[INFO] updating cached repository nd4pa/Learning_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nd4pa/Learning_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nd4pa/Learning_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nd4pa/Learning_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nd4pa/Learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nd4pa/Learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2d49d39a7ff8e4a7ed550d82fc389def21cbd9a
[INFO] sha for GitHub repo nd4pa/Learning_rust: e2d49d39a7ff8e4a7ed550d82fc389def21cbd9a
[INFO] validating manifest of nd4pa/Learning_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 nd4pa/Learning_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 nd4pa/Learning_rust
[INFO] finished frobbing nd4pa/Learning_rust
[INFO] frobbed toml for nd4pa/Learning_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust/Cargo.toml
[INFO] started frobbing nd4pa/Learning_rust
[INFO] finished frobbing nd4pa/Learning_rust
[INFO] frobbed toml for nd4pa/Learning_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nd4pa/Learning_rust/Cargo.toml
[INFO] crate nd4pa/Learning_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 nd4pa/Learning_rust 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-7/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/nd4pa/Learning_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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ad8bcb7b8691708af450d3f0e65b126cd0b3c1c063f59ab1d33ce364cc50493a
[INFO] running `"docker" "start" "-a" "ad8bcb7b8691708af450d3f0e65b126cd0b3c1c063f59ab1d33ce364cc50493a"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "ad8bcb7b8691708af450d3f0e65b126cd0b3c1c063f59ab1d33ce364cc50493a"`
[INFO] running `"docker" "rm" "-f" "ad8bcb7b8691708af450d3f0e65b126cd0b3c1c063f59ab1d33ce364cc50493a"`
[INFO] [stdout] ad8bcb7b8691708af450d3f0e65b126cd0b3c1c063f59ab1d33ce364cc50493a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/nd4pa/Learning_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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2baccf4ff93dabc0dc299cdadfde93acbaa6ecc5480687f9757ef34f7bc58984
[INFO] running `"docker" "start" "-a" "2baccf4ff93dabc0dc299cdadfde93acbaa6ecc5480687f9757ef34f7bc58984"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "2baccf4ff93dabc0dc299cdadfde93acbaa6ecc5480687f9757ef34f7bc58984"`
[INFO] running `"docker" "rm" "-f" "2baccf4ff93dabc0dc299cdadfde93acbaa6ecc5480687f9757ef34f7bc58984"`
[INFO] [stdout] 2baccf4ff93dabc0dc299cdadfde93acbaa6ecc5480687f9757ef34f7bc58984
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/nd4pa/Learning_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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8d9acee82bc2fe188b25ec34f000f16e193ac765bc55a817dae3642ab24fdd96
[INFO] running `"docker" "start" "-a" "8d9acee82bc2fe188b25ec34f000f16e193ac765bc55a817dae3642ab24fdd96"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-b81e8ba9aa5ffa1b
[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" "8d9acee82bc2fe188b25ec34f000f16e193ac765bc55a817dae3642ab24fdd96"`
[INFO] running `"docker" "rm" "-f" "8d9acee82bc2fe188b25ec34f000f16e193ac765bc55a817dae3642ab24fdd96"`
[INFO] [stdout] 8d9acee82bc2fe188b25ec34f000f16e193ac765bc55a817dae3642ab24fdd96