[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 try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwikal%2Farbitrary-code-execution" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iwikal/arbitrary-code-execution on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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-7/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 8914a212753bf06a98e5893a9907d329d013f2d01b1ac6f8337f2db25e104f96
[INFO] running `"docker" "start" "-a" "8914a212753bf06a98e5893a9907d329d013f2d01b1ac6f8337f2db25e104f96"`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling cranelift-entity v0.31.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking wasmparser v0.35.3
[INFO] [stderr]     Checking slotmap v0.3.0
[INFO] [stderr]     Checking generational-arena v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking page_size v0.4.1
[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]    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 failure v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling wasmer-runtime-core v0.7.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]    Compiling cranelift-codegen v0.31.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr] error[E0277]: cannot add-assign `&colored::ColoredString` to `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmer-runtime-core-0.7.0/src/state.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |             ret += &"Unknown fault address, cannot read stack.".yellow();
[INFO] [stderr]     |                 ^^ no implementation for `std::string::String += &colored::ColoredString`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::AddAssign<&colored::ColoredString>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add-assign `&colored::ColoredString` to `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmer-runtime-core-0.7.0/src/state.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 |             ret += &"Backtrace:".bold();
[INFO] [stderr]     |                 ^^ no implementation for `std::string::String += &colored::ColoredString`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::AddAssign<&colored::ColoredString>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add-assign `&colored::ColoredString` to `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmer-runtime-core-0.7.0/src/state.rs:362:21
[INFO] [stderr]     |
[INFO] [stderr] 362 |                 ret += &format!("* Frame {} @ Local function {}", i, f.local_function_id).bold();
[INFO] [stderr]     |                     ^^ no implementation for `std::string::String += &colored::ColoredString`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::AddAssign<&colored::ColoredString>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `wasmer-runtime-core`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8914a212753bf06a98e5893a9907d329d013f2d01b1ac6f8337f2db25e104f96"`
[INFO] running `"docker" "rm" "-f" "8914a212753bf06a98e5893a9907d329d013f2d01b1ac6f8337f2db25e104f96"`
[INFO] [stdout] 8914a212753bf06a98e5893a9907d329d013f2d01b1ac6f8337f2db25e104f96