[INFO] fetching crate waffle-splice 0.5.0...
[INFO] building waffle-splice-0.5.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate waffle-splice 0.5.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate waffle-splice 0.5.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nougat v0.2.4
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e4eda0931bf03fe0128fcbbea11f11dc3ab2fb359da59849b99387a5019a0d6
[INFO] running `Command { std: "docker" "start" "-a" "9e4eda0931bf03fe0128fcbbea11f11dc3ab2fb359da59849b99387a5019a0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e4eda0931bf03fe0128fcbbea11f11dc3ab2fb359da59849b99387a5019a0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4eda0931bf03fe0128fcbbea11f11dc3ab2fb359da59849b99387a5019a0d6", kill_on_drop: false }`
[INFO] [stdout] 9e4eda0931bf03fe0128fcbbea11f11dc3ab2fb359da59849b99387a5019a0d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6756341c3b87e0c8961995bc72eda7c5f1701c772bfa292d76290b23f58201db
[INFO] running `Command { std: "docker" "start" "-a" "6756341c3b87e0c8961995bc72eda7c5f1701c772bfa292d76290b23f58201db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling arena-traits v0.2.0
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[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 wasm-encoder v0.227.1
[INFO] [stderr]    Compiling polonius-the-crab v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rustc-std-workspace-alloc v1.0.1
[INFO] [stderr]    Compiling bimap v0.6.3
[INFO] [stderr]    Compiling cfg-traits v0.3.0-alpha.0
[INFO] [stderr]    Compiling cfg-traits v0.2.0
[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 quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.77
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 53.97s
[INFO] running `Command { std: "docker" "inspect" "6756341c3b87e0c8961995bc72eda7c5f1701c772bfa292d76290b23f58201db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6756341c3b87e0c8961995bc72eda7c5f1701c772bfa292d76290b23f58201db", kill_on_drop: false }`
[INFO] [stdout] 6756341c3b87e0c8961995bc72eda7c5f1701c772bfa292d76290b23f58201db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc7853cea45b60b8858a54de0c80e282f4c292707a4bc3ccc09b54f4779ce520
[INFO] running `Command { std: "docker" "start" "-a" "fc7853cea45b60b8858a54de0c80e282f4c292707a4bc3ccc09b54f4779ce520", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]    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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "fc7853cea45b60b8858a54de0c80e282f4c292707a4bc3ccc09b54f4779ce520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7853cea45b60b8858a54de0c80e282f4c292707a4bc3ccc09b54f4779ce520", kill_on_drop: false }`
[INFO] [stdout] fc7853cea45b60b8858a54de0c80e282f4c292707a4bc3ccc09b54f4779ce520
