[INFO] updating cached repository mofeing/compressor-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mofeing/compressor-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mofeing/compressor-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/mofeing/compressor-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mofeing/compressor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mofeing/compressor-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mofeing/compressor-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mofeing/compressor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e84e67b985ed2ded941dfece349e509850e0fb59
[INFO] sha for GitHub repo mofeing/compressor-rs: e84e67b985ed2ded941dfece349e509850e0fb59
[INFO] validating manifest of mofeing/compressor-rs 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 mofeing/compressor-rs 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 mofeing/compressor-rs
[INFO] finished frobbing mofeing/compressor-rs
[INFO] frobbed toml for mofeing/compressor-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/mofeing/compressor-rs/Cargo.toml
[INFO] started frobbing mofeing/compressor-rs
[INFO] finished frobbing mofeing/compressor-rs
[INFO] frobbed toml for mofeing/compressor-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mofeing/compressor-rs/Cargo.toml
[INFO] crate mofeing/compressor-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mofeing/compressor-rs 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-1/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/mofeing/compressor-rs:/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] c795e53f173d04eb4feefea546d26dd9d9b6bc3cb0c28bbcb422248a2125a9cf
[INFO] running `"docker" "start" "-a" "c795e53f173d04eb4feefea546d26dd9d9b6bc3cb0c28bbcb422248a2125a9cf"`
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling vst v0.0.2
[INFO] [stderr]    Compiling compressor-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |     env_follower: Box<Follow>,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Follow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]   --> src/envelope.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn next(&mut self, frame: f32) -> f32 {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frames`
[INFO] [stderr]   --> src/envelope.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn set_attack(&mut self, frames: usize) {
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_frames`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frames`
[INFO] [stderr]   --> src/envelope.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn set_release(&mut self, frames: usize) {
[INFO] [stderr]    |                               ^^^^^^ help: consider prefixing with an underscore: `_frames`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rms`
[INFO] [stderr]   --> src/envelope.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub struct Rms {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `"docker" "inspect" "c795e53f173d04eb4feefea546d26dd9d9b6bc3cb0c28bbcb422248a2125a9cf"`
[INFO] running `"docker" "rm" "-f" "c795e53f173d04eb4feefea546d26dd9d9b6bc3cb0c28bbcb422248a2125a9cf"`
[INFO] [stdout] c795e53f173d04eb4feefea546d26dd9d9b6bc3cb0c28bbcb422248a2125a9cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/mofeing/compressor-rs:/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] 99f35f438e9c5a59a8c26bf7e69e61c068f61c2a2b01d64dcb7ba9b2fd17532c
[INFO] running `"docker" "start" "-a" "99f35f438e9c5a59a8c26bf7e69e61c068f61c2a2b01d64dcb7ba9b2fd17532c"`
[INFO] [stderr]    Compiling compressor-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |     env_follower: Box<Follow>,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Follow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]   --> src/envelope.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn next(&mut self, frame: f32) -> f32 {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frames`
[INFO] [stderr]   --> src/envelope.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn set_attack(&mut self, frames: usize) {
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_frames`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frames`
[INFO] [stderr]   --> src/envelope.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn set_release(&mut self, frames: usize) {
[INFO] [stderr]    |                               ^^^^^^ help: consider prefixing with an underscore: `_frames`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rms`
[INFO] [stderr]   --> src/envelope.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub struct Rms {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "99f35f438e9c5a59a8c26bf7e69e61c068f61c2a2b01d64dcb7ba9b2fd17532c"`
[INFO] running `"docker" "rm" "-f" "99f35f438e9c5a59a8c26bf7e69e61c068f61c2a2b01d64dcb7ba9b2fd17532c"`
[INFO] [stdout] 99f35f438e9c5a59a8c26bf7e69e61c068f61c2a2b01d64dcb7ba9b2fd17532c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/mofeing/compressor-rs:/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] 556e19cb490cb5c391b4fc3c9a3caa3064b49b50bcc4d6b020fa7e1cc131a772
[INFO] running `"docker" "start" "-a" "556e19cb490cb5c391b4fc3c9a3caa3064b49b50bcc4d6b020fa7e1cc131a772"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compressor-dd3605a64bcc1eb7
[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" "556e19cb490cb5c391b4fc3c9a3caa3064b49b50bcc4d6b020fa7e1cc131a772"`
[INFO] running `"docker" "rm" "-f" "556e19cb490cb5c391b4fc3c9a3caa3064b49b50bcc4d6b020fa7e1cc131a772"`
[INFO] [stdout] 556e19cb490cb5c391b4fc3c9a3caa3064b49b50bcc4d6b020fa7e1cc131a772