[INFO] updating cached repository https://github.com/Namr/Brune [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f7092480a1fd4418ffd92dcdbf3eaea964bf34d [INFO] testing Namr/Brune against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNamr%2FBrune" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Namr/Brune on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Namr/Brune [INFO] finished tweaking git repo https://github.com/Namr/Brune [INFO] tweaked toml for git repo https://github.com/Namr/Brune written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Namr/Brune already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d42b5cb9a4e7d3a235a6696ca8c84e3831a3bcb72d7b12737137ff39eab91296 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d42b5cb9a4e7d3a235a6696ca8c84e3831a3bcb72d7b12737137ff39eab91296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d42b5cb9a4e7d3a235a6696ca8c84e3831a3bcb72d7b12737137ff39eab91296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d42b5cb9a4e7d3a235a6696ca8c84e3831a3bcb72d7b12737137ff39eab91296", kill_on_drop: false }` [INFO] [stdout] d42b5cb9a4e7d3a235a6696ca8c84e3831a3bcb72d7b12737137ff39eab91296 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c3bf26f73003738a874ef81464de6e44ee52688a103d5173dec592a773bc2c8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9c3bf26f73003738a874ef81464de6e44ee52688a103d5173dec592a773bc2c8", kill_on_drop: false }` [INFO] [stderr] Compiling brune v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected one of `.`, `;`, `?`, or an operator, found `::` [INFO] [stdout] --> src/main.rs:19:49 [INFO] [stdout] | [INFO] [stdout] 19 | ... line.split_by_whitespace().collect()::>().map(|num| num.parse()::().expect("Error Parsing Connection data")).collect(); [INFO] [stdout] | ^^ expected one of `.`, `;`, `?`, or an operator [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] 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] [stdout] --> src/main.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 5 | / fn main() [INFO] [stdout] 6 | | { [INFO] [stdout] 7 | | let mut connections = Vec::new(); [INFO] [stdout] 8 | | [INFO] [stdout] 9 | | let connection_file = File::open("ree.edge")?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | println!("Hello, world!"); [INFO] [stdout] 27 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] 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] [stdout] --> src/main.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 5 | / fn main() [INFO] [stdout] 6 | | { [INFO] [stdout] 7 | | let mut connections = Vec::new(); [INFO] [stdout] 8 | | [INFO] [stdout] ... | [INFO] [stdout] 13 | | while reader.read_line(&mut buf)? > 0 [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | println!("Hello, world!"); [INFO] [stdout] 27 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stdout] --> src/main.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | let line = buf.trim_right(); [INFO] [stdout] | ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `brune`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "9c3bf26f73003738a874ef81464de6e44ee52688a103d5173dec592a773bc2c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c3bf26f73003738a874ef81464de6e44ee52688a103d5173dec592a773bc2c8", kill_on_drop: false }` [INFO] [stdout] 9c3bf26f73003738a874ef81464de6e44ee52688a103d5173dec592a773bc2c8