[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] testing passy/ordered-jobs-kata-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpassy%2Fordered-jobs-kata-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/passy/ordered-jobs-kata-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-3/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c86c88a4fbcd0a37883194d3c090f9efe77bc9eaa68f813b63438875a8f69b3
[INFO] running `Command { std: "docker" "start" "-a" "2c86c88a4fbcd0a37883194d3c090f9efe77bc9eaa68f813b63438875a8f69b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c86c88a4fbcd0a37883194d3c090f9efe77bc9eaa68f813b63438875a8f69b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c86c88a4fbcd0a37883194d3c090f9efe77bc9eaa68f813b63438875a8f69b3", kill_on_drop: false }`
[INFO] [stdout] 2c86c88a4fbcd0a37883194d3c090f9efe77bc9eaa68f813b63438875a8f69b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6177436a0d9321d0d222249b3297183a5e8c7d4d576b1b75bb1a0212fff81f78
[INFO] running `Command { std: "docker" "start" "-a" "6177436a0d9321d0d222249b3297183a5e8c7d4d576b1b75bb1a0212fff81f78", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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<Job>` 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<Job>`
[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` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "6177436a0d9321d0d222249b3297183a5e8c7d4d576b1b75bb1a0212fff81f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6177436a0d9321d0d222249b3297183a5e8c7d4d576b1b75bb1a0212fff81f78", kill_on_drop: false }`
[INFO] [stdout] 6177436a0d9321d0d222249b3297183a5e8c7d4d576b1b75bb1a0212fff81f78