[INFO] cloning repository https://github.com/vignesh-sankaran/piston-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vignesh-sankaran/piston-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvignesh-sankaran%2Fpiston-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvignesh-sankaran%2Fpiston-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7db1008984da869aba897a960f06834b9f717f8
[INFO] checking vignesh-sankaran/piston-wasm against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvignesh-sankaran%2Fpiston-wasm" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vignesh-sankaran/piston-wasm on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vignesh-sankaran/piston-wasm
[INFO] finished tweaking git repo https://github.com/vignesh-sankaran/piston-wasm
[INFO] tweaked toml for git repo https://github.com/vignesh-sankaran/piston-wasm written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vignesh-sankaran/piston-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541fa13b29bf734ede99ac5facf0517eeae1b6fa1d4bc883309edda25a4098ea
[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" "541fa13b29bf734ede99ac5facf0517eeae1b6fa1d4bc883309edda25a4098ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541fa13b29bf734ede99ac5facf0517eeae1b6fa1d4bc883309edda25a4098ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541fa13b29bf734ede99ac5facf0517eeae1b6fa1d4bc883309edda25a4098ea", kill_on_drop: false }`
[INFO] [stdout] 541fa13b29bf734ede99ac5facf0517eeae1b6fa1d4bc883309edda25a4098ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c10eccda5254e15fe5bfc9c3853d3c96c5c0a2bb9ea1ecce98c5080933b38d0
[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" "6c10eccda5254e15fe5bfc9c3853d3c96c5c0a2bb9ea1ecce98c5080933b38d0", kill_on_drop: false }`
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking pistoncore-window v0.30.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.35.0
[INFO] [stderr]     Checking piston v0.35.0
[INFO] [stderr]     Checking piston-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.63s
[INFO] running `Command { std: "docker" "inspect" "6c10eccda5254e15fe5bfc9c3853d3c96c5c0a2bb9ea1ecce98c5080933b38d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c10eccda5254e15fe5bfc9c3853d3c96c5c0a2bb9ea1ecce98c5080933b38d0", kill_on_drop: false }`
[INFO] [stdout] 6c10eccda5254e15fe5bfc9c3853d3c96c5c0a2bb9ea1ecce98c5080933b38d0