[INFO] fetching crate rebpf 0.1.5...
[INFO] checking rebpf-0.1.5 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate rebpf 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rebpf 0.1.5 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rebpf 0.1.5
[INFO] finished tweaking crates.io crate rebpf 0.1.5
[INFO] tweaked toml for crates.io crate rebpf 0.1.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded function_name-proc-macro v0.2.0
[INFO] [stderr]   Downloaded function_name v0.2.0
[INFO] [stderr]   Downloaded libbpf-sys v0.0.7-1
[INFO] [stderr]   Downloaded rebpf-macro v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", 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] 6d81dc5dca8fd9f2e2b156b0405ecdc0bf1ddb1036e150c62684da13b53e7aa0
[INFO] running `Command { std: "docker" "start" "-a" "6d81dc5dca8fd9f2e2b156b0405ecdc0bf1ddb1036e150c62684da13b53e7aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d81dc5dca8fd9f2e2b156b0405ecdc0bf1ddb1036e150c62684da13b53e7aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d81dc5dca8fd9f2e2b156b0405ecdc0bf1ddb1036e150c62684da13b53e7aa0", kill_on_drop: false }`
[INFO] [stdout] 6d81dc5dca8fd9f2e2b156b0405ecdc0bf1ddb1036e150c62684da13b53e7aa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580f29e5596a0705e6281c3cf997b022685917d165bce47f48890e34916bf378
[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" "580f29e5596a0705e6281c3cf997b022685917d165bce47f48890e34916bf378", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libbpf-sys v0.0.7-1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling function_name-proc-macro v0.2.0
[INFO] [stderr]    Compiling rebpf-macro v0.1.1
[INFO] [stderr]     Checking function_name v0.2.0
[INFO] [stderr]     Checking rebpf v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.86s
[INFO] running `Command { std: "docker" "inspect" "580f29e5596a0705e6281c3cf997b022685917d165bce47f48890e34916bf378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580f29e5596a0705e6281c3cf997b022685917d165bce47f48890e34916bf378", kill_on_drop: false }`
[INFO] [stdout] 580f29e5596a0705e6281c3cf997b022685917d165bce47f48890e34916bf378