[INFO] cloning repository https://github.com/rchaser53/rust_web_assembly_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rchaser53/rust_web_assembly_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust_web_assembly_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust_web_assembly_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5704498e6b8af94a2be6946ad173e07ddbd258b
[INFO] checking rchaser53/rust_web_assembly_playground against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust_web_assembly_playground" "/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/rchaser53/rust_web_assembly_playground on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rchaser53/rust_web_assembly_playground
[INFO] finished tweaking git repo https://github.com/rchaser53/rust_web_assembly_playground
[INFO] tweaked toml for git repo https://github.com/rchaser53/rust_web_assembly_playground written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rchaser53/rust_web_assembly_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 777341aff80e8154d6eeb681e14b6dfe10f133499c6d584fbf74891e6c9dd973
[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" "777341aff80e8154d6eeb681e14b6dfe10f133499c6d584fbf74891e6c9dd973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "777341aff80e8154d6eeb681e14b6dfe10f133499c6d584fbf74891e6c9dd973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777341aff80e8154d6eeb681e14b6dfe10f133499c6d584fbf74891e6c9dd973", kill_on_drop: false }`
[INFO] [stdout] 777341aff80e8154d6eeb681e14b6dfe10f133499c6d584fbf74891e6c9dd973
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31baf3e5ddb8b63e55a726d63f215e7a7d8d2d6383057bc5c4cf91a7de69878c
[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" "31baf3e5ddb8b63e55a726d63f215e7a7d8d2d6383057bc5c4cf91a7de69878c", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking sdl2-sys v0.30.0
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "31baf3e5ddb8b63e55a726d63f215e7a7d8d2d6383057bc5c4cf91a7de69878c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31baf3e5ddb8b63e55a726d63f215e7a7d8d2d6383057bc5c4cf91a7de69878c", kill_on_drop: false }`
[INFO] [stdout] 31baf3e5ddb8b63e55a726d63f215e7a7d8d2d6383057bc5c4cf91a7de69878c