[INFO] cloning repository https://github.com/AndrewGaspar/hello-emterpreter-async-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewGaspar/hello-emterpreter-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fhello-emterpreter-async-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fhello-emterpreter-async-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0db904aed056dfa6a697ef6ef3920ecfda6fe764
[INFO] checking AndrewGaspar/hello-emterpreter-async-rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fhello-emterpreter-async-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndrewGaspar/hello-emterpreter-async-rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/AndrewGaspar/hello-emterpreter-async-rust
[INFO] finished tweaking git repo https://github.com/AndrewGaspar/hello-emterpreter-async-rust
[INFO] tweaked toml for git repo https://github.com/AndrewGaspar/hello-emterpreter-async-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/AndrewGaspar/hello-emterpreter-async-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded discard v1.0.3
[INFO] [stderr]   Downloaded stdweb-derive v0.4.0
[INFO] [stderr]   Downloaded base-x v0.2.3
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded node-rs v0.1.3
[INFO] [stderr]   Downloaded ryu v0.2.5
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.1.0
[INFO] [stderr]   Downloaded stdweb v0.4.8
[INFO] [stderr]   Downloaded serde_derive v1.0.74
[INFO] [stderr]   Downloaded serde v1.0.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7242c5813babcaf87d40dedd1b9fdd820d003e4826f96f04431d17fc734be5f3
[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" "7242c5813babcaf87d40dedd1b9fdd820d003e4826f96f04431d17fc734be5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7242c5813babcaf87d40dedd1b9fdd820d003e4826f96f04431d17fc734be5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7242c5813babcaf87d40dedd1b9fdd820d003e4826f96f04431d17fc734be5f3", kill_on_drop: false }`
[INFO] [stdout] 7242c5813babcaf87d40dedd1b9fdd820d003e4826f96f04431d17fc734be5f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 634c216b7d085b2adeaf8dd7a8d2dd7f31385893b01ab2775f2271b7d9aee41b
[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" "634c216b7d085b2adeaf8dd7a8d2dd7f31385893b01ab2775f2271b7d9aee41b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling serde v1.0.74
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]     Checking discard v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.74
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]     Checking node-rs v0.1.3
[INFO] [stderr]     Checking hello-emscripten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 51.15s
[INFO] running `Command { std: "docker" "inspect" "634c216b7d085b2adeaf8dd7a8d2dd7f31385893b01ab2775f2271b7d9aee41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634c216b7d085b2adeaf8dd7a8d2dd7f31385893b01ab2775f2271b7d9aee41b", kill_on_drop: false }`
[INFO] [stdout] 634c216b7d085b2adeaf8dd7a8d2dd7f31385893b01ab2775f2271b7d9aee41b