[INFO] crate wasmer-clif-fork-frontend 0.44.0 is already in cache
[INFO] checking wasmer-clif-fork-frontend-0.44.0 against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] extracting crate wasmer-clif-fork-frontend 0.44.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmer-clif-fork-frontend 0.44.0 on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wasmer-clif-fork-frontend 0.44.0
[INFO] finished tweaking crates.io crate wasmer-clif-fork-frontend 0.44.0
[INFO] tweaked toml for crates.io crate wasmer-clif-fork-frontend 0.44.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4317a6d97527ac80731c685e23c5d0f2d0ccdc6fcdae4046010e157f26ba0041
[INFO] running `"docker" "start" "-a" "4317a6d97527ac80731c685e23c5d0f2d0ccdc6fcdae4046010e157f26ba0041"`
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.44.0
[INFO] [stderr]    Compiling cranelift-entity v0.44.0
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.44.0
[INFO] [stderr]     Checking cranelift-bforest v0.44.0
[INFO] [stderr]    Compiling cranelift-codegen v0.44.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/frontend.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]    --> src/ssa.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/frontend.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]    --> src/ssa.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.46s
[INFO] running `"docker" "inspect" "4317a6d97527ac80731c685e23c5d0f2d0ccdc6fcdae4046010e157f26ba0041"`
[INFO] running `"docker" "rm" "-f" "4317a6d97527ac80731c685e23c5d0f2d0ccdc6fcdae4046010e157f26ba0041"`
[INFO] [stdout] 4317a6d97527ac80731c685e23c5d0f2d0ccdc6fcdae4046010e157f26ba0041