[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-1.37-6/sources/1.36.0/gh/lawliet89/aurene"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lawliet89/aurene'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lawliet89/aurene" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lawliet89/aurene"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lawliet89/aurene 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 lawliet89/aurene
[INFO] finished frobbing lawliet89/aurene
[INFO] frobbed toml for lawliet89/aurene written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 lawliet89/aurene 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-7/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 03ed4fb78a6c6563a590779186dcc2652993004d6bd32e2292524156f2e221b8
[INFO] running `"docker" "start" "-a" "03ed4fb78a6c6563a590779186dcc2652993004d6bd32e2292524156f2e221b8"`
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling syn v0.15.26
[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 19.26s
[INFO] running `"docker" "inspect" "03ed4fb78a6c6563a590779186dcc2652993004d6bd32e2292524156f2e221b8"`
[INFO] running `"docker" "rm" "-f" "03ed4fb78a6c6563a590779186dcc2652993004d6bd32e2292524156f2e221b8"`
[INFO] [stdout] 03ed4fb78a6c6563a590779186dcc2652993004d6bd32e2292524156f2e221b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b3419c76655a7a614fab638bd9fc87eccc08d8558f42d4b2b3acb87fd83327a
[INFO] running `"docker" "start" "-a" "4b3419c76655a7a614fab638bd9fc87eccc08d8558f42d4b2b3acb87fd83327a"`
[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 1.06s
[INFO] running `"docker" "inspect" "4b3419c76655a7a614fab638bd9fc87eccc08d8558f42d4b2b3acb87fd83327a"`
[INFO] running `"docker" "rm" "-f" "4b3419c76655a7a614fab638bd9fc87eccc08d8558f42d4b2b3acb87fd83327a"`
[INFO] [stdout] 4b3419c76655a7a614fab638bd9fc87eccc08d8558f42d4b2b3acb87fd83327a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 5b839d4de2e5341b658ef40a796e9c28d6b0aef36eea4f9c0349d02f6d32a224
[INFO] running `"docker" "start" "-a" "5b839d4de2e5341b658ef40a796e9c28d6b0aef36eea4f9c0349d02f6d32a224"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aurene-c37aa89c8c98c316
[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" "5b839d4de2e5341b658ef40a796e9c28d6b0aef36eea4f9c0349d02f6d32a224"`
[INFO] running `"docker" "rm" "-f" "5b839d4de2e5341b658ef40a796e9c28d6b0aef36eea4f9c0349d02f6d32a224"`
[INFO] [stdout] 5b839d4de2e5341b658ef40a796e9c28d6b0aef36eea4f9c0349d02f6d32a224