[INFO] cloning repository https://github.com/LinkXSystem/ebpf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LinkXSystem/ebpf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinkXSystem%2Febpf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinkXSystem%2Febpf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d989656dda902362f3f13226aa274afc7b59fca1
[INFO] checking LinkXSystem/ebpf/d989656dda902362f3f13226aa274afc7b59fca1 against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinkXSystem%2Febpf" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LinkXSystem/ebpf on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LinkXSystem/ebpf
[INFO] finished tweaking git repo https://github.com/LinkXSystem/ebpf
[INFO] tweaked toml for git repo https://github.com/LinkXSystem/ebpf written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LinkXSystem/ebpf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.11.0
[INFO] [stderr]   Downloaded vsprintf v2.0.0
[INFO] [stderr]   Downloaded toml_edit v0.19.7
[INFO] [stderr]   Downloaded winnow v0.3.6
[INFO] [stderr]   Downloaded libbpf-rs v0.20.0
[INFO] [stderr]   Downloaded libbpf-cargo v0.20.0
[INFO] [stderr]   Downloaded libbpf-sys v1.1.1+v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c77f104fac7b01901f7fbd6b2ac1b55f4abe2fc189c51f24402f36a963cb5fc9
[INFO] running `Command { std: "docker" "start" "-a" "c77f104fac7b01901f7fbd6b2ac1b55f4abe2fc189c51f24402f36a963cb5fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c77f104fac7b01901f7fbd6b2ac1b55f4abe2fc189c51f24402f36a963cb5fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77f104fac7b01901f7fbd6b2ac1b55f4abe2fc189c51f24402f36a963cb5fc9", kill_on_drop: false }`
[INFO] [stdout] c77f104fac7b01901f7fbd6b2ac1b55f4abe2fc189c51f24402f36a963cb5fc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866ee9c15b9b5792ff3f15cc9e9a2d4e9ec9c9659a9cd52ef7942ad2ecca1ee6
[INFO] running `Command { std: "docker" "start" "-a" "866ee9c15b9b5792ff3f15cc9e9a2d4e9ec9c9659a9cd52ef7942ad2ecca1ee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling winnow v0.3.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling scroll v0.11.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "866ee9c15b9b5792ff3f15cc9e9a2d4e9ec9c9659a9cd52ef7942ad2ecca1ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866ee9c15b9b5792ff3f15cc9e9a2d4e9ec9c9659a9cd52ef7942ad2ecca1ee6", kill_on_drop: false }`
[INFO] [stdout] 866ee9c15b9b5792ff3f15cc9e9a2d4e9ec9c9659a9cd52ef7942ad2ecca1ee6