[INFO] updating cached repository mankinskin/budget_app
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mankinskin/budget_app
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mankinskin/budget_app" "work/ex/beta-1.38-1/sources/1.37.0/gh/mankinskin/budget_app"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mankinskin/budget_app'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mankinskin/budget_app" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mankinskin/budget_app"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mankinskin/budget_app'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b6cb7937278cf7a9b88b9274085aa26db163649
[INFO] sha for GitHub repo mankinskin/budget_app: 9b6cb7937278cf7a9b88b9274085aa26db163649
[INFO] validating manifest of mankinskin/budget_app 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 mankinskin/budget_app 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 mankinskin/budget_app
[INFO] finished frobbing mankinskin/budget_app
[INFO] frobbed toml for mankinskin/budget_app written to work/ex/beta-1.38-1/sources/1.37.0/gh/mankinskin/budget_app/Cargo.toml
[INFO] started frobbing mankinskin/budget_app
[INFO] finished frobbing mankinskin/budget_app
[INFO] frobbed toml for mankinskin/budget_app written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mankinskin/budget_app/Cargo.toml
[INFO] crate mankinskin/budget_app 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 mankinskin/budget_app against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mankinskin/budget_app:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 59590a5078f1073f3df9a5579df465c28e51f8fb65487f97b317900190ff84e8
[INFO] running `"docker" "start" "-a" "59590a5078f1073f3df9a5579df465c28e51f8fb65487f97b317900190ff84e8"`
[INFO] [stderr]    Compiling budget_app v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `balance_string`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn balance_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "59590a5078f1073f3df9a5579df465c28e51f8fb65487f97b317900190ff84e8"`
[INFO] running `"docker" "rm" "-f" "59590a5078f1073f3df9a5579df465c28e51f8fb65487f97b317900190ff84e8"`
[INFO] [stdout] 59590a5078f1073f3df9a5579df465c28e51f8fb65487f97b317900190ff84e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mankinskin/budget_app:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3fa6fe747295dc249e44308555823fbbc086cd33662524aa808db2281ce5b6d3
[INFO] running `"docker" "start" "-a" "3fa6fe747295dc249e44308555823fbbc086cd33662524aa808db2281ce5b6d3"`
[INFO] [stderr]    Compiling budget_app v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `balance_string`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn balance_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "3fa6fe747295dc249e44308555823fbbc086cd33662524aa808db2281ce5b6d3"`
[INFO] running `"docker" "rm" "-f" "3fa6fe747295dc249e44308555823fbbc086cd33662524aa808db2281ce5b6d3"`
[INFO] [stdout] 3fa6fe747295dc249e44308555823fbbc086cd33662524aa808db2281ce5b6d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mankinskin/budget_app:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4f31eb24a38dfac26eb283e1f0c530ade8a1fb98620083410a5a052350d499e0
[INFO] running `"docker" "start" "-a" "4f31eb24a38dfac26eb283e1f0c530ade8a1fb98620083410a5a052350d499e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/budget_app-29d51b781d445793
[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" "4f31eb24a38dfac26eb283e1f0c530ade8a1fb98620083410a5a052350d499e0"`
[INFO] running `"docker" "rm" "-f" "4f31eb24a38dfac26eb283e1f0c530ade8a1fb98620083410a5a052350d499e0"`
[INFO] [stdout] 4f31eb24a38dfac26eb283e1f0c530ade8a1fb98620083410a5a052350d499e0