[INFO] updating cached repository balderstonb/rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/balderstonb/rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/balderstonb/rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/balderstonb/rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/balderstonb/rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/balderstonb/rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/balderstonb/rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/balderstonb/rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3a842561a143875ace3a603a574421590f8e641
[INFO] sha for GitHub repo balderstonb/rust: a3a842561a143875ace3a603a574421590f8e641
[INFO] validating manifest of balderstonb/rust 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 balderstonb/rust 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 balderstonb/rust
[INFO] finished frobbing balderstonb/rust
[INFO] frobbed toml for balderstonb/rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/balderstonb/rust/Cargo.toml
[INFO] started frobbing balderstonb/rust
[INFO] finished frobbing balderstonb/rust
[INFO] frobbed toml for balderstonb/rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/balderstonb/rust/Cargo.toml
[INFO] crate balderstonb/rust 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 balderstonb/rust 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/balderstonb/rust:/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] c144813c301cbec69783aedac6939f2b6fafb3a9af6f73e95d3f55dc0581ca76
[INFO] running `"docker" "start" "-a" "c144813c301cbec69783aedac6939f2b6fafb3a9af6f73e95d3f55dc0581ca76"`
[INFO] [stderr]    Compiling stats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "c144813c301cbec69783aedac6939f2b6fafb3a9af6f73e95d3f55dc0581ca76"`
[INFO] running `"docker" "rm" "-f" "c144813c301cbec69783aedac6939f2b6fafb3a9af6f73e95d3f55dc0581ca76"`
[INFO] [stdout] c144813c301cbec69783aedac6939f2b6fafb3a9af6f73e95d3f55dc0581ca76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/balderstonb/rust:/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] 5874476a6baf22fbc0c566fb1dbdb4855327ce8223672bfaa5e3532c84f919de
[INFO] running `"docker" "start" "-a" "5874476a6baf22fbc0c566fb1dbdb4855327ce8223672bfaa5e3532c84f919de"`
[INFO] [stderr]    Compiling stats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "5874476a6baf22fbc0c566fb1dbdb4855327ce8223672bfaa5e3532c84f919de"`
[INFO] running `"docker" "rm" "-f" "5874476a6baf22fbc0c566fb1dbdb4855327ce8223672bfaa5e3532c84f919de"`
[INFO] [stdout] 5874476a6baf22fbc0c566fb1dbdb4855327ce8223672bfaa5e3532c84f919de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/balderstonb/rust:/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] 169dc22b8a356512e79913d27361c9b69c5cc9090f1b1b797c1245a5f67105f6
[INFO] running `"docker" "start" "-a" "169dc22b8a356512e79913d27361c9b69c5cc9090f1b1b797c1245a5f67105f6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stats-8a6e12d05caeda5c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_mean ... ok
[INFO] [stdout] test tests::test_mode ... ok
[INFO] [stdout] test tests::test_median_even ... ok
[INFO] [stdout] test tests::test_median_odd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "169dc22b8a356512e79913d27361c9b69c5cc9090f1b1b797c1245a5f67105f6"`
[INFO] running `"docker" "rm" "-f" "169dc22b8a356512e79913d27361c9b69c5cc9090f1b1b797c1245a5f67105f6"`
[INFO] [stdout] 169dc22b8a356512e79913d27361c9b69c5cc9090f1b1b797c1245a5f67105f6