[INFO] fetching crate wasmer-engine-staticlib 2.0.0-rc1...
[INFO] checking wasmer-engine-staticlib-2.0.0-rc1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate wasmer-engine-staticlib 2.0.0-rc1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate wasmer-engine-staticlib 2.0.0-rc1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-engine-staticlib 2.0.0-rc1
[INFO] finished tweaking crates.io crate wasmer-engine-staticlib 2.0.0-rc1
[INFO] tweaked toml for crates.io crate wasmer-engine-staticlib 2.0.0-rc1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad27d0c4a85e6bc1374175b93b6a76cbc687f87135a0d03ff98a12ecc417d798
[INFO] running `Command { std: "docker" "start" "-a" "ad27d0c4a85e6bc1374175b93b6a76cbc687f87135a0d03ff98a12ecc417d798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad27d0c4a85e6bc1374175b93b6a76cbc687f87135a0d03ff98a12ecc417d798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad27d0c4a85e6bc1374175b93b6a76cbc687f87135a0d03ff98a12ecc417d798", kill_on_drop: false }`
[INFO] [stdout] ad27d0c4a85e6bc1374175b93b6a76cbc687f87135a0d03ff98a12ecc417d798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a4a91bb00e508c8a4f8dfde57c316ab29f2e59d3334b6506e86658872cd8aa
[INFO] running `Command { std: "docker" "start" "-a" "81a4a91bb00e508c8a4f8dfde57c316ab29f2e59d3334b6506e86658872cd8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling wasmer-vm v2.0.0-rc2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling loupe-derive v0.1.2
[INFO] [stderr]    Compiling rkyv_derive v0.6.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking ptr_meta v0.1.3
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling enumset_derive v0.5.4
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking rkyv v0.6.7
[INFO] [stderr]     Checking enumset v1.0.6
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking loupe v0.1.2
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking wasmer-types v2.0.0-rc2
[INFO] [stderr]     Checking wasmer-compiler v2.0.0-rc2
[INFO] [stderr]     Checking wasmer-engine v2.0.0-rc2
[INFO] [stderr]     Checking wasmer-object v2.0.0-rc2
[INFO] [stderr]     Checking wasmer-engine-staticlib v2.0.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `target`
[INFO] [stdout]  --> src/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     target: Option<Target>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `features`
[INFO] [stdout]  --> src/builder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     features: Option<Features>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefixer`
[INFO] [stdout]    --> src/engine.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     prefixer: Option<Box<dyn Fn(&[u8]) -> String + Send>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target`
[INFO] [stdout]  --> src/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     target: Option<Target>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `features`
[INFO] [stdout]  --> src/builder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     features: Option<Features>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefixer`
[INFO] [stdout]    --> src/engine.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     prefixer: Option<Box<dyn Fn(&[u8]) -> String + Send>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.36s
[INFO] running `Command { std: "docker" "inspect" "81a4a91bb00e508c8a4f8dfde57c316ab29f2e59d3334b6506e86658872cd8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a4a91bb00e508c8a4f8dfde57c316ab29f2e59d3334b6506e86658872cd8aa", kill_on_drop: false }`
[INFO] [stdout] 81a4a91bb00e508c8a4f8dfde57c316ab29f2e59d3334b6506e86658872cd8aa