[INFO] cloning repository https://github.com/Michael-F-Bryan/create-a-botnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael-F-Bryan/create-a-botnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fcreate-a-botnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fcreate-a-botnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9e405787def43520489f51dbd45b689d3e4dd53
[INFO] checking Michael-F-Bryan/create-a-botnet against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fcreate-a-botnet" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/create-a-botnet on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Michael-F-Bryan/create-a-botnet
[INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/create-a-botnet
[INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/create-a-botnet written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael-F-Bryan/create-a-botnet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42e198a38d86d71bd911e004d04e6ce97514df91b1f59a4e49de2e15c094946c
[INFO] running `Command { std: "docker" "start" "-a" "42e198a38d86d71bd911e004d04e6ce97514df91b1f59a4e49de2e15c094946c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42e198a38d86d71bd911e004d04e6ce97514df91b1f59a4e49de2e15c094946c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e198a38d86d71bd911e004d04e6ce97514df91b1f59a4e49de2e15c094946c", kill_on_drop: false }`
[INFO] [stdout] 42e198a38d86d71bd911e004d04e6ce97514df91b1f59a4e49de2e15c094946c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55afc799e80f71e638a9736a53f96bb4d258a755241bcde45e0e4452265f008
[INFO] running `Command { std: "docker" "start" "-a" "f55afc799e80f71e638a9736a53f96bb4d258a755241bcde45e0e4452265f008", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling cranelift-entity v0.30.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.30.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking cranelift-bforest v0.30.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking wasmparser v0.29.2
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking wasmparser v0.23.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]    Compiling cranelift-codegen v0.30.0
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir/hello-world)
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]    Compiling wasmer-runtime-core v0.3.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling target-lexicon v0.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(unwind_attributes))]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use the C-unwind ABI instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 | impl_traits!([C] S0,);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 | impl_traits!([transparent] S1, A);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 | impl_traits!([C] S2, A, B);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 | impl_traits!([C] S3, A, B, C);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 | impl_traits!([C] S4, A, B, C, D);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 | impl_traits!([C] S5, A, B, C, D, E);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 402 | impl_traits!([C] S6, A, B, C, D, E, F);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 403 | impl_traits!([C] S7, A, B, C, D, E, F, G);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 404 | impl_traits!([C] S8, A, B, C, D, E, F, G, H);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 405 | impl_traits!([C] S9, A, B, C, D, E, F, G, H, I);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 | impl_traits!([C] S10, A, B, C, D, E, F, G, H, I, J);
[INFO] [stdout]     | --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 407 | impl_traits!([C] S11, A, B, C, D, E, F, G, H, I, J, K);
[INFO] [stdout]     | ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmer-runtime-core-0.3.0/src/typed_func.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                 #[cfg_attr(nightly, unwind(allowed))]
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 408 | impl_traits!([C] S12, A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stdout]     | --------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmer-runtime-core` (lib) due to 15 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f55afc799e80f71e638a9736a53f96bb4d258a755241bcde45e0e4452265f008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55afc799e80f71e638a9736a53f96bb4d258a755241bcde45e0e4452265f008", kill_on_drop: false }`
[INFO] [stdout] f55afc799e80f71e638a9736a53f96bb4d258a755241bcde45e0e4452265f008
