[INFO] cloning repository https://github.com/deliangyang/leetcode.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deliangyang/leetcode.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Fleetcode.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Fleetcode.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 443aaa4bd7a08b8686b4ea70433c7c28c60b2492
[INFO] testing deliangyang/leetcode.rs against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Fleetcode.rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deliangyang/leetcode.rs on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deliangyang/leetcode.rs
[INFO] finished tweaking git repo https://github.com/deliangyang/leetcode.rs
[INFO] tweaked toml for git repo https://github.com/deliangyang/leetcode.rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/deliangyang/leetcode.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc2f8655891d69305e2cd076b24f13e8403f8a928f3367a76e17c20863609510
[INFO] running `Command { std: "docker" "start" "-a" "cc2f8655891d69305e2cd076b24f13e8403f8a928f3367a76e17c20863609510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc2f8655891d69305e2cd076b24f13e8403f8a928f3367a76e17c20863609510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2f8655891d69305e2cd076b24f13e8403f8a928f3367a76e17c20863609510", kill_on_drop: false }`
[INFO] [stdout] cc2f8655891d69305e2cd076b24f13e8403f8a928f3367a76e17c20863609510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6f2e36dc473442e5b2d47fbc0e8b7b58a4a718529dc45fe76362ea403a07f8e
[INFO] running `Command { std: "docker" "start" "-a" "e6f2e36dc473442e5b2d47fbc0e8b7b58a4a718529dc45fe76362ea403a07f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `print_dot` in this scope
[INFO] [stdout]   --> src/bin/stack.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     print_dot
[INFO] [stdout]    |     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/int_to_roman.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |             chars.insert(0,s[count + 1]);
[INFO] [stdout]    |                            ------------ this is of type `char`, which causes `chars` to be inferred as `Vec<char>`
[INFO] [stdout] ...
[INFO] [stdout] 17 |     String::from_utf8(chars).unwrap()
[INFO] [stdout]    |     ----------------- ^^^^^ expected `Vec<u8>`, found `Vec<char>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<u8>`
[INFO] [stdout]               found struct `Vec<char>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/string.rs:570:12
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e6f2e36dc473442e5b2d47fbc0e8b7b58a4a718529dc45fe76362ea403a07f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f2e36dc473442e5b2d47fbc0e8b7b58a4a718529dc45fe76362ea403a07f8e", kill_on_drop: false }`
[INFO] [stdout] e6f2e36dc473442e5b2d47fbc0e8b7b58a4a718529dc45fe76362ea403a07f8e
