[INFO] cloning repository https://github.com/marnagy/huff-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marnagy/huff-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarnagy%2Fhuff-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarnagy%2Fhuff-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f573e72a3ebbfe35c2e7ec693d6845cee6b7681
[INFO] testing marnagy/huff-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarnagy%2Fhuff-rs" "/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/marnagy/huff-rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marnagy/huff-rs
[INFO] finished tweaking git repo https://github.com/marnagy/huff-rs
[INFO] tweaked toml for git repo https://github.com/marnagy/huff-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/marnagy/huff-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 810f5bcdc6f1b4c19400a411a0db8cd8d67e7c17782202c6ebbed9e56490dcb1
[INFO] running `Command { std: "docker" "start" "-a" "810f5bcdc6f1b4c19400a411a0db8cd8d67e7c17782202c6ebbed9e56490dcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810f5bcdc6f1b4c19400a411a0db8cd8d67e7c17782202c6ebbed9e56490dcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810f5bcdc6f1b4c19400a411a0db8cd8d67e7c17782202c6ebbed9e56490dcb1", kill_on_drop: false }`
[INFO] [stdout] 810f5bcdc6f1b4c19400a411a0db8cd8d67e7c17782202c6ebbed9e56490dcb1
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d512dfe95a12b214bc9b538c2321fc316501980573091312f6ffaed06da1e18a
[INFO] running `Command { std: "docker" "start" "-a" "d512dfe95a12b214bc9b538c2321fc316501980573091312f6ffaed06da1e18a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling huff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `root_node`
[INFO] [stdout]    --> src/main.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let root_node: TreeNode;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `root` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let root;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_root` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `root` is never read
[INFO] [stdout]    --> src/main.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 |         root = load_tree(source);
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/main.rs:347:41
[INFO] [stdout]     |
[INFO] [stdout] 347 | fn decode(source: &mut BufReader<File>, output: &mut BufWriter<File>) {
[INFO] [stdout]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `next` does not live long enough
[INFO] [stdout]    --> src/main.rs:317:30
[INFO] [stdout]     |
[INFO] [stdout] 316 |             root = match root {
[INFO] [stdout]     |                          ---- borrow later used here
[INFO] [stdout] 317 |                 None => Some(&next),
[INFO] [stdout]     |                              ^^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 326 |         } else {
[INFO] [stdout]     |         - `next` dropped here while still borrowed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0505]: cannot move out of `next` because it is borrowed
[INFO] [stdout]    --> src/main.rs:325:29
[INFO] [stdout]     |
[INFO] [stdout] 316 |             root = match root {
[INFO] [stdout]     |                          ---- borrow later used here
[INFO] [stdout] 317 |                 None => Some(&next),
[INFO] [stdout]     |                              ----- borrow of `next` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 325 |             node_stack.push(next);
[INFO] [stdout]     |                             ^^^^ move out of `next` occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0505, E0597.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0505`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `huff` due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d512dfe95a12b214bc9b538c2321fc316501980573091312f6ffaed06da1e18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d512dfe95a12b214bc9b538c2321fc316501980573091312f6ffaed06da1e18a", kill_on_drop: false }`
[INFO] [stdout] d512dfe95a12b214bc9b538c2321fc316501980573091312f6ffaed06da1e18a