[INFO] fetching crate libbpf-rs 0.5.0...
[INFO] checking libbpf-rs-0.5.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate libbpf-rs 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libbpf-rs 0.5.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate libbpf-rs 0.5.0
[INFO] finished tweaking crates.io crate libbpf-rs 0.5.0
[INFO] tweaked toml for crates.io crate libbpf-rs 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7bd1ab3140f2653da5f1dd951c13c9f47cac22b000742989e24508842951a6b
[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" "f7bd1ab3140f2653da5f1dd951c13c9f47cac22b000742989e24508842951a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7bd1ab3140f2653da5f1dd951c13c9f47cac22b000742989e24508842951a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bd1ab3140f2653da5f1dd951c13c9f47cac22b000742989e24508842951a6b", kill_on_drop: false }`
[INFO] [stdout] f7bd1ab3140f2653da5f1dd951c13c9f47cac22b000742989e24508842951a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de05350003675f2c3a7b3a12a5e53f47bc5dcae5ec72f91698c9314fea1100c5
[INFO] running `Command { std: "docker" "start" "-a" "de05350003675f2c3a7b3a12a5e53f47bc5dcae5ec72f91698c9314fea1100c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libbpf-sys v0.0.9-2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling vsprintf v1.0.3
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking libbpf-rs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.97s
[INFO] running `Command { std: "docker" "inspect" "de05350003675f2c3a7b3a12a5e53f47bc5dcae5ec72f91698c9314fea1100c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de05350003675f2c3a7b3a12a5e53f47bc5dcae5ec72f91698c9314fea1100c5", kill_on_drop: false }`
[INFO] [stdout] de05350003675f2c3a7b3a12a5e53f47bc5dcae5ec72f91698c9314fea1100c5