[INFO] updating cached repository Gr8th1ngy/learning-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gr8th1ngy/learning-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gr8th1ngy/learning-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Gr8th1ngy/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Gr8th1ngy/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gr8th1ngy/learning-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gr8th1ngy/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gr8th1ngy/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9b7a7ea7670a2ab0a264765fae02024be81590d
[INFO] sha for GitHub repo Gr8th1ngy/learning-rust: c9b7a7ea7670a2ab0a264765fae02024be81590d
[INFO] validating manifest of Gr8th1ngy/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 Gr8th1ngy/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 Gr8th1ngy/learning-rust
[INFO] finished frobbing Gr8th1ngy/learning-rust
[INFO] frobbed toml for Gr8th1ngy/learning-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Gr8th1ngy/learning-rust/Cargo.toml
[INFO] started frobbing Gr8th1ngy/learning-rust
[INFO] finished frobbing Gr8th1ngy/learning-rust
[INFO] frobbed toml for Gr8th1ngy/learning-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gr8th1ngy/learning-rust/Cargo.toml
[INFO] crate Gr8th1ngy/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 Gr8th1ngy/learning-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/Gr8th1ngy/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fa3ff4036a6f76175d3741a1b24c63bf6f06561afd82915a72c83b76cfbced68
[INFO] running `"docker" "start" "-a" "fa3ff4036a6f76175d3741a1b24c63bf6f06561afd82915a72c83b76cfbced68"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 |             println!( "Quitting {}" , 1);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "fa3ff4036a6f76175d3741a1b24c63bf6f06561afd82915a72c83b76cfbced68"`
[INFO] running `"docker" "rm" "-f" "fa3ff4036a6f76175d3741a1b24c63bf6f06561afd82915a72c83b76cfbced68"`
[INFO] [stdout] fa3ff4036a6f76175d3741a1b24c63bf6f06561afd82915a72c83b76cfbced68
[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/Gr8th1ngy/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 90e1f8ab6eee87632beef2e19514a2895bdbfe7fbe74733c410dcc53b59e0b0a
[INFO] running `"docker" "start" "-a" "90e1f8ab6eee87632beef2e19514a2895bdbfe7fbe74733c410dcc53b59e0b0a"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 |             println!( "Quitting {}" , 1);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "90e1f8ab6eee87632beef2e19514a2895bdbfe7fbe74733c410dcc53b59e0b0a"`
[INFO] running `"docker" "rm" "-f" "90e1f8ab6eee87632beef2e19514a2895bdbfe7fbe74733c410dcc53b59e0b0a"`
[INFO] [stdout] 90e1f8ab6eee87632beef2e19514a2895bdbfe7fbe74733c410dcc53b59e0b0a
[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/Gr8th1ngy/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fada574431945a7ee80d91966c06d458728dfc1f9d68b1525e2d8a8d8a3aa039
[INFO] running `"docker" "start" "-a" "fada574431945a7ee80d91966c06d458728dfc1f9d68b1525e2d8a8d8a3aa039"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-667f8aaa7937ac71
[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" "fada574431945a7ee80d91966c06d458728dfc1f9d68b1525e2d8a8d8a3aa039"`
[INFO] running `"docker" "rm" "-f" "fada574431945a7ee80d91966c06d458728dfc1f9d68b1525e2d8a8d8a3aa039"`
[INFO] [stdout] fada574431945a7ee80d91966c06d458728dfc1f9d68b1525e2d8a8d8a3aa039