[INFO] updating cached repository Namr/Brune [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Namr/Brune [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Namr/Brune" "work/ex/beta-1.38-1/sources/1.37.0/gh/Namr/Brune"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Namr/Brune'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Namr/Brune" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Namr/Brune"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Namr/Brune'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6f7092480a1fd4418ffd92dcdbf3eaea964bf34d [INFO] sha for GitHub repo Namr/Brune: 6f7092480a1fd4418ffd92dcdbf3eaea964bf34d [INFO] validating manifest of Namr/Brune 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 Namr/Brune 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 Namr/Brune [INFO] finished frobbing Namr/Brune [INFO] frobbed toml for Namr/Brune written to work/ex/beta-1.38-1/sources/1.37.0/gh/Namr/Brune/Cargo.toml [INFO] started frobbing Namr/Brune [INFO] finished frobbing Namr/Brune [INFO] frobbed toml for Namr/Brune written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Namr/Brune/Cargo.toml [INFO] crate Namr/Brune 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 Namr/Brune 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/Namr/Brune:/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] 0a2bb32fc65c573173d5affcfd70e5f0e0e9fa121b28d198b27ae8fa9d9c9d57 [INFO] running `"docker" "start" "-a" "0a2bb32fc65c573173d5affcfd70e5f0e0e9fa121b28d198b27ae8fa9d9c9d57"` [INFO] [stderr] Compiling brune v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: expected one of `.`, `;`, `?`, or an operator, found `::` [INFO] [stderr] --> src/main.rs:19:49 [INFO] [stderr] | [INFO] [stderr] 19 | line.split_by_whitespace().collect()::>().map(|num| num.parse()::().expect("Error Parsing Connection data")).collect(); [INFO] [stderr] | ^^ expected one of `.`, `;`, `?`, or an operator here [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stderr] --> src/main.rs:9:27 [INFO] [stderr] | [INFO] [stderr] 9 | let connection_file = File::open("ree.edge")?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr] = note: required by `std::ops::Try::from_error` [INFO] [stderr] [INFO] [stderr] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stderr] --> src/main.rs:13:11 [INFO] [stderr] | [INFO] [stderr] 13 | while reader.read_line(&mut buf)? > 0 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stderr] = note: required by `std::ops::Try::from_error` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/main.rs:16:28 [INFO] [stderr] | [INFO] [stderr] 16 | let line = buf.trim_right(); [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `brune`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "0a2bb32fc65c573173d5affcfd70e5f0e0e9fa121b28d198b27ae8fa9d9c9d57"` [INFO] running `"docker" "rm" "-f" "0a2bb32fc65c573173d5affcfd70e5f0e0e9fa121b28d198b27ae8fa9d9c9d57"` [INFO] [stdout] 0a2bb32fc65c573173d5affcfd70e5f0e0e9fa121b28d198b27ae8fa9d9c9d57