[INFO] fetching crate libbpf-cargo 0.1.2...
[INFO] checking libbpf-cargo-0.1.2 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate libbpf-cargo 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate libbpf-cargo 0.1.2 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libbpf-cargo 0.1.2
[INFO] finished tweaking crates.io crate libbpf-cargo 0.1.2
[INFO] tweaked toml for crates.io crate libbpf-cargo 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate libbpf-cargo 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c953d02836bf0b9495ffb963312abfa79195f30a1383bf9f4c744d42e8b0e5e8
[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" "c953d02836bf0b9495ffb963312abfa79195f30a1383bf9f4c744d42e8b0e5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c953d02836bf0b9495ffb963312abfa79195f30a1383bf9f4c744d42e8b0e5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c953d02836bf0b9495ffb963312abfa79195f30a1383bf9f4c744d42e8b0e5e8", kill_on_drop: false }`
[INFO] [stdout] c953d02836bf0b9495ffb963312abfa79195f30a1383bf9f4c744d42e8b0e5e8
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e98bb24b07488f7549dbb5b296f895ef0820044faffe45e68189df6035ad9242
[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" "e98bb24b07488f7549dbb5b296f895ef0820044faffe45e68189df6035ad9242", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking libbpf-cargo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.90s
[INFO] running `Command { std: "docker" "inspect" "e98bb24b07488f7549dbb5b296f895ef0820044faffe45e68189df6035ad9242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98bb24b07488f7549dbb5b296f895ef0820044faffe45e68189df6035ad9242", kill_on_drop: false }`
[INFO] [stdout] e98bb24b07488f7549dbb5b296f895ef0820044faffe45e68189df6035ad9242