[INFO] updating cached repository lawliet89/aurene
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lawliet89/aurene
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lawliet89/aurene" "work/ex/beta-1.38-1/sources/1.37.0/gh/lawliet89/aurene"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lawliet89/aurene'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lawliet89/aurene" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lawliet89/aurene"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lawliet89/aurene'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7bbf22fa5bd89cdc04ad7a6351916467df88c828
[INFO] sha for GitHub repo lawliet89/aurene: 7bbf22fa5bd89cdc04ad7a6351916467df88c828
[INFO] validating manifest of lawliet89/aurene 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 lawliet89/aurene 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 lawliet89/aurene
[INFO] finished frobbing lawliet89/aurene
[INFO] frobbed toml for lawliet89/aurene written to work/ex/beta-1.38-1/sources/1.37.0/gh/lawliet89/aurene/Cargo.toml
[INFO] started frobbing lawliet89/aurene
[INFO] finished frobbing lawliet89/aurene
[INFO] frobbed toml for lawliet89/aurene written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lawliet89/aurene/Cargo.toml
[INFO] crate lawliet89/aurene 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 lawliet89/aurene 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lawliet89/aurene:/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] 84ecadaecf59b13b5cdc5325fca614375315d6b191e02de31646c4b924442a8b
[INFO] running `"docker" "start" "-a" "84ecadaecf59b13b5cdc5325fca614375315d6b191e02de31646c4b924442a8b"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling aurene v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/main.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let args = make_parser().get_matches();
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]  --> src/error.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Error {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.84s
[INFO] running `"docker" "inspect" "84ecadaecf59b13b5cdc5325fca614375315d6b191e02de31646c4b924442a8b"`
[INFO] running `"docker" "rm" "-f" "84ecadaecf59b13b5cdc5325fca614375315d6b191e02de31646c4b924442a8b"`
[INFO] [stdout] 84ecadaecf59b13b5cdc5325fca614375315d6b191e02de31646c4b924442a8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lawliet89/aurene:/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] 8d81129188beecb26a91c021754597978c3da47d4be030a011e9b5a80d20e9e5
[INFO] running `"docker" "start" "-a" "8d81129188beecb26a91c021754597978c3da47d4be030a011e9b5a80d20e9e5"`
[INFO] [stderr]    Compiling aurene v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/main.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let args = make_parser().get_matches();
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]  --> src/error.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Error {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "8d81129188beecb26a91c021754597978c3da47d4be030a011e9b5a80d20e9e5"`
[INFO] running `"docker" "rm" "-f" "8d81129188beecb26a91c021754597978c3da47d4be030a011e9b5a80d20e9e5"`
[INFO] [stdout] 8d81129188beecb26a91c021754597978c3da47d4be030a011e9b5a80d20e9e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lawliet89/aurene:/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] 52b5d08d2e16ee9c0494ff97b9f6162c4de4102517543a584a6f0e66a03318f2
[INFO] running `"docker" "start" "-a" "52b5d08d2e16ee9c0494ff97b9f6162c4de4102517543a584a6f0e66a03318f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aurene-aca3668ea6d1b739
[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" "52b5d08d2e16ee9c0494ff97b9f6162c4de4102517543a584a6f0e66a03318f2"`
[INFO] running `"docker" "rm" "-f" "52b5d08d2e16ee9c0494ff97b9f6162c4de4102517543a584a6f0e66a03318f2"`
[INFO] [stdout] 52b5d08d2e16ee9c0494ff97b9f6162c4de4102517543a584a6f0e66a03318f2