[INFO] cloning repository https://github.com/CertainLach/XDP-Rust-Example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CertainLach/XDP-Rust-Example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCertainLach%2FXDP-Rust-Example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCertainLach%2FXDP-Rust-Example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44b3c26ad2edb327dbcf53605d008e2b1d530574
[INFO] checking CertainLach/XDP-Rust-Example against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCertainLach%2FXDP-Rust-Example" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CertainLach/XDP-Rust-Example on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CertainLach/XDP-Rust-Example
[INFO] finished tweaking git repo https://github.com/CertainLach/XDP-Rust-Example
[INFO] tweaked toml for git repo https://github.com/CertainLach/XDP-Rust-Example written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/CertainLach/XDP-Rust-Example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52b2140d572a97d96df9e4ef2c4d39b397825ed51bef8ff9736e63d189b8156d
[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" "52b2140d572a97d96df9e4ef2c4d39b397825ed51bef8ff9736e63d189b8156d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b2140d572a97d96df9e4ef2c4d39b397825ed51bef8ff9736e63d189b8156d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b2140d572a97d96df9e4ef2c4d39b397825ed51bef8ff9736e63d189b8156d", kill_on_drop: false }`
[INFO] [stdout] 52b2140d572a97d96df9e4ef2c4d39b397825ed51bef8ff9736e63d189b8156d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09bc22e01db2669f0a798f8626b54efbe60719326905ff242ebfea85f11716c1
[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" "09bc22e01db2669f0a798f8626b54efbe60719326905ff242ebfea85f11716c1", kill_on_drop: false }`
[INFO] [stderr]     Checking xdp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `len` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         const len: usize = $line.len() + 2;
[INFO] [stdout]    |               ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stdout] ...
[INFO] [stdout] 44 |     traceln!("Hello from ebpf world! %p %i", ctx, 2 + 3);
[INFO] [stdout]    |     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `len` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |         const len: usize = $line.len() + 2;
[INFO] [stdout]    |               ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stdout] ...
[INFO] [stdout] 44 |     traceln!("Hello from ebpf world! %p %i", ctx, 2 + 3);
[INFO] [stdout]    |     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "09bc22e01db2669f0a798f8626b54efbe60719326905ff242ebfea85f11716c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bc22e01db2669f0a798f8626b54efbe60719326905ff242ebfea85f11716c1", kill_on_drop: false }`
[INFO] [stdout] 09bc22e01db2669f0a798f8626b54efbe60719326905ff242ebfea85f11716c1