[INFO] updating cached repository ccutch/hairball
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ccutch/hairball
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ccutch/hairball" "work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/hairball"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/hairball'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ccutch/hairball" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccutch/hairball"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccutch/hairball'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c807a0a2b5ec67d022822557e54ca33ef5a873c
[INFO] sha for GitHub repo ccutch/hairball: 0c807a0a2b5ec67d022822557e54ca33ef5a873c
[INFO] validating manifest of ccutch/hairball 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 ccutch/hairball 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 ccutch/hairball
[INFO] finished frobbing ccutch/hairball
[INFO] frobbed toml for ccutch/hairball written to work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/hairball/Cargo.toml
[INFO] started frobbing ccutch/hairball
[INFO] finished frobbing ccutch/hairball
[INFO] frobbed toml for ccutch/hairball written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccutch/hairball/Cargo.toml
[INFO] crate ccutch/hairball 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 ccutch/hairball 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/hairball:/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] ef7832c483cab369024acf08f9c68d9f670aaca822e34b6a17b7463d1b46caa4
[INFO] running `"docker" "start" "-a" "ef7832c483cab369024acf08f9c68d9f670aaca822e34b6a17b7463d1b46caa4"`
[INFO] [stderr]    Compiling rpassword v2.0.0
[INFO] [stderr]    Compiling hairball v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `user`
[INFO] [stderr]   --> src/main.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     user: User,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     config: Config,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `messages`
[INFO] [stderr]   --> src/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     messages: Vec<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "ef7832c483cab369024acf08f9c68d9f670aaca822e34b6a17b7463d1b46caa4"`
[INFO] running `"docker" "rm" "-f" "ef7832c483cab369024acf08f9c68d9f670aaca822e34b6a17b7463d1b46caa4"`
[INFO] [stdout] ef7832c483cab369024acf08f9c68d9f670aaca822e34b6a17b7463d1b46caa4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/hairball:/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] b07ff39665c792e633874b7be403107b4502e7e7003720b38513db79ca77c2b2
[INFO] running `"docker" "start" "-a" "b07ff39665c792e633874b7be403107b4502e7e7003720b38513db79ca77c2b2"`
[INFO] [stderr]    Compiling hairball v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `user`
[INFO] [stderr]   --> src/main.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     user: User,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     config: Config,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `messages`
[INFO] [stderr]   --> src/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     messages: Vec<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "b07ff39665c792e633874b7be403107b4502e7e7003720b38513db79ca77c2b2"`
[INFO] running `"docker" "rm" "-f" "b07ff39665c792e633874b7be403107b4502e7e7003720b38513db79ca77c2b2"`
[INFO] [stdout] b07ff39665c792e633874b7be403107b4502e7e7003720b38513db79ca77c2b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/hairball:/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] fba7c2a0005aa0311eb193a145c958b2f5b63e65a6e87c51aaf0e995cc16907e
[INFO] running `"docker" "start" "-a" "fba7c2a0005aa0311eb193a145c958b2f5b63e65a6e87c51aaf0e995cc16907e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hairball-33eb92eb3c4f271f
[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" "fba7c2a0005aa0311eb193a145c958b2f5b63e65a6e87c51aaf0e995cc16907e"`
[INFO] running `"docker" "rm" "-f" "fba7c2a0005aa0311eb193a145c958b2f5b63e65a6e87c51aaf0e995cc16907e"`
[INFO] [stdout] fba7c2a0005aa0311eb193a145c958b2f5b63e65a6e87c51aaf0e995cc16907e