[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 try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fcreate-a-botnet" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/create-a-botnet on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-6/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: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-cpuid v6.1.0
[INFO] [stderr]   Downloaded cmake v0.1.38
[INFO] [stderr]   Downloaded syn v0.15.32
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded serde-bench v0.0.7
[INFO] [stderr]   Downloaded bindgen v0.46.0
[INFO] [stderr]   Downloaded page_size v0.4.1
[INFO] [stderr]   Downloaded cranelift-native v0.30.0
[INFO] [stderr]   Downloaded wasmer-runtime-core v0.3.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.30.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.30.0
[INFO] [stderr]   Downloaded target-lexicon v0.3.0
[INFO] [stderr]   Downloaded wasmer-runtime v0.3.0
[INFO] [stderr]   Downloaded cranelift-entity v0.30.0
[INFO] [stderr]   Downloaded wasmer-win-exception-handler v0.3.0
[INFO] [stderr]   Downloaded wasmparser v0.23.0
[INFO] [stderr]   Downloaded wasmer-clif-backend v0.3.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.30.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.30.0
[INFO] [stderr]   Downloaded wasmparser v0.29.2
[INFO] [stderr]   Downloaded cranelift-codegen v0.30.0
[INFO] [stderr]   Downloaded blake2b_simd v0.4.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9dfb73d1a28a8aa2f4fbe7fb997c6cb5319cd593103fad72128102842ecdbe78
[INFO] running `Command { std: "docker" "start" "-a" "9dfb73d1a28a8aa2f4fbe7fb997c6cb5319cd593103fad72128102842ecdbe78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dfb73d1a28a8aa2f4fbe7fb997c6cb5319cd593103fad72128102842ecdbe78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dfb73d1a28a8aa2f4fbe7fb997c6cb5319cd593103fad72128102842ecdbe78", kill_on_drop: false }`
[INFO] [stdout] 9dfb73d1a28a8aa2f4fbe7fb997c6cb5319cd593103fad72128102842ecdbe78
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a551aca0cbb82c4ecd20ffb39c20f52b9a5f32877ad70ea289087bf1f04ccae
[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" "4a551aca0cbb82c4ecd20ffb39c20f52b9a5f32877ad70ea289087bf1f04ccae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling cranelift-entity v0.30.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking wasmparser v0.29.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking wasmparser v0.23.0
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir/hello-world)
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.30.0
[INFO] [stderr]     Checking cranelift-bforest v0.30.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking blake2b_simd v0.4.1
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]    Compiling cranelift-codegen v0.30.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling target-lexicon v0.3.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cranelift-frontend v0.30.0
[INFO] [stderr]     Checking cranelift-native v0.30.0
[INFO] [stderr]     Checking cranelift-wasm v0.30.0
[INFO] [stderr]     Checking wasmer-clif-backend v0.3.0
[INFO] [stderr]     Checking wasmer-runtime v0.3.0
[INFO] [stderr]     Checking bot v0.1.0 (/opt/rustwide/workdir/bot)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bot/src/main.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]   |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bot/src/main.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]   |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.91s
[INFO] running `Command { std: "docker" "inspect" "4a551aca0cbb82c4ecd20ffb39c20f52b9a5f32877ad70ea289087bf1f04ccae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a551aca0cbb82c4ecd20ffb39c20f52b9a5f32877ad70ea289087bf1f04ccae", kill_on_drop: false }`
[INFO] [stdout] 4a551aca0cbb82c4ecd20ffb39c20f52b9a5f32877ad70ea289087bf1f04ccae