[INFO] fetching crate waffle-unistub 0.5.0...
[INFO] checking waffle-unistub-0.5.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate waffle-unistub 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate waffle-unistub 0.5.0
[INFO] finished tweaking crates.io crate waffle-unistub 0.5.0
[INFO] tweaked toml for crates.io crate waffle-unistub 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate waffle-unistub 0.5.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waffle-unistub 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ssa-traits v0.3.0-alpha.0
[INFO] [stderr]   Downloaded ssa-traits v0.2.0
[INFO] [stderr]   Downloaded arena-traits v0.2.0
[INFO] [stderr]   Downloaded waffle-ast v0.5.0
[INFO] [stderr]   Downloaded cfg-traits v0.2.0
[INFO] [stderr]   Downloaded cfg-traits v0.3.0-alpha.0
[INFO] [stderr]   Downloaded wasm-encoder v0.227.1
[INFO] [stderr]   Downloaded wasmparser v0.227.1
[INFO] [stderr]   Downloaded portal-pc-waffle v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14aad34741efefe0ade139a10d8ed66360fa978708216cb3f43786ebbda2e52e
[INFO] running `Command { std: "docker" "start" "-a" "14aad34741efefe0ade139a10d8ed66360fa978708216cb3f43786ebbda2e52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14aad34741efefe0ade139a10d8ed66360fa978708216cb3f43786ebbda2e52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14aad34741efefe0ade139a10d8ed66360fa978708216cb3f43786ebbda2e52e", kill_on_drop: false }`
[INFO] [stdout] 14aad34741efefe0ade139a10d8ed66360fa978708216cb3f43786ebbda2e52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9e09051cf706a26487601da3a77f86a24b87a7ef758a33981eb187a0d8096c
[INFO] running `Command { std: "docker" "start" "-a" "2d9e09051cf706a26487601da3a77f86a24b87a7ef758a33981eb187a0d8096c", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]     Checking arena-traits v0.2.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking never-say-never v6.6.666
[INFO] [stderr]    Compiling wasmparser v0.227.1
[INFO] [stderr]    Compiling wasm-encoder v0.227.1
[INFO] [stderr]     Checking polonius-the-crab v0.2.1
[INFO] [stderr]     Checking rustc-std-workspace-alloc v1.0.1
[INFO] [stderr]     Checking leb128fmt v0.1.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking cfg-traits v0.3.0-alpha.0
[INFO] [stderr]     Checking cfg-traits v0.2.0
[INFO] [stderr]     Checking ssa-traits v0.2.0
[INFO] [stderr]     Checking macro_rules_attribute v0.1.3
[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]     Checking ext-trait v1.0.1
[INFO] [stderr]     Checking extension-traits v1.0.1
[INFO] [stderr]     Checking nougat v0.2.4
[INFO] [stderr]     Checking lending-iterator v0.1.7
[INFO] [stderr]     Checking ssa-traits v0.3.0-alpha.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking portal-pc-waffle v0.4.0
[INFO] [stderr]     Checking waffle-ast v0.5.0
[INFO] [stderr]     Checking waffle-unistub v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, BTreeSet},
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/lib.rs:31:50
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     if let SignatureData::Func { params, returns } = m.signatures[s].clone() {
[INFO] [stdout]    |                                                  ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, BTreeSet},
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/lib.rs:31:50
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     if let SignatureData::Func { params, returns } = m.signatures[s].clone() {
[INFO] [stdout]    |                                                  ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.70s
[INFO] running `Command { std: "docker" "inspect" "2d9e09051cf706a26487601da3a77f86a24b87a7ef758a33981eb187a0d8096c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9e09051cf706a26487601da3a77f86a24b87a7ef758a33981eb187a0d8096c", kill_on_drop: false }`
[INFO] [stdout] 2d9e09051cf706a26487601da3a77f86a24b87a7ef758a33981eb187a0d8096c