[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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Nyrox/mod-synth"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Nyrox/mod-synth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nyrox/mod-synth" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Nyrox/mod-synth"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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 master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Nyrox/mod-synth on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Nyrox/mod-synth against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 62eb8812e901528e19b34257e8dbcf28a227498ca06f519da2b9acca59c67d87
[INFO] running `"docker" "start" "-a" "62eb8812e901528e19b34257e8dbcf28a227498ca06f519da2b9acca59c67d87"`
[INFO] [stderr]     Checking cpal v0.9.0
[INFO] [stderr]     Checking 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: 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] 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 2.08s
[INFO] running `"docker" "inspect" "62eb8812e901528e19b34257e8dbcf28a227498ca06f519da2b9acca59c67d87"`
[INFO] running `"docker" "rm" "-f" "62eb8812e901528e19b34257e8dbcf28a227498ca06f519da2b9acca59c67d87"`
[INFO] [stdout] 62eb8812e901528e19b34257e8dbcf28a227498ca06f519da2b9acca59c67d87