[INFO] fetching crate waffle-splice 0.5.0... [INFO] testing waffle-splice-0.5.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate waffle-splice 0.5.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate waffle-splice 0.5.0 [INFO] finished tweaking crates.io crate waffle-splice 0.5.0 [INFO] tweaked toml for crates.io crate waffle-splice 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate waffle-splice 0.5.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate waffle-splice 0.5.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nougat-proc_macros v0.2.4 [INFO] [stderr] Downloaded cfg-traits v0.2.0 [INFO] [stderr] Downloaded waffle-ast v0.5.0 [INFO] [stderr] Downloaded ssa-traits v0.3.0-alpha.0 [INFO] [stderr] Downloaded extension-traits v1.0.1 [INFO] [stderr] Downloaded lending-iterator v0.1.7 [INFO] [stderr] Downloaded rustc-std-workspace-alloc v1.0.1 [INFO] [stderr] Downloaded ssa-traits v0.2.0 [INFO] [stderr] Downloaded arena-traits v0.2.0 [INFO] [stderr] Downloaded macro_rules_attribute v0.1.3 [INFO] [stderr] Downloaded cfg-traits v0.3.0-alpha.0 [INFO] [stderr] Downloaded ext-trait-proc_macros v1.0.1 [INFO] [stderr] Downloaded never-say-never v6.6.666 [INFO] [stderr] Downloaded ext-trait v1.0.1 [INFO] [stderr] Downloaded macro_rules_attribute-proc_macro v0.1.3 [INFO] [stderr] Downloaded lending-iterator-proc_macros v0.1.7 [INFO] [stderr] Downloaded nougat v0.2.4 [INFO] [stderr] Downloaded polonius-the-crab v0.2.1 [INFO] [stderr] Downloaded wasm-encoder v0.227.1 [INFO] [stderr] Downloaded serde_derive v1.0.209 [INFO] [stderr] Downloaded serde v1.0.209 [INFO] [stderr] Downloaded portal-pc-waffle v0.4.0 [INFO] [stderr] Downloaded wasmparser v0.227.1 [INFO] [stderr] Downloaded syn v2.0.77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8fcefd0a479f667e2a25da0e378027e66d9e8a34b93b1913c533e90274fff04 [INFO] running `Command { std: "docker" "start" "-a" "d8fcefd0a479f667e2a25da0e378027e66d9e8a34b93b1913c533e90274fff04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8fcefd0a479f667e2a25da0e378027e66d9e8a34b93b1913c533e90274fff04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8fcefd0a479f667e2a25da0e378027e66d9e8a34b93b1913c533e90274fff04", kill_on_drop: false }` [INFO] [stdout] d8fcefd0a479f667e2a25da0e378027e66d9e8a34b93b1913c533e90274fff04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a130e46378e1f95a9b65a0374b90262fcd730aecdab1dfe892dcd3526f8a5ac [INFO] running `Command { std: "docker" "start" "-a" "2a130e46378e1f95a9b65a0374b90262fcd730aecdab1dfe892dcd3526f8a5ac", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling arena-traits v0.2.0 [INFO] [stderr] Compiling macro_rules_attribute-proc_macro v0.1.3 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling never-say-never v6.6.666 [INFO] [stderr] Compiling wasmparser v0.227.1 [INFO] [stderr] Compiling polonius-the-crab v0.2.1 [INFO] [stderr] Compiling wasm-encoder v0.227.1 [INFO] [stderr] Compiling cfg-traits v0.3.0-alpha.0 [INFO] [stderr] Compiling cfg-traits v0.2.0 [INFO] [stderr] Compiling rustc-std-workspace-alloc v1.0.1 [INFO] [stderr] Compiling leb128fmt v0.1.0 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling ssa-traits v0.2.0 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling macro_rules_attribute v0.1.3 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling bimap v0.6.3 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling ext-trait-proc_macros v1.0.1 [INFO] [stderr] Compiling nougat-proc_macros v0.2.4 [INFO] [stderr] Compiling lending-iterator-proc_macros v0.1.7 [INFO] [stderr] Compiling ext-trait v1.0.1 [INFO] [stderr] Compiling extension-traits v1.0.1 [INFO] [stderr] Compiling nougat v0.2.4 [INFO] [stderr] Compiling lending-iterator v0.1.7 [INFO] [stderr] Compiling ssa-traits v0.3.0-alpha.0 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling portal-pc-waffle v0.4.0 [INFO] [stderr] Compiling waffle-ast v0.5.0 [INFO] [stderr] Compiling waffle-splice v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BTreeMap` [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ValueDef` [INFO] [stdout] --> src/lib.rs:4:58 [INFO] [stdout] | [INFO] [stdout] 4 | Func, FunctionBody, Module, Operator, SignatureData, ValueDef, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/mapper.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | mut x: Operator, [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/lib.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut k = body.entry; [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/lib.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut args: Vec<_> = body.blocks[body.entry].params.iter().map(|a| a.1).collect(); [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/lib.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | mut o: Operator, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s [INFO] running `Command { std: "docker" "inspect" "2a130e46378e1f95a9b65a0374b90262fcd730aecdab1dfe892dcd3526f8a5ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a130e46378e1f95a9b65a0374b90262fcd730aecdab1dfe892dcd3526f8a5ac", kill_on_drop: false }` [INFO] [stdout] 2a130e46378e1f95a9b65a0374b90262fcd730aecdab1dfe892dcd3526f8a5ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f389b6f69a32bd985eda50bf3ee9b46fd4085c5952d25714a59583f78a5f8df1 [INFO] running `Command { std: "docker" "start" "-a" "f389b6f69a32bd985eda50bf3ee9b46fd4085c5952d25714a59583f78a5f8df1", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `BTreeMap` [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ValueDef` [INFO] [stdout] --> src/lib.rs:4:58 [INFO] [stdout] | [INFO] [stdout] 4 | Func, FunctionBody, Module, Operator, SignatureData, ValueDef, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/mapper.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | mut x: Operator, [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/lib.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut k = body.entry; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling waffle-splice v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut args: Vec<_> = body.blocks[body.entry].params.iter().map(|a| a.1).collect(); [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/lib.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | mut o: Operator, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BTreeMap` [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ValueDef` [INFO] [stdout] --> src/lib.rs:4:58 [INFO] [stdout] | [INFO] [stdout] 4 | Func, FunctionBody, Module, Operator, SignatureData, ValueDef, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/mapper.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | mut x: Operator, [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/lib.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut k = body.entry; [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/lib.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut args: Vec<_> = body.blocks[body.entry].params.iter().map(|a| a.1).collect(); [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/lib.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | mut o: Operator, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "f389b6f69a32bd985eda50bf3ee9b46fd4085c5952d25714a59583f78a5f8df1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f389b6f69a32bd985eda50bf3ee9b46fd4085c5952d25714a59583f78a5f8df1", kill_on_drop: false }` [INFO] [stdout] f389b6f69a32bd985eda50bf3ee9b46fd4085c5952d25714a59583f78a5f8df1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2c037bcdf3977d8bd6cc0853c5de9faf2277cde1175cbec5537fe24f143333f9 [INFO] running `Command { std: "docker" "start" "-a" "2c037bcdf3977d8bd6cc0853c5de9faf2277cde1175cbec5537fe24f143333f9", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `BTreeMap` [INFO] [stderr] --> src/lib.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::{BTreeMap, HashMap}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ValueDef` [INFO] [stderr] --> src/lib.rs:4:58 [INFO] [stderr] | [INFO] [stderr] 4 | Func, FunctionBody, Module, Operator, SignatureData, ValueDef, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `anyhow::Context` [INFO] [stderr] --> src/mapper.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use anyhow::Context; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | mut x: Operator, [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | let mut k = body.entry; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | let mut args: Vec<_> = body.blocks[body.entry].params.iter().map(|a| a.1).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | mut o: Operator, [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `waffle-splice` (lib) generated 7 warnings (run `cargo fix --lib -p waffle-splice` to apply 7 suggestions) [INFO] [stderr] warning: `waffle-splice` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/waffle_splice-9ce43453b619ecfe) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests waffle_splice [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2c037bcdf3977d8bd6cc0853c5de9faf2277cde1175cbec5537fe24f143333f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c037bcdf3977d8bd6cc0853c5de9faf2277cde1175cbec5537fe24f143333f9", kill_on_drop: false }` [INFO] [stdout] 2c037bcdf3977d8bd6cc0853c5de9faf2277cde1175cbec5537fe24f143333f9