61b23ae6606ebb60d7c3ec2bdbabe0e1fa507c591d2f9f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 03914dfc9ef34c1598b96e4a541240c2b5036368b46a364308f11dba93b1f42b
[INFO] running `"docker" "start" "-a" "03914dfc9ef34c1598b96e4a541240c2b5036368b46a364308f11dba93b1f42b"`
[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 0.91s
[INFO] running `"docker" "inspect" "03914dfc9ef34c1598b96e4a541240c2b5036368b46a364308f11dba93b1f42b"`
[INFO] running `"docker" "rm" "-f" "03914dfc9ef34c1598b96e4a541240c2b5036368b46a364308f11dba93b1f42b"`
[INFO] [stdout] 03914dfc9ef34c1598b96e4a541240c2b5036368b46a364308f11dba93b1f42b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6268b36653c0b96e7def85bfc42600dc3124051f98a0f72fdd517d535faf47b7
[INFO] running `"docker" "start" "-a" "6268b36653c0b96e7def85bfc42600dc3124051f98a0f72fdd517d535faf47b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mod_synth-f5049e41feb3fdea
[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" "6268b36653c0b96e7def85bfc42600dc3124051f98a0f72fdd517d535faf47b7"`
[INFO] running `"docker" "rm" "-f" "6268b36653c0b96e7def85bfc42600dc3124051f98a0f72fdd517d535faf47b7"`
[INFO] [stdout] 6268b36653c0b96e7def85bfc42600dc3124051f98a0f72fdd517d535faf47b7