[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 master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpassy%2Fordered-jobs-kata-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/passy/ordered-jobs-kata-rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4310eef3468bdc32bd7c45a7ac4b0718ffd6cb7372b74a93a431f95fd53be276 [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" "4310eef3468bdc32bd7c45a7ac4b0718ffd6cb7372b74a93a431f95fd53be276", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4310eef3468bdc32bd7c45a7ac4b0718ffd6cb7372b74a93a431f95fd53be276", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4310eef3468bdc32bd7c45a7ac4b0718ffd6cb7372b74a93a431f95fd53be276", kill_on_drop: false }` [INFO] [stdout] 4310eef3468bdc32bd7c45a7ac4b0718ffd6cb7372b74a93a431f95fd53be276 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2f333de7d18a7a8af43f40099bf71e458f7cf8edc55f6de0b670c92fc1cb729 [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" "c2f333de7d18a7a8af43f40099bf71e458f7cf8edc55f6de0b670c92fc1cb729", 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 `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 `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 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" "c2f333de7d18a7a8af43f40099bf71e458f7cf8edc55f6de0b670c92fc1cb729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2f333de7d18a7a8af43f40099bf71e458f7cf8edc55f6de0b670c92fc1cb729", kill_on_drop: false }` [INFO] [stdout] c2f333de7d18a7a8af43f40099bf71e458f7cf8edc55f6de0b670c92fc1cb729