[INFO] updating cached repository Catvert/roccat-vulcan-helper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Catvert/roccat-vulcan-helper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Catvert/roccat-vulcan-helper" "work/ex/beta-1.38-1/sources/1.37.0/gh/Catvert/roccat-vulcan-helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Catvert/roccat-vulcan-helper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Catvert/roccat-vulcan-helper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Catvert/roccat-vulcan-helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Catvert/roccat-vulcan-helper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9ed82305d72fb0ab15877a25002a2e00002b08e
[INFO] sha for GitHub repo Catvert/roccat-vulcan-helper: e9ed82305d72fb0ab15877a25002a2e00002b08e
[INFO] validating manifest of Catvert/roccat-vulcan-helper 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 Catvert/roccat-vulcan-helper 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 Catvert/roccat-vulcan-helper
[INFO] finished frobbing Catvert/roccat-vulcan-helper
[INFO] frobbed toml for Catvert/roccat-vulcan-helper written to work/ex/beta-1.38-1/sources/1.37.0/gh/Catvert/roccat-vulcan-helper/Cargo.toml
[INFO] started frobbing Catvert/roccat-vulcan-helper
[INFO] finished frobbing Catvert/roccat-vulcan-helper
[INFO] frobbed toml for Catvert/roccat-vulcan-helper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Catvert/roccat-vulcan-helper/Cargo.toml
[INFO] crate Catvert/roccat-vulcan-helper 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 Catvert/roccat-vulcan-helper 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Catvert/roccat-vulcan-helper:/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] 080306b1ee77256ad3115151c53b663fb179d5c5ca97769c85c5447fa2b0ade0
[INFO] running `"docker" "start" "-a" "080306b1ee77256ad3115151c53b663fb179d5c5ca97769c85c5447fa2b0ade0"`
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling ron v0.5.0
[INFO] [stderr]    Compiling roccat-vulcan-helper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cat`
[INFO] [stderr]    --> src/settings.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     let cat = self
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_cat`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `description`
[INFO] [stderr]   --> src/key.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn description(&self) -> &str { &self.description }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     settings.save();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.48s
[INFO] running `"docker" "inspect" "080306b1ee77256ad3115151c53b663fb179d5c5ca97769c85c5447fa2b0ade0"`
[INFO] running `"docker" "rm" "-f" "080306b1ee77256ad3115151c53b663fb179d5c5ca97769c85c5447fa2b0ade0"`
[INFO] [stdout] 080306b1ee77256ad3115151c53b663fb179d5c5ca97769c85c5447fa2b0ade0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Catvert/roccat-vulcan-helper:/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] 7599addda40a679b6908629c88fc230796db5c1b0f648539e9de2b26378add8f
[INFO] running `"docker" "start" "-a" "7599addda40a679b6908629c88fc230796db5c1b0f648539e9de2b26378add8f"`
[INFO] [stderr]    Compiling roccat-vulcan-helper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cat`
[INFO] [stderr]    --> src/settings.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     let cat = self
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_cat`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `description`
[INFO] [stderr]   --> src/key.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn description(&self) -> &str { &self.description }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     settings.save();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "7599addda40a679b6908629c88fc230796db5c1b0f648539e9de2b26378add8f"`
[INFO] running `"docker" "rm" "-f" "7599addda40a679b6908629c88fc230796db5c1b0f648539e9de2b26378add8f"`
[INFO] [stdout] 7599addda40a679b6908629c88fc230796db5c1b0f648539e9de2b26378add8f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Catvert/roccat-vulcan-helper:/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] 28bebe180f9ee246e4e8e7aa2f04297092bd4f298707e727006e7442ece4ea0b
[INFO] running `"docker" "start" "-a" "28bebe180f9ee246e4e8e7aa2f04297092bd4f298707e727006e7442ece4ea0b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roccat_vulcan_helper-570bddd757ca53c8
[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" "28bebe180f9ee246e4e8e7aa2f04297092bd4f298707e727006e7442ece4ea0b"`
[INFO] running `"docker" "rm" "-f" "28bebe180f9ee246e4e8e7aa2f04297092bd4f298707e727006e7442ece4ea0b"`
[INFO] [stdout] 28bebe180f9ee246e4e8e7aa2f04297092bd4f298707e727006e7442ece4ea0b