[INFO] fetching crate puzuzu 0.1.1...
[INFO] checking puzuzu-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate puzuzu 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate puzuzu 0.1.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate puzuzu 0.1.1
[INFO] finished tweaking crates.io crate puzuzu 0.1.1
[INFO] tweaked toml for crates.io crate puzuzu 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11184135d436cead5b0d4705c0258ac2ac4d7c34ec34d7850aca705d2e451d06
[INFO] running `Command { std: "docker" "start" "-a" "11184135d436cead5b0d4705c0258ac2ac4d7c34ec34d7850aca705d2e451d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11184135d436cead5b0d4705c0258ac2ac4d7c34ec34d7850aca705d2e451d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11184135d436cead5b0d4705c0258ac2ac4d7c34ec34d7850aca705d2e451d06", kill_on_drop: false }`
[INFO] [stdout] 11184135d436cead5b0d4705c0258ac2ac4d7c34ec34d7850aca705d2e451d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33890d9a9934ffd8689d1ac9d07b66b0297fc725883a1a4f44b17a7d3d62d0a8
[INFO] running `Command { std: "docker" "start" "-a" "33890d9a9934ffd8689d1ac9d07b66b0297fc725883a1a4f44b17a7d3d62d0a8", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.93
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking puzuzu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |         JsValue::from_serde(&self.clues).map_err(|error| {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |         JsValue::from_serde(&grid).map_err(|error| {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .map(JsValue::from_serde)
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |             .map(JsValue::from_serde)
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |         JsValue::from_serde(&self.clues).map_err(|error| {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |         JsValue::from_serde(&grid).map_err(|error| {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .map(JsValue::from_serde)
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/puzzle.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |             .map(JsValue::from_serde)
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `bytes` are never read
[INFO] [stdout]   --> src/extension.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Extension {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 43 |     pub code: [u8; 4],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 44 |     pub bytes: Vec<u8>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Extension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scrambled_checksum` is never read
[INFO] [stdout]   --> src/header.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Header {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub scrambled_checksum: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `bytes` are never read
[INFO] [stdout]   --> src/extension.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Extension {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 43 |     pub code: [u8; 4],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 44 |     pub bytes: Vec<u8>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Extension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "33890d9a9934ffd8689d1ac9d07b66b0297fc725883a1a4f44b17a7d3d62d0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33890d9a9934ffd8689d1ac9d07b66b0297fc725883a1a4f44b17a7d3d62d0a8", kill_on_drop: false }`
[INFO] [stdout] 33890d9a9934ffd8689d1ac9d07b66b0297fc725883a1a4f44b17a7d3d62d0a8