[INFO] fetching crate polywrap-wasm-rs 0.12.2... [INFO] checking polywrap-wasm-rs-0.12.2 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] extracting crate polywrap-wasm-rs 0.12.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate polywrap-wasm-rs 0.12.2 on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate polywrap-wasm-rs 0.12.2 [INFO] finished tweaking crates.io crate polywrap-wasm-rs 0.12.2 [INFO] tweaked toml for crates.io crate polywrap-wasm-rs 0.12.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding bigdecimal v0.3.1 (latest: v0.4.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded polywrap_msgpack_serde v0.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a77cde7fe26e99bf3c6818c7c0f1c6fa519717822de682ea6b928a71bf88fbe [INFO] running `Command { std: "docker" "start" "-a" "6a77cde7fe26e99bf3c6818c7c0f1c6fa519717822de682ea6b928a71bf88fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a77cde7fe26e99bf3c6818c7c0f1c6fa519717822de682ea6b928a71bf88fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a77cde7fe26e99bf3c6818c7c0f1c6fa519717822de682ea6b928a71bf88fbe", kill_on_drop: false }` [INFO] [stdout] 6a77cde7fe26e99bf3c6818c7c0f1c6fa519717822de682ea6b928a71bf88fbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9239676c0521290b19a20c3f31b39de18f09d2be4d40a34f3673d09aaeb9dba2 [INFO] running `Command { std: "docker" "start" "-a" "9239676c0521290b19a20c3f31b39de18f09d2be4d40a34f3673d09aaeb9dba2", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.120 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking serde v1.0.204 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking serde_bytes v0.11.15 [INFO] [stderr] Checking bigdecimal v0.3.1 [INFO] [stderr] Checking polywrap_msgpack_serde v0.0.2 [INFO] [stderr] Checking polywrap-wasm-rs v0.12.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/read_decoder.rs:443:9 [INFO] [stdout] | [INFO] [stdout] 443 | mut key_reader: impl FnMut(&mut Self) -> Result, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/read_decoder.rs:444:9 [INFO] [stdout] | [INFO] [stdout] 444 | mut val_reader: impl FnMut(&mut Self) -> Result, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/write_encoder.rs:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | mut key_writer: impl FnMut(&mut Self, &K) -> Result<(), EncodeError>, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/write_encoder.rs:279:9 [INFO] [stdout] | [INFO] [stdout] 279 | mut val_writer: impl FnMut(&mut Self, &V) -> Result<(), EncodeError>, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/read_decoder.rs:443:9 [INFO] [stdout] | [INFO] [stdout] 443 | mut key_reader: impl FnMut(&mut Self) -> Result, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/read_decoder.rs:444:9 [INFO] [stdout] | [INFO] [stdout] 444 | mut val_reader: impl FnMut(&mut Self) -> Result, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/write_encoder.rs:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | mut key_writer: impl FnMut(&mut Self, &K) -> Result<(), EncodeError>, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msgpack/write_encoder.rs:279:9 [INFO] [stdout] | [INFO] [stdout] 279 | mut val_writer: impl FnMut(&mut Self, &V) -> Result<(), EncodeError>, [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> tests/test_encode.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct Case { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 7 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Case` 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: unused `Result` that must be used [INFO] [stdout] --> tests/test_encode.rs:381:9 [INFO] [stdout] | [INFO] [stdout] 381 | writer.write_array(&case.input, |writer, item| writer.write_i32(item)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 381 | let _ = writer.write_array(&case.input, |writer, item| writer.write_i32(item)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.76s [INFO] running `Command { std: "docker" "inspect" "9239676c0521290b19a20c3f31b39de18f09d2be4d40a34f3673d09aaeb9dba2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9239676c0521290b19a20c3f31b39de18f09d2be4d40a34f3673d09aaeb9dba2", kill_on_drop: false }` [INFO] [stdout] 9239676c0521290b19a20c3f31b39de18f09d2be4d40a34f3673d09aaeb9dba2