[INFO] updating cached repository https://github.com/iwikal/arbitrary-code-execution
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 881dc75239fe4a9b112a61c172b00050f537acef
[INFO] checking iwikal/arbitrary-code-execution against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwikal%2Farbitrary-code-execution" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iwikal/arbitrary-code-execution on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iwikal/arbitrary-code-execution
[INFO] finished tweaking git repo https://github.com/iwikal/arbitrary-code-execution
[INFO] tweaked toml for git repo https://github.com/iwikal/arbitrary-code-execution written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/iwikal/arbitrary-code-execution already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] c79546a3d9612fbf9b3b94aa57cba182d5249e04be9754309d675b29fb4a23fe
[INFO] running `"docker" "start" "-a" "c79546a3d9612fbf9b3b94aa57cba182d5249e04be9754309d675b29fb4a23fe"`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling cranelift-entity v0.31.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]     Checking wasmparser v0.35.3
[INFO] [stderr]     Checking generational-arena v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking blake2b_simd v0.5.8
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.31.0
[INFO] [stderr]     Checking cranelift-bforest v0.31.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling wasmer-runtime-core v0.7.0
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling cranelift-codegen v0.31.0
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.33.0
[INFO] [stderr]     Checking cranelift-native v0.31.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.33.0
[INFO] [stderr]     Checking wasmer-clif-backend v0.7.0
[INFO] [stderr]     Checking wasmer-runtime v0.7.0
[INFO] [stderr]     Checking ncollide3d v0.20.1
[INFO] [stderr]     Checking nalgebra-glm v0.4.2
[INFO] [stderr]     Checking nphysics3d v0.12.3
[INFO] [stderr]     Checking arbitrary-code-execution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `src`
[INFO] [stderr]   --> examples/src/main.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / #![no_std]
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | | #[no_mangle]
[INFO] [stderr] 4  | | pub extern "C" fn fibonacci(n: u32) -> u32 {
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     loop {}
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `examples/src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `arbitrary-code-execution`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c79546a3d9612fbf9b3b94aa57cba182d5249e04be9754309d675b29fb4a23fe"`
[INFO] running `"docker" "rm" "-f" "c79546a3d9612fbf9b3b94aa57cba182d5249e04be9754309d675b29fb4a23fe"`
[INFO] [stdout] c79546a3d9612fbf9b3b94aa57cba182d5249e04be9754309d675b29fb4a23fe