[INFO] updating cached repository ProgrammingRust/fingertips
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ProgrammingRust/fingertips
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ProgrammingRust/fingertips" "work/ex/beta-1.38-1/sources/1.37.0/gh/ProgrammingRust/fingertips"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ProgrammingRust/fingertips'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ProgrammingRust/fingertips" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgrammingRust/fingertips"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgrammingRust/fingertips'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fecdce2521e2193bfaa91e10dcb41e17433c6aa5
[INFO] sha for GitHub repo ProgrammingRust/fingertips: fecdce2521e2193bfaa91e10dcb41e17433c6aa5
[INFO] validating manifest of ProgrammingRust/fingertips 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 ProgrammingRust/fingertips 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 ProgrammingRust/fingertips
[INFO] finished frobbing ProgrammingRust/fingertips
[INFO] frobbed toml for ProgrammingRust/fingertips written to work/ex/beta-1.38-1/sources/1.37.0/gh/ProgrammingRust/fingertips/Cargo.toml
[INFO] started frobbing ProgrammingRust/fingertips
[INFO] finished frobbing ProgrammingRust/fingertips
[INFO] frobbed toml for ProgrammingRust/fingertips written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ProgrammingRust/fingertips/Cargo.toml
[INFO] crate ProgrammingRust/fingertips 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ProgrammingRust/fingertips 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/ProgrammingRust/fingertips:/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] e44d97f88c70593bd7f56529be43fd7cf84b2489b9d22e99928a229a7b8b6174
[INFO] running `"docker" "start" "-a" "e44d97f88c70593bd7f56529be43fd7cf84b2489b9d22e99928a229a7b8b6174"`
[INFO] [stderr]    Compiling fingertips v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `"docker" "inspect" "e44d97f88c70593bd7f56529be43fd7cf84b2489b9d22e99928a229a7b8b6174"`
[INFO] running `"docker" "rm" "-f" "e44d97f88c70593bd7f56529be43fd7cf84b2489b9d22e99928a229a7b8b6174"`
[INFO] [stdout] e44d97f88c70593bd7f56529be43fd7cf84b2489b9d22e99928a229a7b8b6174
[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/ProgrammingRust/fingertips:/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] 5d3ea3af30200e18f51aabe1353e3f7c14e81910999ddf88047f3fe561c96d2d
[INFO] running `"docker" "start" "-a" "5d3ea3af30200e18f51aabe1353e3f7c14e81910999ddf88047f3fe561c96d2d"`
[INFO] [stderr]    Compiling fingertips v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "5d3ea3af30200e18f51aabe1353e3f7c14e81910999ddf88047f3fe561c96d2d"`
[INFO] running `"docker" "rm" "-f" "5d3ea3af30200e18f51aabe1353e3f7c14e81910999ddf88047f3fe561c96d2d"`
[INFO] [stdout] 5d3ea3af30200e18f51aabe1353e3f7c14e81910999ddf88047f3fe561c96d2d
[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/ProgrammingRust/fingertips:/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] 1315862cb5eb5ab3c1ec0e39ace42577bf147a8045c77930bf72104b9b919bb5
[INFO] running `"docker" "start" "-a" "1315862cb5eb5ab3c1ec0e39ace42577bf147a8045c77930bf72104b9b919bb5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fingertips-7f9d367d34803dee
[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" "1315862cb5eb5ab3c1ec0e39ace42577bf147a8045c77930bf72104b9b919bb5"`
[INFO] running `"docker" "rm" "-f" "1315862cb5eb5ab3c1ec0e39ace42577bf147a8045c77930bf72104b9b919bb5"`
[INFO] [stdout] 1315862cb5eb5ab3c1ec0e39ace42577bf147a8045c77930bf72104b9b919bb5