[INFO] fetching crate wasmer-engine-object-file 1.0.0-alpha5...
[INFO] checking wasmer-engine-object-file-1.0.0-alpha5 against beta for pr-78714
[INFO] extracting crate wasmer-engine-object-file 1.0.0-alpha5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wasmer-engine-object-file 1.0.0-alpha5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-engine-object-file 1.0.0-alpha5
[INFO] finished tweaking crates.io crate wasmer-engine-object-file 1.0.0-alpha5
[INFO] tweaked toml for crates.io crate wasmer-engine-object-file 1.0.0-alpha5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c612c27519fe42c12f1f74c871b125e0e5a12bab9bd9cf3b238e3c59549a5fa4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c612c27519fe42c12f1f74c871b125e0e5a12bab9bd9cf3b238e3c59549a5fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c612c27519fe42c12f1f74c871b125e0e5a12bab9bd9cf3b238e3c59549a5fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c612c27519fe42c12f1f74c871b125e0e5a12bab9bd9cf3b238e3c59549a5fa4", kill_on_drop: false }`
[INFO] [stdout] c612c27519fe42c12f1f74c871b125e0e5a12bab9bd9cf3b238e3c59549a5fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d841e07127c5e8bd26f2f4c802bdfee126d98caea564c8c4eccd732b49c80b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d841e07127c5e8bd26f2f4c802bdfee126d98caea564c8c4eccd732b49c80b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]     Checking wasmparser v0.65.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha5
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking cranelift-entity v0.67.0
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha5
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha5
[INFO] [stderr]     Checking wasmer-object v1.0.0-alpha5
[INFO] [stderr]     Checking wasmer-engine v1.0.0-alpha5
[INFO] [stderr]     Checking wasmer-engine-object-file v1.0.0-alpha5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn to_compile_error(err: impl Error) -> CompileError {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WASMER_METADATA_SYMBOL`
[INFO] [stdout]   --> src/artifact.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_compile_error`
[INFO] [stdout]   --> src/artifact.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn to_compile_error(err: impl Error) -> CompileError {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WASMER_METADATA_SYMBOL`
[INFO] [stdout]   --> src/artifact.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | const WASMER_METADATA_SYMBOL: &[u8] = b"WASMER_METADATA";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.55s
[INFO] running `Command { std: "docker" "inspect" "8d841e07127c5e8bd26f2f4c802bdfee126d98caea564c8c4eccd732b49c80b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d841e07127c5e8bd26f2f4c802bdfee126d98caea564c8c4eccd732b49c80b9", kill_on_drop: false }`
[INFO] [stdout] 8d841e07127c5e8bd26f2f4c802bdfee126d98caea564c8c4eccd732b49c80b9