[INFO] updating cached repository justinwoo/my-prompt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinwoo/my-prompt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinwoo/my-prompt" "work/ex/beta-1.38-1/sources/1.37.0/gh/justinwoo/my-prompt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/justinwoo/my-prompt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinwoo/my-prompt" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinwoo/my-prompt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinwoo/my-prompt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31fe91406eec9af103cecd8b99fb4a3c0feff65a
[INFO] sha for GitHub repo justinwoo/my-prompt: 31fe91406eec9af103cecd8b99fb4a3c0feff65a
[INFO] validating manifest of justinwoo/my-prompt 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 justinwoo/my-prompt 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 justinwoo/my-prompt
[INFO] finished frobbing justinwoo/my-prompt
[INFO] frobbed toml for justinwoo/my-prompt written to work/ex/beta-1.38-1/sources/1.37.0/gh/justinwoo/my-prompt/Cargo.toml
[INFO] started frobbing justinwoo/my-prompt
[INFO] finished frobbing justinwoo/my-prompt
[INFO] frobbed toml for justinwoo/my-prompt written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinwoo/my-prompt/Cargo.toml
[INFO] crate justinwoo/my-prompt 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 justinwoo/my-prompt 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/justinwoo/my-prompt:/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] eb2c105708a2688620b14106d2a0ec2b21a2e1788e1d3785d12275e957a0bcdf
[INFO] running `"docker" "start" "-a" "eb2c105708a2688620b14106d2a0ec2b21a2e1788e1d3785d12275e957a0bcdf"`
[INFO] [stderr]    Compiling termcolor v1.0.4 (https://github.com/justinwoo/termcolor?branch=non-printing-escape#eaf83d93)
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling prompt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Ok(repo) => println!("got repo"),
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "eb2c105708a2688620b14106d2a0ec2b21a2e1788e1d3785d12275e957a0bcdf"`
[INFO] running `"docker" "rm" "-f" "eb2c105708a2688620b14106d2a0ec2b21a2e1788e1d3785d12275e957a0bcdf"`
[INFO] [stdout] eb2c105708a2688620b14106d2a0ec2b21a2e1788e1d3785d12275e957a0bcdf
[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/justinwoo/my-prompt:/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] fd5a2e613dba86e7b4b523137505b6baaa7c462fc0516da5d583760ce8b1d2a4
[INFO] running `"docker" "start" "-a" "fd5a2e613dba86e7b4b523137505b6baaa7c462fc0516da5d583760ce8b1d2a4"`
[INFO] [stderr]    Compiling prompt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Ok(repo) => println!("got repo"),
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "fd5a2e613dba86e7b4b523137505b6baaa7c462fc0516da5d583760ce8b1d2a4"`
[INFO] running `"docker" "rm" "-f" "fd5a2e613dba86e7b4b523137505b6baaa7c462fc0516da5d583760ce8b1d2a4"`
[INFO] [stdout] fd5a2e613dba86e7b4b523137505b6baaa7c462fc0516da5d583760ce8b1d2a4
[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/justinwoo/my-prompt:/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] 9465000e8bb7308d426c524a2208780c450953a9b5bad3e7fb385cd2119504f9
[INFO] running `"docker" "start" "-a" "9465000e8bb7308d426c524a2208780c450953a9b5bad3e7fb385cd2119504f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prompt-66dd0d3fe26bab2d
[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" "9465000e8bb7308d426c524a2208780c450953a9b5bad3e7fb385cd2119504f9"`
[INFO] running `"docker" "rm" "-f" "9465000e8bb7308d426c524a2208780c450953a9b5bad3e7fb385cd2119504f9"`
[INFO] [stdout] 9465000e8bb7308d426c524a2208780c450953a9b5bad3e7fb385cd2119504f9