[INFO] cloning repository https://github.com/passy/ordered-jobs-kata-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/passy/ordered-jobs-kata-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpassy%2Fordered-jobs-kata-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpassy%2Fordered-jobs-kata-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d5afa602a59069ad31e5c12218ce76b87ba6d338 [INFO] checking passy/ordered-jobs-kata-rust against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpassy%2Fordered-jobs-kata-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/passy/ordered-jobs-kata-rust on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/passy/ordered-jobs-kata-rust [INFO] finished tweaking git repo https://github.com/passy/ordered-jobs-kata-rust [INFO] tweaked toml for git repo https://github.com/passy/ordered-jobs-kata-rust written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/passy/ordered-jobs-kata-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ffdc6102ebfb7d45feb4c6a1acfe00c3483ed838316b11986a1526dacf4e409 [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" "1ffdc6102ebfb7d45feb4c6a1acfe00c3483ed838316b11986a1526dacf4e409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ffdc6102ebfb7d45feb4c6a1acfe00c3483ed838316b11986a1526dacf4e409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ffdc6102ebfb7d45feb4c6a1acfe00c3483ed838316b11986a1526dacf4e409", kill_on_drop: false }` [INFO] [stdout] 1ffdc6102ebfb7d45feb4c6a1acfe00c3483ed838316b11986a1526dacf4e409 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86dce44ead0460a857b222336c6779a7eebcb2e311f6317b4b9a978a1f6f29c6 [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" "86dce44ead0460a857b222336c6779a7eebcb2e311f6317b4b9a978a1f6f29c6", kill_on_drop: false }` [INFO] [stderr] Checking ordered-jobs-kata v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0601]: `main` function not found in crate `ordered_jobs_kata` [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![feature(str_char)] [INFO] [stdout] 2 | | #![feature(collections)] [INFO] [stdout] 3 | | //! A simple, stupid, unoptimized version of the Ordered Jobs Kata. [INFO] [stdout] 4 | | //! (Re)learning Rust at the same time. Back in my days we had ~["vectors", "like", "this"]. [INFO] [stdout] ... | [INFO] [stdout] 170 | | assert!(res.is_err()) [INFO] [stdout] 171 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `src/main.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope [INFO] [stdout] --> src/main.rs:34:24 [INFO] [stdout] | [INFO] [stdout] 34 | .map(|s| s.char_at(0)) // Generally unsafe but logically guarded by above stmt [INFO] [stdout] | ^^^^^^^ method not found in `&str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope [INFO] [stdout] --> src/main.rs:34:24 [INFO] [stdout] | [INFO] [stdout] 34 | .map(|s| s.char_at(0)) // Generally unsafe but logically guarded by above stmt [INFO] [stdout] | ^^^^^^^ method not found in `&str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `position_elem` found for struct `Vec` in the current scope [INFO] [stdout] --> src/main.rs:56:27 [INFO] [stdout] | [INFO] [stdout] 56 | if let Some(i) = jobs.position_elem(other_job) { [INFO] [stdout] | ^^^^^^^^^^^^^ method not found in `Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0601. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ordered-jobs-kata` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0599]: no method named `position_elem` found for struct `Vec` in the current scope [INFO] [stdout] --> src/main.rs:56:27 [INFO] [stdout] | [INFO] [stdout] 56 | if let Some(i) = jobs.position_elem(other_job) { [INFO] [stdout] | ^^^^^^^^^^^^^ method not found in `Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "86dce44ead0460a857b222336c6779a7eebcb2e311f6317b4b9a978a1f6f29c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86dce44ead0460a857b222336c6779a7eebcb2e311f6317b4b9a978a1f6f29c6", kill_on_drop: false }` [INFO] [stdout] 86dce44ead0460a857b222336c6779a7eebcb2e311f6317b4b9a978a1f6f29c6