[INFO] fetching crate web3api-wasm-rs 0.0.1-prealpha.85...
[INFO] checking web3api-wasm-rs-0.0.1-prealpha.85 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate web3api-wasm-rs 0.0.1-prealpha.85 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate web3api-wasm-rs 0.0.1-prealpha.85 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 web3api-wasm-rs 0.0.1-prealpha.85
[INFO] finished tweaking crates.io crate web3api-wasm-rs 0.0.1-prealpha.85
[INFO] tweaked toml for crates.io crate web3api-wasm-rs 0.0.1-prealpha.85 written to /workspace/builds/worker-3-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 18 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] 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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8f29f21b12e5f5cc3c91929525ac8459b3eb00ad744aff7fbbbc89c2cae90e5
[INFO] running `Command { std: "docker" "start" "-a" "b8f29f21b12e5f5cc3c91929525ac8459b3eb00ad744aff7fbbbc89c2cae90e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8f29f21b12e5f5cc3c91929525ac8459b3eb00ad744aff7fbbbc89c2cae90e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f29f21b12e5f5cc3c91929525ac8459b3eb00ad744aff7fbbbc89c2cae90e5", kill_on_drop: false }`
[INFO] [stdout] b8f29f21b12e5f5cc3c91929525ac8459b3eb00ad744aff7fbbbc89c2cae90e5
[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=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] b2f05a434220471dcd15972d56de503bdbdcc94e1bfbd50c1d199223abb63ead
[INFO] running `Command { std: "docker" "start" "-a" "b2f05a434220471dcd15972d56de503bdbdcc94e1bfbd50c1d199223abb63ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking bigdecimal v0.3.1
[INFO] [stderr]     Checking web3api-wasm-rs v0.0.1-prealpha.85 (/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<K, DecodeError>,
[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<V, DecodeError>,
[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<K, DecodeError>,
[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<V, DecodeError>,
[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/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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "b2f05a434220471dcd15972d56de503bdbdcc94e1bfbd50c1d199223abb63ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f05a434220471dcd15972d56de503bdbdcc94e1bfbd50c1d199223abb63ead", kill_on_drop: false }`
[INFO] [stdout] b2f05a434220471dcd15972d56de503bdbdcc94e1bfbd50c1d199223abb63ead