[INFO] updating cached repository marcolussetti/programming_rust_chapter2_gcd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marcolussetti/programming_rust_chapter2_gcd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marcolussetti/programming_rust_chapter2_gcd" "work/ex/beta-1.38-1/sources/1.37.0/gh/marcolussetti/programming_rust_chapter2_gcd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marcolussetti/programming_rust_chapter2_gcd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcolussetti/programming_rust_chapter2_gcd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marcolussetti/programming_rust_chapter2_gcd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marcolussetti/programming_rust_chapter2_gcd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f42d988a4af20791bb6578279819d0bd94d19507
[INFO] sha for GitHub repo marcolussetti/programming_rust_chapter2_gcd: f42d988a4af20791bb6578279819d0bd94d19507
[INFO] validating manifest of marcolussetti/programming_rust_chapter2_gcd 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 marcolussetti/programming_rust_chapter2_gcd 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 marcolussetti/programming_rust_chapter2_gcd
[INFO] finished frobbing marcolussetti/programming_rust_chapter2_gcd
[INFO] frobbed toml for marcolussetti/programming_rust_chapter2_gcd written to work/ex/beta-1.38-1/sources/1.37.0/gh/marcolussetti/programming_rust_chapter2_gcd/Cargo.toml
[INFO] started frobbing marcolussetti/programming_rust_chapter2_gcd
[INFO] finished frobbing marcolussetti/programming_rust_chapter2_gcd
[INFO] frobbed toml for marcolussetti/programming_rust_chapter2_gcd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marcolussetti/programming_rust_chapter2_gcd/Cargo.toml
[INFO] crate marcolussetti/programming_rust_chapter2_gcd 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 marcolussetti/programming_rust_chapter2_gcd 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/marcolussetti/programming_rust_chapter2_gcd:/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] db6d8a73fee73af3e79df7d55c6bb6553acf3a8f13a6bfdd4a8308f08b3f6d87
[INFO] running `"docker" "start" "-a" "db6d8a73fee73af3e79df7d55c6bb6553acf3a8f13a6bfdd4a8308f08b3f6d87"`
[INFO] [stderr]    Compiling programming_rust_chapter1 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `let`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     }s
[INFO] [stderr]    |       - help: a semicolon may be missing here
[INFO] [stderr] 16 | 
[INFO] [stderr] 17 |     let mut running_gcd = numbers[0];
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `s` in this scope
[INFO] [stderr]   --> src/main.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     }s
[INFO] [stderr]    |      ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `d` in this scope
[INFO] [stderr]   --> src/main.rs:22:68
[INFO] [stderr]    |
[INFO] [stderr] 22 |     println!("The greatest common divisor of {:?} is {}", numbers, d)
[INFO] [stderr]    |                                                                    ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 |         gcd = gcd(gcd, *number);
[INFO] [stderr]    |                   ^^^ expected u64, found fn item
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `u64`
[INFO] [stderr]               found type `fn(u64, u64) -> u64 {gcd}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 |         gcd = gcd(gcd, *number);
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ expected fn item, found u64
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `fn(u64, u64) -> u64 {gcd}`
[INFO] [stderr]               found type `u64`
[INFO] [stderr] 
[INFO] [stderr] error[E0070]: invalid left-hand side expression
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         gcd = gcd(gcd, *number);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ left-hand of expression not valid
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0070, E0308, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0070`.
[INFO] [stderr] error: Could not compile `programming_rust_chapter1`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "db6d8a73fee73af3e79df7d55c6bb6553acf3a8f13a6bfdd4a8308f08b3f6d87"`
[INFO] running `"docker" "rm" "-f" "db6d8a73fee73af3e79df7d55c6bb6553acf3a8f13a6bfdd4a8308f08b3f6d87"`
[INFO] [stdout] db6d8a73fee73af3e79df7d55c6bb6553acf3a8f13a6bfdd4a8308f08b3f6d87