[INFO] cloning repository https://github.com/fzakaria/rust-ebpf-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fzakaria/rust-ebpf-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzakaria%2Frust-ebpf-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzakaria%2Frust-ebpf-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85f9116228eb47383092cdbbf901bb08d35ae2af
[INFO] checking fzakaria/rust-ebpf-demo against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzakaria%2Frust-ebpf-demo" "/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/fzakaria/rust-ebpf-demo on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fzakaria/rust-ebpf-demo
[INFO] finished tweaking git repo https://github.com/fzakaria/rust-ebpf-demo
[INFO] tweaked toml for git repo https://github.com/fzakaria/rust-ebpf-demo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fzakaria/rust-ebpf-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc23779beee40c7c86e5dd2517d4ad9cb23df71512cfa28d1f6b051b3488b48a
[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" "fc23779beee40c7c86e5dd2517d4ad9cb23df71512cfa28d1f6b051b3488b48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc23779beee40c7c86e5dd2517d4ad9cb23df71512cfa28d1f6b051b3488b48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc23779beee40c7c86e5dd2517d4ad9cb23df71512cfa28d1f6b051b3488b48a", kill_on_drop: false }`
[INFO] [stdout] fc23779beee40c7c86e5dd2517d4ad9cb23df71512cfa28d1f6b051b3488b48a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06d2983ad61ec2a2d153d65a0cb5b355305f8b72172e12bff46ebfd3043cf98b
[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" "06d2983ad61ec2a2d153d65a0cb5b355305f8b72172e12bff46ebfd3043cf98b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-ebpf-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[link_section = "license"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 | /// str/String in rust are not null terminated, we have to put one in manually
[INFO] [stdout] 32 | pub const LICENSE: *const c_char = "GPL\0".as_ptr() as *const c_char;
[INFO] [stdout]    | --------------------------------------------------------------------- not a function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[link_section = "license"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 | /// str/String in rust are not null terminated, we have to put one in manually
[INFO] [stdout] 32 | pub const LICENSE: *const c_char = "GPL\0".as_ptr() as *const c_char;
[INFO] [stdout]    | --------------------------------------------------------------------- not a function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "06d2983ad61ec2a2d153d65a0cb5b355305f8b72172e12bff46ebfd3043cf98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d2983ad61ec2a2d153d65a0cb5b355305f8b72172e12bff46ebfd3043cf98b", kill_on_drop: false }`
[INFO] [stdout] 06d2983ad61ec2a2d153d65a0cb5b355305f8b72172e12bff46ebfd3043cf98b